HP A3550A User Manual - A3661-90001
HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure Manual
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- HP A3550A | User Manual - A3661-90001 - Page 1
- HP A3550A | User Manual - A3661-90001 - Page 2
- HP A3550A | User Manual - A3661-90001 - Page 3
- HP A3550A | User Manual - A3661-90001 - Page 4
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WARNING Caution WARNING Caution WARNING Caution iii - HP A3550A | User Manual - A3661-90001 - Page 6
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WARNING There are no user maintenance or service operations or adjustments to be performed on any OLC/OLM model. ix - HP A3550A | User Manual - A3661-90001 - Page 12
DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN 45014 Manufacturer's Name and Address : Hewlett-Packard L.Sindelar, ESSD-R Quality Manager European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH, Department TRE, Hewlett-Packard Str.1, D-71083, - HP A3550A | User Manual - A3661-90001 - Page 13
In this book Format Conventions Convention Used for this font THIS FONT RETURN xi - HP A3550A | User Manual - A3661-90001 - Page 14
xii - HP A3550A | User Manual - A3661-90001 - Page 15
Contents Contents Reference xiii - HP A3550A | User Manual - A3661-90001 - Page 16
Product Description xiv - HP A3550A | User Manual - A3661-90001 - Page 17
Contents Hardware Topologies Installation xv - HP A3550A | User Manual - A3661-90001 - Page 18
Grid Manager xvi - HP A3550A | User Manual - A3661-90001 - Page 19
Contents Host-Based Support Tools xvii - HP A3550A | User Manual - A3661-90001 - Page 20
Troubleshooting xviii - HP A3550A | User Manual - A3661-90001 - Page 21
Contents Removal and Replacement Appendix Glossary Index xix - HP A3550A | User Manual - A3661-90001 - Page 22
xx - HP A3550A | User Manual - A3661-90001 - Page 23
Figures FIGURES xxi - HP A3550A | User Manual - A3661-90001 - Page 24
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Figures xxiii - HP A3550A | User Manual - A3661-90001 - Page 26
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Figures xxv - HP A3550A | User Manual - A3661-90001 - Page 28
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Tables TABLES xxvii - HP A3550A | User Manual - A3661-90001 - Page 30
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Reference Reference Reference - 1 - HP A3550A | User Manual - A3661-90001 - Page 32
Features Reference - 2 - HP A3550A | User Manual - A3661-90001 - Page 33
Models, Options, and Add-on Products Models Available Reference Options Available Storage Capacity Options Option Number of 8.8 GB LP disk modules 341 5 Option Number of 17.8 GB LP disk modules 351 5 Order up to six of either option to fill the array. High Availability Options Option 203 - HP A3550A | User Manual - A3661-90001 - Page 34
A3661B(Z) #0Z6 A3736A 1005-0366 Fibre optic cable 100 m RS-232C Cables Cable product number Part number 24542G 24542M 24540-80011 5183-0807 Description HP RS-232C cable from array to terminal HP RS-232C cable from array to MUX Length 3m 3m Upgrade and Add-on Products Reference - 4 - HP A3550A | User Manual - A3661-90001 - Page 35
Fibre Optic Cable Options Option 0Z4 AFY 0Z5 0Z6 Fibre optic cable 2m 16 m 50 m 100 m MUX Components Product/part number J2094A 5062-3054 Description HP Terminal Multiplexer Card HP ADP II or MDP 8-port MUX Box (DDP II) Reference - 5 - HP A3550A | User Manual - A3661-90001 - Page 36
Host Adapters Fibre Channel Mass Storage I/O Adapter A3591A HSC A3404A HSC A3636A HSC A3740A PCI A5246A PCI For HP 9000 D-Class Enterprise Servers HP 9000 K-Class Enterprise Servers HP 9000 T-Class Enterprise Servers HP 9000 N-Class and V-Class Enterprise Servers HP NetServers Reference - 6 - HP A3550A | User Manual - A3661-90001 - Page 37
Width 46.74 cm (18.4 in.) 48.2 cm (19.0 in.) Depth 76.2 cm (30 in.) Weight Minimum configured weight Chassis with 5 disk modules, 1 SP, and 2 power supply units: 58.7 kg (130.3 lbs) Maximum configured weight Chassis with 30 disk modules, 2 SPs, 3 power supply units, and 1 BBU: 106.6 kg (235 lbs - HP A3550A | User Manual - A3661-90001 - Page 38
AC Power Input Specifications Current draw* 5A VA 1100 W 1100 BTU/hr 3.300 K cal/hr 597 Power Consumption DC Power Specifications Environmental Specifications Operating Environment Reference - 8 - HP A3550A | User Manual - A3661-90001 - Page 39
Heat Output Non-Operating Environment (Shipping and Storage) Battery Disposal Reference - 9 Reference - HP A3550A | User Manual - A3661-90001 - Page 40
Reference - 10 - HP A3550A | User Manual - A3661-90001 - Page 41
Reference Acoustic Levels Sound power 67 dBA Sound pressure (operator's position) 48 dBA Safety Certifications Replacement Power Cord EMC Compliance Reference - 11 - HP A3550A | User Manual - A3661-90001 - Page 42
Replaceable Parts Customer-Replaceable Parts (CRUs) New HP part number Exchange part number Description 5063-5393 5063-5335 5063-5333 5063-5334 A3231-60005 A3662-60001 A3692-60001 A3661-60003 A3666-69021 A5169- - HP A3550A | User Manual - A3661-90001 - Page 43
Product Description 1 Product Description 1-1 - HP A3550A | User Manual - A3661-90001 - Page 44
About the Disk Array Figure 1-1 High Availability Fibre Channel 30-Slot Disk Array 1-2 About the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 45
Product Description About the Disk Array 1-3 - HP A3550A | User Manual - A3661-90001 - Page 46
Note The disk array is supported as a boot device on the HP-UX operating system only in a non-high availability, single SP configuration. Figure 1-2 Disk Array Internal Hardware Architecture 1-4 About the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 47
Disk Array Chassis Product Description A0 B0 C0 D0 E0 A3 B3 C3 D3 E3 A1 B1 C1 D1 E1 A4 B4 C4 D4 E4 A2 B2 C2 D2 E2 A5 B5 C5 D5 E5 Database drives A0, A3, A4, B0, C0 Cache vault drives A0, B0, C0, D0, E0 Figure 1-3 Front View of Disk Array Chassis with Disk Slots Identified About the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 48
About Disk Array Components Caution Fillers must be installed in any unused disk array slots to ensure EMI compliance and maintain proper air flow in the chassis. Do not remove any disk array component without installing a replacement component or a slot filler at the same time. Do not operate the - HP A3550A | User Manual - A3661-90001 - Page 49
Product Description Figure 1-4 Disk Module About Disk Array Components 1-7 - HP A3550A | User Manual - A3661-90001 - Page 50
Note Bound drives must remain in the slots in which they were bound. Problems will occur if disk modules are moved to other slots after they are bound. 1-8 About Disk Array Components - HP A3550A | User Manual - A3661-90001 - Page 51
Storage-Control Processor Product Description Service light (amber) Printed-circuit Memory board modules Ready light (green) Latch Bezel Figure 1-5 SP630/FC Storage-Control Processor About Disk Array Components 1-9 - HP A3550A | User Manual - A3661-90001 - Page 52
1-10 About Disk Array Components - HP A3550A | User Manual - A3661-90001 - Page 53
Fan Pack Product Description Replace light Release button Figure 1-6 Fan Pack About Disk Array Components 1-11 - HP A3550A | User Manual - A3661-90001 - Page 54
Power Supply Units Figure 1-7 Power Supply Unit Ready light (green) Replace light (amber) 1-12 About Disk Array Components - HP A3550A | User Manual - A3661-90001 - Page 55
Product Description Battery Backup Unit About Disk Array Components 1-13 - HP A3550A | User Manual - A3661-90001 - Page 56
Figure 1-8 Battery Backup Unit 1-14 About Disk Array Components - HP A3550A | User Manual - A3661-90001 - Page 57
Fibre Channel Interconnect PCA Product Description Figure 1-9 Fibre Channel Interconnect PCA About Disk Array Components 1-15 - HP A3550A | User Manual - A3661-90001 - Page 58
External Components Fibre Channel I/O Adapter Fibre Channel Arbitrated Loop Hub 1-16 External Components - HP A3550A | User Manual - A3661-90001 - Page 59
Disk Array High Availability Features RAID Technology Note RAID level 0 and individual disk units are not supported because they do not provide data redundancy. Product Description Disk Array High Availability Features 1-17 - HP A3550A | User Manual - A3661-90001 - Page 60
Disk Array Caching 1-18 Disk Array High Availability Features - HP A3550A | User Manual - A3661-90001 - Page 61
Product Description Disk Array High Availability Features 1-19 - HP A3550A | User Manual - A3661-90001 - Page 62
Table 1-1 Caching Recommendations for Disk Configurations Disk configuration Read caching Write caching RAID-5 RAID-3 RAID-1 Recommended Not allowed Recommended Highly recommended Not allowed Acceptable RAID-1/0 Recommended Acceptable Table 1-2 Utilities for Various Cache Operations Cache - HP A3550A | User Manual - A3661-90001 - Page 63
Product Description Disk Array High Availability Features 1-21 - HP A3550A | User Manual - A3661-90001 - Page 64
RAID General Information 1-22 RAID General Information - HP A3550A | User Manual - A3661-90001 - Page 65
Caution Disk modules having different storage capacities or different model or part numbers should not be bound into the same RAID group because performance can be affected. Table 1-3 Disk Striping, Hardware Mirroring, and Parity by RAID Level RAID level Hardware Disk Striping Mirroring Parity - HP A3550A | User Manual - A3661-90001 - Page 66
Mirroring 1-24 RAID General Information - HP A3550A | User Manual - A3661-90001 - Page 67
Parity Product Description RAID-1 (Mirrored Pair) RAID General Information 1-25 - HP A3550A | User Manual - A3661-90001 - Page 68
Figure 1-10 RAID-1 (Mirrored Pair) 1-26 RAID General Information - HP A3550A | User Manual - A3661-90001 - Page 69
Product Description RAID-1/0 Group (Mirrored RAID-0 Group) RAID General Information 1-27 - HP A3550A | User Manual - A3661-90001 - Page 70
Figure 1-11 Distribution of User Data in a RAID-1/0 Group 1-28 RAID General Information - HP A3550A | User Manual - A3661-90001 - Page 71
Product Description RAID-3 Group (Parallel Access Array) Figure 1-12 Distribution of User and Parity Data in a RAID-3 Group RAID General Information 1-29 - HP A3550A | User Manual - A3661-90001 - Page 72
Table 1-4 RAID-3 Memory Recommendations Based on 6 MB per LUN Number of Total SIMM bound RAID-3 memory LUNs on each SP SP memory used by each SP Total RAID-3 Unused SIMM memory memory on each SP on each SP 1 16 MB 4 MB 6 MB 6 MB 2 16 MB 4 MB 12 MB 0 MB 3 32 MB 4 MB 18 MB 10 - HP A3550A | User Manual - A3661-90001 - Page 73
Product Description RAID General Information 1-31 - HP A3550A | User Manual - A3661-90001 - Page 74
RAID-5 Group (Individual Access Array) 1-32 RAID General Information - HP A3550A | User Manual - A3661-90001 - Page 75
Product Description Figure 1-13 Distribution of User and Parity Data in a RAID-5 Group RAID General Information 1-33 - HP A3550A | User Manual - A3661-90001 - Page 76
Global Hot Spares 1 1-34 Global Hot Spares - HP A3550A | User Manual - A3661-90001 - Page 77
Product Description Figure 1-14 Example of a Disk Array with Two RAID-5 Groups and One Global Hot Spare Global Hot Spares 1-35 - HP A3550A | User Manual - A3661-90001 - Page 78
1-36 Global Hot Spares - HP A3550A | User Manual - A3661-90001 - Page 79
Product Description Planning Disk Unit Configurations Data Availability and Disk Space Use Planning Disk Unit Configurations 1-37 - HP A3550A | User Manual - A3661-90001 - Page 80
Figure 1-15 Disk Space Use in the Different Disk Unit Configurations raiduser 1-38 Planning Disk Unit Configurations - HP A3550A | User Manual - A3661-90001 - Page 81
Product Description Guidelines for Logical Disk Unit Configurations RAID-5 Group (Individual Access Array) Planning Disk Unit Configurations 1-39 - HP A3550A | User Manual - A3661-90001 - Page 82
RAID-3 Group (Parallel Access Array) RAID-1/0 Group 1-40 Planning Disk Unit Configurations - HP A3550A | User Manual - A3661-90001 - Page 83
Product Description Figure 1-16 Mirrored Modules in a RAID-1/0 Group RAID-1 (Mirrored Pair) Planning Disk Unit Configurations 1-41 - HP A3550A | User Manual - A3661-90001 - Page 84
Global Hot Spare RAID Performance Table 1-5 Relative Performance, Cost, and Availability Compared to an Individual Disk Physical disk configuration Relative read performance without caching Relative write performance without caching Relative cost per MB of storage Tolerance for single disk - HP A3550A | User Manual - A3661-90001 - Page 85
Product Description Planning Disk Unit Configurations 1-43 - HP A3550A | User Manual - A3661-90001 - Page 86
Two SPs, Load Balancing, and Device File Name Configuration Management Worksheet 1-44 Planning Disk Unit Configurations - HP A3550A | User Manual - A3661-90001 - Page 87
Host Name Host Adapter Paths A0-E0 & A3-E3 A1-E1 & A4-E4 A2-E2 & A5-E5 FC-AL Hub 1 Name FC-AL Hub 2 Name Array Name SP-A SP-B LUN RAID Num # Level Disks Primary Path Device File Alternate Path Device File Volume Group ID Number Physical Extents Size MBytes Logical Volumes Size MBytes - HP A3550A | User Manual - A3661-90001 - Page 88
Completing the Configuration Management Worksheet 1-46 Planning Disk Unit Configurations - HP A3550A | User Manual - A3661-90001 - Page 89
Product Description Figure 1-18 Example of a High Availability Topology with Three Arrays, Two Hubs, and Four Hosts Planning Disk Unit Configurations 1-47 - HP A3550A | User Manual - A3661-90001 - Page 90
Figure 1-19 Example of a High Availability, Distance and Capacity Topology with Three Arrays, Two Pairs of Cascaded Hubs, and Four Hosts 1-48 Planning Disk Unit Configurations - HP A3550A | User Manual - A3661-90001 - Page 91
Product Description Planning Disk Unit Configurations 1-49 - HP A3550A | User Manual - A3661-90001 - Page 92
Note Setting system cache to both read and write cache, with write cache twice the size of read cache, is recommended for RAID-5 configurations because this will provide best overall performance. 1-50 Planning Disk Unit Configurations - HP A3550A | User Manual - A3661-90001 - Page 93
2 Hardware Topologies 2-1 Hardware Topologies - HP A3550A | User Manual - A3661-90001 - Page 94
Topologies 2-2 Topologies - HP A3550A | User Manual - A3661-90001 - Page 95
Basic Topology Basic Topology 2-3 Hardware Topologies - HP A3550A | User Manual - A3661-90001 - Page 96
Figure 2-1 Basic Topology, High Availability Version: Host with Two FC I/O Adapters 2-4 Basic Topology - HP A3550A | User Manual - A3661-90001 - Page 97
Hardware Topologies Figure 2-2 Basic Topology, High Availability Version: Host with Four FC I/O Adapters Basic Topology 2-5 - HP A3550A | User Manual - A3661-90001 - Page 98
Figure 2-3 Basic Topology, Non-High Availability Version: Host with Four FC I/O Adapters 2-6 Basic Topology - HP A3550A | User Manual - A3661-90001 - Page 99
component after failure? What happens and how to recover Disk module Yes Applications continue to run on all supported RAID levels (RAID-1, 1/0, 3, and 5). The system administrator or service provider hotreplaces the failed disk module. SP in single- No SP array (no high availability) SP in - HP A3550A | User Manual - A3661-90001 - Page 100
Single-System Distance Topology 2-8 Single-System Distance Topology - HP A3550A | User Manual - A3661-90001 - Page 101
Hardware Topologies Single-System Distance Topology 2-9 - HP A3550A | User Manual - A3661-90001 - Page 102
Figure 2-4 Single-System Distance Topology 2-10 Single-System Distance Topology - HP A3550A | User Manual - A3661-90001 - Page 103
Yes Applications continue to run on all supported RAID levels (RAID-1, 1/0, 3, and 5). The system administrator or service provider hot-replaces the failed disk module all I/O traffic is routed through the HP FC-AL Hub. The authorized service provider replaces the failed HP FC-AL Hub and the system - HP A3550A | User Manual - A3661-90001 - Page 104
High Availability Topology 2-12 High Availability Topology - HP A3550A | User Manual - A3661-90001 - Page 105
Figure 2-5 High Availability Topology High Availability Topology 2-13 Hardware Topologies - HP A3550A | User Manual - A3661-90001 - Page 106
continue to run on all supported RAID levels (RAID-1, 1/0, 3, and 5). The system administrator or service provider hot-replaces the failed disk automatically and transparently to the alternate path. The authorized service provider hot-replaces the failed HP FC-AL Hub. FC I/O adapter No on path - HP A3550A | User Manual - A3661-90001 - Page 107
High Availability, Distance, and Capacity Topology High Availability, Distance, and Capacity Topology 2-15 Hardware Topologies - HP A3550A | User Manual - A3661-90001 - Page 108
Figure 2-6 High Availability, Distance, and Capacity Topology 2-16 High Availability, Distance, and Capacity Topology - HP A3550A | User Manual - A3661-90001 - Page 109
continue to run on all supported RAID levels (RAID-1, 1/0, 3, and 5). The system administrator or service provider hotreplaces the failed disk automatically and transparently to the alternate path. The authorized service provider hot-replaces the failed HP FC-AL Hub. FC I/O adapter No on path - HP A3550A | User Manual - A3661-90001 - Page 110
Campus Topology 2-18 Campus Topology - HP A3550A | User Manual - A3661-90001 - Page 111
Figure 2-7 Campus Topology Building 1 Building 2 Campus Topology 2-19 Hardware Topologies - HP A3550A | User Manual - A3661-90001 - Page 112
and how to recover Disk module SP Fan pack Power supply unit HP FC-AL Hub FC I/O adapter FC cable Yes Applications continue to run on all supported RAID levels (RAID-1, 1/0, 3, and 5). The system administrator or service provider hot- replaces the failed disk module. No on path to failed - HP A3550A | User Manual - A3661-90001 - Page 113
3 Installation 3-1 Installation - HP A3550A | User Manual - A3661-90001 - Page 114
Overview of Installation 3-2 Overview of Installation - HP A3550A | User Manual - A3661-90001 - Page 115
Check the Operating System Check the Operating System 3-3 Installation - HP A3550A | User Manual - A3661-90001 - Page 116
Check Power Requirements Note The Hewlett-Packard Model 30/FC High Availability Disk Array uses 200 VAC to 240 VAC nominal. 110 VAC is not supported. 3-4 Check Power Requirements - HP A3550A | User Manual - A3661-90001 - Page 117
Table 3-1 PDU Requirements PDU part number PDU product number Description Typical application Racking restrictions E5929-63001 E5929A E5931A E5932A E4456-63001 E4456B E4457-63001 E4457B C2786-63006 E4456A C2786-63007 E4457A - Universal PDU - Ten C-13 and one C-19 outlets - One C-20 inlet for - HP A3550A | User Manual - A3661-90001 - Page 118
Table 3-2 Currents and Durations Arrays in a cabinet In-rush (surge) currents and duration One Two Three Up to 115 amps for 10 to 12 ms Up to 230 amps for 10 to 12 ms Up to 345 amps for 10 to 12 ms Steady state currents 5 amps 10 amps 15 amps Table 3-3 European Circuit Breakers Arrays in a - HP A3550A | User Manual - A3661-90001 - Page 119
Make the Fibre Channel Connection to the Host Install Fibre Channel I/O Adapter Cards into the Host System Make the Fibre Channel Connection to the Host 3-7 Installation - HP A3550A | User Manual - A3661-90001 - Page 120
Set Fibre Channel IDs for the SP(s) in the Disk Array Most-significant digit of FC ID 01 2 3 4 5 6 7 Least-significant digit of FC ID 01 F 2 E 3 D 4 C 5 B 6 A 7 98 SP A's FC ID switches SP B's FC ID switches Figure 3-1 Fibre Channel ID Switches Note Each SP requires a unique - HP A3550A | User Manual - A3661-90001 - Page 121
Table 3-4 Fibre Channel Addresses FC address (Loop ID) FC address (Loop ID) (hexadecimal) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 28 29 2A (decimal) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 - HP A3550A | User Manual - A3661-90001 - Page 122
address switchesSP B FC connectors SP B FC interface PCA SP-A SP-B BBU Figure 3-2 Fibre Channel Connector Locations Connect the Disk Array to a Host System or an HP FC-AL Hub 3-10 Make the Fibre Channel Connection to the Host - HP A3550A | User Manual - A3661-90001 - Page 123
Figure 3-3 Connecting a Fibre Optic Cable to a Fibre Channel Connector Make the Fibre Channel Connection to the Host 3-11 Installation - HP A3550A | User Manual - A3661-90001 - Page 124
Make the RS-232C Connection to the Host System Asynchronous port Figure 3-4 SP Console Port Locations 3-12 Make the RS-232C Connection to the Host System - HP A3550A | User Manual - A3661-90001 - Page 125
Direct-Connect Terminal Configure the Direct-Connect Terminal MENU F8 F5 F2 F1 SYSTEM F1 Make the RS-232C Connection to the Host System 3-13 Installation - HP A3550A | User Manual - A3661-90001 - Page 126
used, the disk array will come up in the factorydefault configuration of RAID-5 LUNs. Terminal Emulation through a MUX on the Host Note MUX support is not available over the Fibre Channel links because of RS-232C distance limitations. Configuration of disk arrays on Fibre Channel links more than - HP A3550A | User Manual - A3661-90001 - Page 127
Identify Available MUX Ports Connect the Disk Array to a MUX Port Configure the MUX Ports on the Host System Note There are port restrictions on certain computers. If using a J2085A and the MDP port of a CPU, ports 0, 1, and 7 are reserved on a K-Series CPU. cd /etc/uucp cp Devices Devices.old - HP A3550A | User Manual - A3661-90001 - Page 128
gridmgr0::101:20:The Gridmgr:/home/gridmgr0:/bin/ksh gridmgr1::101:20:The Gridmgr:/home/gridmgr1:/bin/ksh cd /home mkdir gridmgr0 mkdir gridmgr1 cd gridmgr0 vi .profile Revision: 66.1 User .profile for Grid Manager Emulate vt100 terminal. TERM=vt100 export TERM # Set up the shell environment. - HP A3550A | User Manual - A3661-90001 - Page 129
Copy .profile to the second login directory. cd /home/gridmgr1 cp /home/gridmgr0/.profile .profile vi .profile Make the RS-232C Connection to the Host System 3-17 Installation - HP A3550A | User Manual - A3661-90001 - Page 130
Connect the Power Cord Note The disk array must be installed into the cabinet so that the disk array's fan pack door can be swung open without interfering with any cables, cabinet PDU, plug on the PDU, or other devices installed in the cabinet. The PDU should be installed on the left side of the - HP A3550A | User Manual - A3661-90001 - Page 131
Power Up the Disk Array Back of storage system POWER Front of storage system Note: Fan not shown for clarity Figure 3-6 Powering Up the Disk Array Power Up the Disk Array 3-19 Installation - HP A3550A | User Manual - A3661-90001 - Page 132
Verify Array Connectivity Class I H/W Path Driver S/W State H/W Type Description tty 2 16 mux2 CLAIMED INTERFACE HP J2092A - 16 RS-232 MUX /dev/diag/mux2 /dev/diag/tty2p0 /dev/diag/tty2p1 /dev/diag/tty2p10 /dev/diag/tty2p11 /dev/diag/tty2p12 /dev/diag/ - HP A3550A | User Manual - A3661-90001 - Page 133
.0.1.0 sdisk CLAIMED DEVICE DGC C3400WDUNB /dev/dsk/c5t1d0 /dev/rdsk/c5t1d0 fc 2 8/12 fcgsc CLAIMED INTERFACE HP J2389 Fibre Channel Adapter lan 4 8/12.5 fcgsc_lan CLAIMED INTERFACE HP J2389 Fibre Channel LAN /dev/lan4 bc 2 10 ccio CLAIMED BUS_NEXUS I/O Adapter ext_bus 0 10/0 c720 - HP A3550A | User Manual - A3661-90001 - Page 134
32 processor 1 34 processor 2 36 processor 3 38 memory 0 49 /dev/diag/tty0p8 /dev/tty0p8 /dev/diag/tty0p9 /dev/tty0p9 lanmux0 CLAIMED INTERFACE HP J2146A - 802.3 LAN lan3 CLAIMED INTERFACE /dev/diag/lan0 /dev/ether0 /dev/lan0 c720 CLAIMED INTERFACE GSC add-on Fast/Wide SCSI Interface tgt - HP A3550A | User Manual - A3661-90001 - Page 135
RETURN Power Up the Disk Array 3-23 Installation - HP A3550A | User Manual - A3661-90001 - Page 136
3-24 Power Up the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 137
Grid Manager 4 Grid Manager 4-1 - HP A3550A | User Manual - A3661-90001 - Page 138
About Grid Manager 4-2 About Grid Manager - HP A3550A | User Manual - A3661-90001 - Page 139
Grid Manager Initiating Grid Manager Login: gridmgr0 RETURN CONTROL-L Initiating Grid Manager 4-3 - HP A3550A | User Manual - A3661-90001 - Page 140
Displaying the Grid Manager Main Menu RETURN Figure 4-1 Grid Manager Main Menu 4-4 Displaying the Grid Manager Main Menu - HP A3550A | User Manual - A3661-90001 - Page 141
Grid Manager Grid Manager Menu Overview RETURN Grid Manager Menus Grid Manager Menu Overview 4-5 - HP A3550A | User Manual - A3661-90001 - Page 142
4-6 Grid Manager Menu Overview - HP A3550A | User Manual - A3661-90001 - Page 143
Grid Manager Grid Manager Menu Overview 4-7 - HP A3550A | User Manual - A3661-90001 - Page 144
4-8 Grid Manager Menu Overview - HP A3550A | User Manual - A3661-90001 - Page 145
Grid Manager Presentation Utility Screen Figure 4-2 Typical Presentation Utility Screen SP Status SP Identifier SP Loop ID Presentation Utility Screen 4-9 - HP A3550A | User Manual - A3661-90001 - Page 146
Serial Number Heartbeat CONTROL-L CONTROL-Q Fault Field System Status Microcode Revision Statistics Logging 4-10 Presentation Utility Screen 9.45.04 - HP A3550A | User Manual - A3661-90001 - Page 147
Grid Manager Peer SP Requests Completed Cache States Disk Module Status Presentation Utility Screen 4-11 - HP A3550A | User Manual - A3661-90001 - Page 148
, this module's box shows status ENA. For a global hot spare, the code is RDY H, which means that it is in normal standby mode, ready for service if a module in a RAID group fails. Rebuild is in progress. Unbound; ready to be bound into a logical disk unit blank No disk module or a non - HP A3550A | User Manual - A3661-90001 - Page 149
PROM Revision FAN X -- OK -- Power Supply Unit (VSC x) OK -- BBU OK OK -- Presentation Utility Screen 4-13 Grid Manager - HP A3550A | User Manual - A3661-90001 - Page 150
OK NR -- ADP N, BDP N, UDP N n 4-14 Presentation Utility Screen - HP A3550A | User Manual - A3661-90001 - Page 151
Grid Manager Moving the Grid Cursor RETURN Table 4-2 Cursor Movement Keys Key Function H, h, or left arrow Moves cursor left one box. J, j, or down arrow K, k, or up arrow L, l, or right arrow Moves cursor down one box. Moves cursor up one box. Moves cursor right one box. Space bar Moves - HP A3550A | User Manual - A3661-90001 - Page 152
Disabling and Enabling the SP RETURN Figure 4-3 Disabling and Enabling an SP Caution Never disable both SPs at the same time because data can be lost. 4-16 Disabling and Enabling the SP - HP A3550A | User Manual - A3661-90001 - Page 153
Grid Manager Creating Logical Disk Units (LUNs) Preparing to Create Logical Disk Units Binding Disk Modules as Logical Disk Units Creating Logical Disk Units (LUNs) 4-17 - HP A3550A | User Manual - A3661-90001 - Page 154
0. Global hot spares are assigned a LUN number, but are not recognized as an addressable LUN by the host. Note If binding RAID-3 LUNs, follow the instructions located in the Configuring SP Memory for RAID-3 LUNs section on page 4-28 before binding. 4-18 Creating Logical Disk Units (LUNs) - HP A3550A | User Manual - A3661-90001 - Page 155
Grid Manager RETURN RETURN Figure 4-4 Bind Logical Units Menu Creating Logical Disk Units (LUNs) 4-19 - HP A3550A | User Manual - A3661-90001 - Page 156
RETURN RETURN Figure 4-5 Grid for Binding LUNs RETURN Note To unselect a selected disk, highlight the disk and press RETURN. RETURN 4-20 Creating Logical Disk Units (LUNs) - HP A3550A | User Manual - A3661-90001 - Page 157
Grid Manager Logical Unit Number (LUN) Note The operating system recognizes LUNs 0 through 7 only. Maximum Rebuild Time Sectors per Stripe Element Enable Caches (LUN Cache) Creating Logical Disk Units (LUNs) 4-21 - HP A3550A | User Manual - A3661-90001 - Page 158
Note To change the disk(s) bind options, answer N to the "Confirm bind options (Y/N)?" and then reselect bind options. To reselect different disks to bind, answer Y to the question. Answering Y does not start the binding process. RETURN RETURN 4-22 Creating Logical Disk Units (LUNs) - HP A3550A | User Manual - A3661-90001 - Page 159
Grid Manager Table 4-4 Bind Options for Different Types of Logical Disk Units Logical disk unit type Bind options Recommendations RAID-5 RAID-3 Logical unit number Maximum rebuild time Sectors per stripe element Enable caches* Logical unit number Maximum rebuild time RAID-3 SP memory Default - HP A3550A | User Manual - A3661-90001 - Page 160
Unbinding a Logical Disk Unit (LUN) Caution Unbinding a LUN destroys all information on it. An unbound disk module cannot be used until it is bound into a LUN so the operating system can access it. All data on the disk modules is lost when LUNs are unbound. The data cannot be recovered. To Unbind - HP A3550A | User Manual - A3661-90001 - Page 161
Grid Manager Figure 4-6 Unbinding a LUN RETURN Unbinding a Logical Disk Unit (LUN) 4-25 - HP A3550A | User Manual - A3661-90001 - Page 162
Specifying Storage System Memory Configuration Table 4-5 Memory Configuration Values Total physical memory 64 MB System buffer size Write cache size Read cache size 4 MB 40 MB 20 MB 32 MB 4 MB 18 MB 10 MB 16 MB 4 MB 8 MB 4 MB To Specify Storage System Memory Parameters 8 MB 4 MB 2 MB 2 MB - HP A3550A | User Manual - A3661-90001 - Page 163
Grid Manager Figure 4-7 Change Storage System Memory Configuration Screen (No RAID-3 LUNs Present) Specifying Storage System Memory Configuration 4-27 - HP A3550A | User Manual - A3661-90001 - Page 164
Configuring SP Memory for RAID-3 LUNs To Allocate SP Memory for Use by All RAID-3 Groups 4-28 Configuring SP Memory for RAID-3 LUNs - HP A3550A | User Manual - A3661-90001 - Page 165
Grid Manager Caution If the array reboots, data on the array will be unavailable to the host system until the reboot process completes. Figure 4-8 Change Storage System Memory Configuration Screen (RAID-3 LUNs Present) Configuring SP Memory for RAID-3 LUNs 4-29 - HP A3550A | User Manual - A3661-90001 - Page 166
To Bind RAID-3 LUNs and Assign SP Memory to Each RAID-3 LUN RETURN RETURN RETURN RETURN RETURN 4-30 Configuring SP Memory for RAID-3 LUNs - HP A3550A | User Manual - A3661-90001 - Page 167
Grid Manager Setting Up Disk Array Caching Table 4-6 SIMM Sizes for the Disk Array SIMM sizes 8 MB 4 x 4 MB 16 MB 8 x 4 MB 32 MB 4 x 16 MB 64 MB 8 x 16 MB (4 A3235A SIMMs) (8 A3235A SIMMs) (4 A3234A SIMMs) (8 A3234A SIMMs) Setting Up Disk Array Caching 4-31 - HP A3550A | User Manual - A3661-90001 - Page 168
Disabling and Enabling Disk Array Caching To Disable or Enable Disk Array Caching Figure 4-9 Change Storage System Cache Parameters Screen - Enable 4-32 Setting Up Disk Array Caching - HP A3550A | User Manual - A3661-90001 - Page 169
Grid Manager Setting Up Disk Array Caching 4-33 - HP A3550A | User Manual - A3661-90001 - Page 170
Specifying Cache Page Size and Cache Size 4-34 Setting Up Disk Array Caching - HP A3550A | User Manual - A3661-90001 - Page 171
Grid Manager To Specify Disk Array Caching Parameters Figure 4-10 Change Storage System Cache Parameters Screen - Disable RETURN Setting Up Disk Array Caching 4-35 - HP A3550A | User Manual - A3661-90001 - Page 172
4-36 Setting Up Disk Array Caching - HP A3550A | User Manual - A3661-90001 - Page 173
Host-Based Support Tools 5 Host-Based Support Tools 5-1 - HP A3550A | User Manual - A3661-90001 - Page 174
Overview 5-2 Overview - HP A3550A | User Manual - A3661-90001 - Page 175
Host-Based Support Tools Support Tools Manager (STM) Table 5-1 STM Interfaces Interface name Intended environment xstm mstm X Windows terminals and workstations Menu- Command line, for use in scripts Invoking command /usr/sbin/xstm /usr/sbin/mstm /usr/sbin/cstm Support Tools Manager (STM) 5-3 - HP A3550A | User Manual - A3661-90001 - Page 176
xstm Interface Table 5-2 Available Support Tools Tool type Description Support Tool license required? No Yes Information Provides quick access to the Expert Provides low-level access to the disk array for configuration and troubleshooting. Information Tool 5-4 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 177
Figure 5-1 Information Tool Menu Options Support Tools Manager (STM) 5-5 Host-Based Support Tools - HP A3550A | User Manual - A3661-90001 - Page 178
Figure 5-2 Information Log Screen, Map Section 5-6 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 179
Host-Based Support Tools Table 5-3 xstm Status Fields for the Information Log Status field values Description This SP Peer SP Serial # ID Levl Auto-Trespass SP microcode revision PROM revision level Auto-trespass setting Stat Logging Statistics logging setting Support Tools Manager (STM) 5-7 - HP A3550A | User Manual - A3661-90001 - Page 180
to a RAID 5 LUN disk is bound to a RAID 1/0 LUN Hot A0, B2, etc. disk is bound to a hot spare LUN LUN ownership and LUN number 5-8 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 181
Host-Based Support Tools Figure 5-3 Information Log Screen, Configuration Section Support Tools Manager (STM) 5-9 - HP A3550A | User Manual - A3661-90001 - Page 182
Figure 5-4 Information Log Screen, Disks Section 5-10 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 183
Host-Based Support Tools Figure 5-5 Activity Log Screen Support Tools Manager (STM) 5-11 - HP A3550A | User Manual - A3661-90001 - Page 184
Firmware Update Tool Figure 5-6 Firmware Update Tool Top-Level Menu 5-12 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 185
previously specified using the Select File option on the File menu. Update Instructions Controller Firmware N/A Download, update PROM and restart controllers Download and restart controllers disk modules until another disk module firmware update is performed. Support Tools Manager (STM) 5-13 - HP A3550A | User Manual - A3661-90001 - Page 186
Listing Microcode and Firmware Revisions Figure 5-7 Current Revisions Display Updating Microcode and Firmware 5-14 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 187
Host-Based Support Tools SP Microcode Updates Disk Module Firmware Updates Caution Never reenable a peer SP while a disk module firmware update operation is in progress. Doing so can interrupt the operation, causing permanent disk module and/or data loss. Expert Tool Support Tools Manager (STM - HP A3550A | User Manual - A3661-90001 - Page 188
Figure 5-8 Expert Tool Top-Level Menu 5-16 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 189
file, and Event Codes >= 0x900 further filtering can then be done using Event Codes >= 0xA00 HP-UX commands such as grep.) Clear Unsolicited Log N/A Clears all Unsolicited Event Log information for the SP verification of accessible LUNs. See Figure 5-20 and 5-21. Support Tools Manager (STM) 5-17 - HP A3550A | User Manual - A3661-90001 - Page 190
array's serial number. Specifies system cache states. See Figure 5-23. Specifies system memory configuration values. See Figure 5-24. Controls certain operating characteristics of the array. HP-supported types are 2 and A. Selected Expert Tool Screens 5-18 - HP A3550A | User Manual - A3661-90001 - Page 191
Info Capacity Host-Based Support Tools Figure 5-9 Info Capacity Screen Info Inquiry Figure 5-10 Info Inquiry Screen Support Tools Manager (STM) 5-19 - HP A3550A | User Manual - A3661-90001 - Page 192
I/O Read Disks Figure 5-11 I/O Read Disks Screen 5-20 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 193
Host-Based Support Tools Figure 5-12 I/O Read Disks, Select Blocks Screen Figure 5-13 I/O Read Disks Output Screen Support Tools Manager (STM) 5-21 - HP A3550A | User Manual - A3661-90001 - Page 194
I/O Read LUNs Figure 5-14 I/O Read LUNs Screen 5-22 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 195
Host-Based Support Tools Figure 5-15 I/O Read LUNs, Select Blocks Screen Figure 5-16 I/O Read LUNs Output Screen Support Tools Manager (STM) 5-23 - HP A3550A | User Manual - A3661-90001 - Page 196
Tests Test Unit Ready Figure 5-17 Test Unit Ready Screen 5-24 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 197
Tests Verify Disks Host-Based Support Tools Figure 5-18 Tests Verify Disks Screen Support Tools Manager (STM) 5-25 - HP A3550A | User Manual - A3661-90001 - Page 198
Figure 5-19 Tests Verify Disks, Select Blocks Screen 5-26 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 199
Host-Based Support Tools Tests Verify LUNs Figure 5-20 Tests Verify LUNs Screen Support Tools Manager (STM) 5-27 - HP A3550A | User Manual - A3661-90001 - Page 200
Figure 5-21 Tests Verify LUNs, Select Blocks Screen 5-28 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 201
Host-Based Support Tools Utilities System Configuration Host I/F Settings Figure 5-22 Utilities System Configuration Host I/F Settings Screen Support Tools Manager (STM) 5-29 - HP A3550A | User Manual - A3661-90001 - Page 202
Utilities System Configuration System Cache Figure 5-23 Utilities System Configuration System Cache Screen 5-30 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 203
Host-Based Support Tools Utilities System Configuration System Memory Figure 5-24 Utilities System Configuration System Memory Screen mstm Interface Support Tools Manager (STM) 5-31 - HP A3550A | User Manual - A3661-90001 - Page 204
quick access to the most useful information. Updates SP microcode and disk module firmware. Provides low-level access to the disk array for configuration and troubleshooting. Information Tool 5-32 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 205
Host-Based Support Tools Figure 5-25 mstm Device Map and Menu Support Tools Manager (STM) 5-33 - HP A3550A | User Manual - A3661-90001 - Page 206
]) Power supply units status BBU Cache Systm Battery Backup Unit status Amount of physical memory on selected SP Physical memory reserved for SP's use 5-34 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 207
Host-Based Support Tools Table 5-9 mstm Status Fields for the Information Log Status field values Description Read Write Physical memory Rdy ready Reb rebuilding Ena enabled Bin binding Fmt formatting Eqz equalizing (with a hot spare) Uns unsupported Support Tools Manager (STM) 5-35 - HP A3550A | User Manual - A3661-90001 - Page 208
a RAID-1/0 LUN disk is bound to a hot spare LUN A0, B2, etc. LUN ownership and LUN number Figure 5-27 Information Log Screen, Configuration Section 5-36 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 209
Host-Based Support Tools Figure 5-28 Information Log Screen, Disks Section Support Tools Manager (STM) 5-37 - HP A3550A | User Manual - A3661-90001 - Page 210
Figure 5-29 Activity Log Screen Firmware Update Tool 5-38 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 211
specified name. Print... N/A Exit... N/A List Current N/A Revisions File Selection N/A Instructions N/A Prints a file. Exits the Firmware Update Tool. Lists SP microcode and option on the File menu. Lists basic instructions for Firmware Update Tool use. Support Tools Manager (STM) 5-39 - HP A3550A | User Manual - A3661-90001 - Page 212
to disk modules owned by another SP. The firmware then resides permanently within those disk modules until another disk module firmware update is performed. 5-40 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 213
Host-Based Support Tools Listing Microcode and Firmware Revisions Figure 5-31 Current Revisions Display Updating Microcode and Firmware Support Tools Manager (STM) 5-41 - HP A3550A | User Manual - A3661-90001 - Page 214
and/or data loss. Exclusive access is required to download disk firmware. All file systems should be deactivated while updating disk firmware. Expert Tool 5-42 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 215
Host-Based Support Tools Figure 5-32 Expert Tool Top-Level Menu Table 5-13 Expert Tool Menus and Descriptions Menu Items Option Property File Saves the contents of main STM window to a file. Prints the contents of main STM window. Exits the Expert Tool. Support Tools Manager (STM) 5-43 - HP A3550A | User Manual - A3661-90001 - Page 216
file, and Event Codes >= 0x900 further filtering can then be done using Event Codes >= 0xA00 HP-UX commands such as grep.) Clear Unsolicited Log N/A Info Capacity N/A Clears all Unsolicited Event Log verification of accessible LUNs. See Figure 5-44. 5-44 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 217
Host-Based Support Tools Table 5-13 Expert Tool Menus and Descriptions (Continued) Menu Items Option Property Description values. See Figure 5-48. System Type Controls certain operating characteristics of the array. HP-supported types are 2 and A. Support Tools Manager (STM) 5-45 - HP A3550A | User Manual - A3661-90001 - Page 218
Selected Expert Tool Screens Info Capacity Figure 5-33 Info Capacity Screen Info Inquiry Figure 5-34 Info Inquiry Screen 5-46 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 219
Host-Based Support Tools I/O Read Disks Figure 5-35 I/O Read Disks Screen Support Tools Manager (STM) 5-47 - HP A3550A | User Manual - A3661-90001 - Page 220
Figure 5-36 I/O Read Disks, Select Blocks Screen Figure 5-37 I/O Read Disks Output Screen 5-48 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 221
Host-Based Support Tools I/O Read LUNs Figure 5-38 I/O Read LUNs Screen Support Tools Manager (STM) 5-49 - HP A3550A | User Manual - A3661-90001 - Page 222
Figure 5-39 I/O Read LUNs, Select Blocks Screen Figure 5-40 I/O Read LUNs Output Screen 5-50 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 223
Host-Based Support Tools Tests Test Unit Ready Figure 5-41 Test Unit Ready Screen Support Tools Manager (STM) 5-51 - HP A3550A | User Manual - A3661-90001 - Page 224
Tests Verify Disks Figure 5-42 Tests Verify Disks Screen 5-52 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 225
Host-Based Support Tools Figure 5-43 Tests Verify Disks, Select Blocks Screen Support Tools Manager (STM) 5-53 - HP A3550A | User Manual - A3661-90001 - Page 226
Tests Verify LUNs Figure 5-44 Tests Verify LUNs Screen 5-54 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 227
Host-Based Support Tools Figure 5-45 Tests Verify LUNs, Select Blocks Screen Utilities System Configuration Host I/F Settings Figure 5-46 Utilities System Configuration Host I/F Settings Screen Support Tools Manager (STM) 5-55 - HP A3550A | User Manual - A3661-90001 - Page 228
Utilities System Configuration System Cache Figure 5-47 Utilities System Configuration System Cache Screen 5-56 Support Tools Manager (STM) - HP A3550A | User Manual - A3661-90001 - Page 229
Host-Based Support Tools Utilities System Configuration System Memory Figure 5-48 Utilities System Configuration System Memory Screen Support Tools Manager (STM) 5-57 - HP A3550A | User Manual - A3661-90001 - Page 230
System Administration Manager (SAM) The SAM Interface 5-58 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 231
Host-Based Support Tools Viewing Disk Array Status Figure 5-49 Disk and File Systems Screen, View More Information Selection System Administration Manager (SAM) 5-59 - HP A3550A | User Manual - A3661-90001 - Page 232
Figure 5-50 View Array Status Information Screen - Front Tab 5-60 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 233
Host-Based Support Tools Figure 5-51 View Array Status Information Screen - Back Tab System Administration Manager (SAM) 5-61 - HP A3550A | User Manual - A3661-90001 - Page 234
Binding a LUN Figure 5-52 Disk and File Systems Screen, Bind LUN Selection 5-62 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 235
Host-Based Support Tools Figure 5-53 Bind LUN Screen System Administration Manager (SAM) 5-63 - HP A3550A | User Manual - A3661-90001 - Page 236
Unbinding a LUN Figure 5-54 Disk and File Systems Screen, Unbind LUN Selection 5-64 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 237
Host-Based Support Tools Figure 5-55 Unbind LUN Confirmation Screen Creating a Volume Group with an Alternate Path LUN Ownership and Auto-Trespass Primary and Alternate Paths System Administration Manager (SAM) 5-65 - HP A3550A | User Manual - A3661-90001 - Page 238
Ioscan Output Note The disk array is shipped from the factory with auto-trespass enabled. Under normal operating conditions in HP-UX environments, auto-trespass should remain enabled on disk arrays with two SPs. 5-66 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 239
Host-Based Support Tools Figure 5-56 Ioscan Output with Auto-Trespass Enabled System Administration Manager (SAM) 5-67 - HP A3550A | User Manual - A3661-90001 - Page 240
Figure 5-57 Creating or Extending a Volume Group Using LVM 5-68 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 241
Host-Based Support Tools Enabling / Disabling LUN Cache Figure 5-58 Disk and File Systems Screen, Change Caching Parameters Selection System Administration Manager (SAM) 5-69 - HP A3550A | User Manual - A3661-90001 - Page 242
Figure 5-59 Change Caching Parameters Screen 5-70 System Administration Manager (SAM) - HP A3550A | User Manual - A3661-90001 - Page 243
Host-Based Support Tools Hardware Event Monitoring http://www.docs.hp.com/hpux/systems/ Setting Up the Hardware Event Monitor Hardware Event Monitoring 5-71 - HP A3550A | User Manual - A3661-90001 - Page 244
High Availability Array Monitor (HARAYMON) HARAYMON Configuration # This is the configuration file for pharaymon_exec. # # Set the second parameter in the three lines below to configure the specified # notification mechanism (console messages, system logs, or email, respectively # to "on" or "off". - HP A3550A | User Manual - A3661-90001 - Page 245
Host-Based Support Tools HARAYMON Messages High Availability Array Monitor Reported on: Thu Jan 9 11:24:47 1997 Unit Shutdown: Disk C5 Reported by: Physical Device: 8/8.8.0.255.0.0.2 Product - HP A3550A | User Manual - A3661-90001 - Page 246
or may not be the system that was using the disk array before or during the failure. Note Always check that the FAULT, REPLACE, or SERVICE LED on a suspected failing module is lit before removing it. 5-74 High Availability Array Monitor (HARAYMON) - HP A3550A | User Manual - A3661-90001 - Page 247
Host-Based Support Tools Running HARAYMON High Availability Array Monitor (HARAYMON) 5-75 - HP A3550A | User Manual - A3661-90001 - Page 248
5-76 High Availability Array Monitor (HARAYMON) - HP A3550A | User Manual - A3661-90001 - Page 249
Troubleshooting 6 Troubleshooting 6-1 - HP A3550A | User Manual - A3661-90001 - Page 250
About Replaceable Components Table 6-1 Disk Array FRUs Component BBU Disk module Fan pack Power supply unit SIMM SP Fieldreplaceable (FRU) Yes Yes Yes Yes Yes Yes Customerreplaceable (CRU) Yes Yes Yes Yes Yes Yes Hot-replaceable Yes Yes Yes Yes, if three power supply units installed Yes, if dual - HP A3550A | User Manual - A3661-90001 - Page 251
is OFF as data can be lost. NEVER rearrange faulted disk modules when array power is either ON or OFF as data can be lost. Troubleshooting About Replaceable Components 6-3 - HP A3550A | User Manual - A3661-90001 - Page 252
Disk Array Chassis FC interface PCA SP-A Fan extender PCA On/Off switch Figure 6-1 FRU Locations 6-4 Disk Array Chassis SP-B BBU Power supply Fan pack - HP A3550A | User Manual - A3661-90001 - Page 253
System service LED (amber) A0 B0 C0 D0 E0 A3 B3 C3 D3 E3 A1 B1 C1 D1 E1 A4 B4 C4 D4 E4 A2 B2 C2 D2 E2 A5 B5 C5 D5 E5 Figure 6-2 Front LED Locations Disk module LEDs Ready LED (green) Busy LED (green) Fault LED (amber) Troubleshooting Disk - HP A3550A | User Manual - A3661-90001 - Page 254
Disk Array Rear-View LEDs Back of storage system Fan module SP LEDs Ready LED (green) Service LED (amber) BBU LEDs VSC LEDs Replace LED (amber) Ready LED (green) Replace LED (amber) Figure 6-3 Rear LED Locations 6-6 Disk Array Chassis - HP A3550A | User Manual - A3661-90001 - Page 255
Troubleshooting Table 6-2 Disk Array LEDs LED Array condition when LED is on Array array is off, not providing power to the +24 VDC bus, or the SP has faulted (if SERVICE LED is on). SP SERVICE (amber) SP has just been powered on and is running power-up self-tests or has encountered a - HP A3550A | User Manual - A3661-90001 - Page 256
Power-Up Troubleshooting Figure 6-4 Disk Array Power-Up Screen Output 6-8 Power-Up Troubleshooting - HP A3550A | User Manual - A3661-90001 - Page 257
Troubleshooting Table 6-3 Disk Array Power-Up Tests Test ID Test description AEM Append Error Messages Mode AM79C970 CEM CF Ethernet Controller PC16550 PCIBUS Parallel Interface (PC87303) Tests (DIR) UART (PC16550) Serial Input/Output Tests (DIR) PCI/PMC Generic Power-Up Troubleshooting 6-9 - HP A3550A | User Manual - A3661-90001 - Page 258
VGA Controller (GD543X) Tests (DIR) VME2Chip2 Tests (DIR) Z8536 Counter/Timer Input/Output Tests (DIR) ZE Zero Errors ZP Zero Pass Count 6-10 Power-Up Troubleshooting - HP A3550A | User Manual - A3661-90001 - Page 259
6-4 Power-Up Troubleshooting Condition and/or symptom Solution Power-up tests fail . Power-up should complete and the faulted CRU should be indicated by a CRU FAULT, REPLACE or SERVICE LED. Replace the faulted CRU after power-up tests complete. The BBU may have discharged during power - HP A3550A | User Manual - A3661-90001 - Page 260
Checking the Status of the Fibre Channel Link Class I H/W Path Driver S/W State H/W Type Description lan 3 8/4.5 fcT1_cntl CLAIMED INTERFACE HP Fibre Channel Mass Storage Cntl lan 4 8/8.5 fcT1_cntl CLAIMED INTERFACE HP Fibre Channel Mass Storage Cntl 6-12 Power-Up Troubleshooting - HP A3550A | User Manual - A3661-90001 - Page 261
Troubleshooting Local N_Port_ID is = 0x000001 N_Port Node World Wide Name = 0x1000080009F608B9 N_Port Port World Wide Name = 0x1000080009F608B9 Topology = IN_LOOP = 0 Number of OIB's in use = 0 Number of Active Outbound Exchanges = 0 Number of Active Login Sessions = 2 Power-Up Troubleshooting 6-13 - HP A3550A | User Manual - A3661-90001 - Page 262
Troubleshooting the Disk Array Disk Module Troubleshooting Overview 6-14 Troubleshooting the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 263
Troubleshooting Identifying Logical Disk Units and Disk Module Failures Figure 6-5 Presentation Utility Screen Showing Disk Module Configurations RETURN. Troubleshooting the Disk Array 6-15 - HP A3550A | User Manual - A3661-90001 - Page 264
host. See the Recovered Error Log Reporting section later in this chapter. This sense key is used only when Recovered Error Reporting is enabled. 6-16 Troubleshooting the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 265
command required. 02/04/03 The LUN reporting this sense data is indicating it is inoperable and manual intervention may be necessary. 0x03 - Media Error 03/11/04 Data cannot be returned for a accompanying the CDB does not exist in the array configuration. Troubleshooting the Disk Array 6-17 - HP A3550A | User Manual - A3661-90001 - Page 266
has aborted the command due to Parity Errors exhausting their retry count. 0B/48/00 The SP has received a SCSI Initiator Detected Error message. 6-18 Troubleshooting the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 267
CDBs for a given I_T_L_Q nexus (with no outstanding Contingent Allegiance). Per the SCSI-2 specification, the SP will abort all outstanding CDBs for the I_T_L nexus. Troubleshooting Troubleshooting the Disk Array 6-19 - HP A3550A | User Manual - A3661-90001 - Page 268
Obtaining Additional Disk Failure Information with Grid Manager Global Hot Spares and Rebuilds SP Troubleshooting 6-20 Troubleshooting the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 269
Table 6-6 SP Troubleshooting Condition and/or symptom Solution No LEDs illuminated on SP SP READY LED illuminated but, no response from SP Firmly seat IDs on all devices connected on the FC-AL. Check all Fibre Channel connectors on all devices on the FC-AL. Troubleshooting the Disk Array 6-21 - HP A3550A | User Manual - A3661-90001 - Page 270
SIMM Size (MB) SIMM Pair XU1 XU2 4 4 4 4 16 16 16 16 16 16 SIMM Pair XU3 XU4 - - 4 4 - - 4 4 16 16 Total Memory 8 16 32 40 64 Crossover Address 0x00800000 0x02000000 0x02000000 0x02000000 6-22 Troubleshooting the Disk Array - HP A3550A | User Manual - A3661-90001 - Page 271
Note Only cache sizes of 8, 16, 32, and 64 MB are supported because Hewlett-Packard does not ship any other cache sizes as an option. A cache size of 40 MB will work as long as the SIMM installation guidelines are meet. Troubleshooting Troubleshooting the Disk Array 6-23 - HP A3550A | User Manual - A3661-90001 - Page 272
Configuring Cache RETURN 6-24 Configuring Cache - HP A3550A | User Manual - A3661-90001 - Page 273
Troubleshooting Configuring Cache 6-25 - HP A3550A | User Manual - A3661-90001 - Page 274
Configuring SP memory for RAID-3 To Allocate SP Memory for Use by All RAID-3 Groups 6-26 Configuring SP memory for RAID-3 - HP A3550A | User Manual - A3661-90001 - Page 275
Troubleshooting Figure 6-7 Change Storage System Memory Configuration Screen Configuring SP memory for RAID-3 6-27 - HP A3550A | User Manual - A3661-90001 - Page 276
To Bind RAID-3 LUNs and Assign SP Memory to Each RAID-3 LUN ENTER ENTER ENTER ENTER ENTER Caution Unbinding a LUN causes all data on all the disk modules in the LUN to be lost. 6-28 Configuring SP memory for RAID-3 - HP A3550A | User Manual - A3661-90001 - Page 277
Troubleshooting Viewing Maintenance Information Display Unsolicited Event Log Viewing Maintenance Information 6-29 - HP A3550A | User Manual - A3661-90001 - Page 278
Figure 6-8 Grid Manager Unsolicited Event Log Display Faulted CRUs 6-30 Viewing Maintenance Information - HP A3550A | User Manual - A3661-90001 - Page 279
Troubleshooting Figure 6-9 Faulted CRU Display Screen Display Verify Results Viewing Maintenance Information 6-31 - HP A3550A | User Manual - A3661-90001 - Page 280
Figure 6-10 First Report Page for a Unit Verify Field State Sniffing % Complete Description Indicates that a Verify or Sniff is currently running. Indicates whether this feature is Enabled or Disabled. Indicates the completion percentage of the operation (0 to 100). 6-32 Viewing Maintenance - HP A3550A | User Manual - A3661-90001 - Page 281
the SP was able to fix the detected problem, while an uncorrectable error indicates it was unable service representative for further information about the following error classifications: Checksum, Write Stamp, Time Stamp, Shed Stamp, Coherency. Display LUN Configuration Summary Troubleshooting - HP A3550A | User Manual - A3661-90001 - Page 282
Figure 6-11 LUN Configuration Screen Key N or n P or p R or r Action Moves to the next screen (there are additional screens if there are more LUNs than will fit onto one screen). Moves to the previous screen. Refreshes the screen contents to reflect the current state of the disk array. 6-34 - HP A3550A | User Manual - A3661-90001 - Page 283
Unsolicited Event Log Troubleshooting SP A SP ALPA ID 0 Display Unsolicited Event Log Event Date CRU Event (message) Extended Status 1. 01/26/97 2. 01/26/97 3. 01/26/97 4. 01/ - HP A3550A | User Manual - A3661-90001 - Page 284
Controlling the Display of Event Records Key N or n P or p F or f L or l A or a C or c D or d G or g Action Scrolls to the next screen of entries. Scrolls to the previous screen of entries. Displays the first screen of entries. Displays the last screen of entries. Defines a filter to select event - HP A3550A | User Manual - A3661-90001 - Page 285
Troubleshooting To Add a Filter Figure 6-13 Apply Filters Menu RETURN Unsolicited Event Log 6-37 - HP A3550A | User Manual - A3661-90001 - Page 286
Note Filter(s) are active until deleted or until the disk array is powered down. If the Unsolicited Event Log listing seems short, one or more filters may be active. Try deleting all filters, as explained next. To Delete All Filters of One Type RETURN SP Event Codes 6-38 Unsolicited Event Log - HP A3550A | User Manual - A3661-90001 - Page 287
Troubleshooting Table 6-8 Informational Codes Event code Event code name sure the disk module is a valid model. If it is valid, consult your HewlettPackard support representative for recovery service. Notes PROM revision, the extended status identifies the SP's ID. This message is logged once - HP A3550A | User Manual - A3661-90001 - Page 288
Table 6-8 Informational Codes (Continued) Event code Event code name Description 0x621 0x622 0x623 Background Verify Started Background Verify Complete Fan Pack Disable/Door Open A background check on the correctness of parity information has begun on the physical unit of which this drive is a - HP A3550A | User Manual - A3661-90001 - Page 289
Troubleshooting Table 6-8 Informational Codes (Continued) Event code Event code name Description 0x645 CRU Bound 0x646 CRU Unbound 0x647 Fuse Bad Extended status identifies unit number. This - HP A3550A | User Manual - A3661-90001 - Page 290
End Fibre Link Unsolicited Peer SP timed out This event code is intended for use by development personnel in the factory. Contact your Hewlett-Packard support representative if this event code occurs. The host SP has timed out waiting for the peer SP to reply to a request. 0x670 0x680 0x681 0x682 - HP A3550A | User Manual - A3661-90001 - Page 291
Troubleshooting Table 6-8 Informational Codes (Continued) Event code Event code name Description 0x689 Sector Reconstructed On a read from a RAID-1 mirrored pair, a corrupted sector was reconstructed. 0x68A 0x68B - HP A3550A | User Manual - A3661-90001 - Page 292
Table 6-8 Informational Codes (Continued) Event code Event code name Description 0x6E2 Front End Fibre Loop Error The SP's fibre loop failed to initialize. 0x6E3 0x6E4 0x6E5 Fibre Channel Initiator Gone Fibre Channel Loop Down Fibre Channel Loop Up The SP tried to communicate with an - HP A3550A | User Manual - A3661-90001 - Page 293
firmware to invalidate a sector on the unit. The firmware did this to ensure that incorrect data is not returned to the host in the future. Troubleshooting Unsolicited Event Log 6-45 - HP A3550A | User Manual - A3661-90001 - Page 294
the SP. This message is logged after the restarted session completes its initialization. Some hardware condition has caused the SP to disable the cache. The problem might be: • BBU is not ready (not present and fully charged) • One or more vault disks is missing or being rebuilt • Fan fault occurred - HP A3550A | User Manual - A3661-90001 - Page 295
Troubleshooting Table 6-10 Error Codes (Continued) Event code Event code name 0x910 Cache Recovery Failed 0x920 0x921 Hard Media Error Host Vault Load Failed 0x922 0x923 - HP A3550A | User Manual - A3661-90001 - Page 296
not be corrected. All disk modules in the chassis will be shut down. The problem must be corrected before powering up again. The disk drive has failed and can no Unsupported This type of disk module is not supported by the SP microcode. The disk module cannot be bound or used for host I/Os - HP A3550A | User Manual - A3661-90001 - Page 297
Troubleshooting Decoding Extended Status Codes Unsolicited Event Log 6-49 - HP A3550A | User Manual - A3661-90001 - Page 298
returned "Hardware Error" Sense Key. Indicates an internal electro-mechanical problem on the disk module. Indicates the drive format has changed from sector standard for the array. The drive is reporting a type not supported. This error code should never be seen. 0x0D 0x0E Illegal request Device - HP A3550A | User Manual - A3661-90001 - Page 299
Troubleshooting Table 6-12 Extended Status Codes (Continued) Extended Extended status sector(s) of data. 0x19 0x1A 0x1B No sense data Device too small Bus shut down Drive had a problem with a request sense operation. A disk with insufficient capacity has been introduced in a bound LUN. Indicates - HP A3550A | User Manual - A3661-90001 - Page 300
Table 6-12 Extended Status Codes (Continued) Extended Extended status code status code name Description 0x28 0x29 0x2A 0x2B 0x2C Spindle synchronization change Not ready/start in progress Transfer count not zero Bad interrupt Too much data This error code should never be seen. This error code - HP A3550A | User Manual - A3661-90001 - Page 301
Troubleshooting Table 6-12 Extended Status Codes (Continued) Extended Extended status CRU Unsupported CRU Format Failed Drive is too small to fit in the assigned LUN. Drive is not supported and has been shutdown. The format of the drive aborted for some reason. Further information may be provided - HP A3550A | User Manual - A3661-90001 - Page 302
Microcode Panics 6-54 Unsolicited Event Log - HP A3550A | User Manual - A3661-90001 - Page 303
Unsolicited log management Grid Manager interface RAID services management 0x0030nnnn 0x0040nnnn 0x0050nnnn Memory management Disk communications Nonvolatile RAM management 0x0110nnnn Fibre Channel front end Troubleshooting Table 6-14 Most Common Microcode Panic Codes Value Description - HP A3550A | User Manual - A3661-90001 - Page 304
to clear the problem. Obtain the Unsolicited Event Log from both SPs and notify your HewlettPackard service representative. Stack microcode revision 7.63. Instruction RAM parity error. The hardware detected an unrecovered error in the instruction RAM area. Note that the instruction RAM is not - HP A3550A | User Manual - A3661-90001 - Page 305
Troubleshooting Table 6-14 Most Common Microcode Panic Codes (Continued) Value Description 0x00A000B0, 0x00240010, and 0x00220050 occurred in SCSI environments that had severe SCSI protocol problems due to malfunctioning initiators or noisy conditions. Fixed in microcode revisions 8.27, - HP A3550A | User Manual - A3661-90001 - Page 306
and the memory dump disk and give them to your HewlettPackard service representative. Miscellaneous panic. The microcode might panic with a 0x00220060 made more robust in dealing with the shutdown and release of LUNs in support of unit trespass. - The microcode has been coded to eliminate internal - HP A3550A | User Manual - A3661-90001 - Page 307
when the host issued an I/O command to that LUN. Microcode revision 7.53 fixed this problem by allowing only valid stripe sizes when using the SCSI bind command. Fixed in microcode error during a transfer from data RAM. (Reference the 0x00000012 code.) Troubleshooting Unsolicited Event Log 6-59 - HP A3550A | User Manual - A3661-90001 - Page 308
0x00501003 or 0x00503003 code. This was being caused by a known problem with the Symbios 53810 SCSI processor. The microcode has been modified to and the memory dump, and give them to your Hewlett-Packard service representative for failure analysis. 0x0080007E Incorrect state reported by peer. The - HP A3550A | User Manual - A3661-90001 - Page 309
used for the host SCSI interface in the array. revision A of this IC resolves this problem. Microcode revision 8.17 has been modified to not allow target mode addressing to be enabled unless ). If this exists, the target disk 7 will have to be unbound. Troubleshooting Unsolicited Event Log 6-61 - HP A3550A | User Manual - A3661-90001 - Page 310
issue. The microcode would occasionally panic with a 0x00E00000/0x00E0000C code during normal operating conditions. The panic was a result of communication problems between the two SPs in a mirrored caching array. Fixed in microcode revision 8.55. Executing I/O exclusively to and from cache for - HP A3550A | User Manual - A3661-90001 - Page 311
Troubleshooting Troubleshooting with Grid Manager Checking Disk Array Status with the Presentation Utility RETURN. Figure 6-14 Typical Presentation Utility Screen Troubleshooting with Grid Manager 6-63 - HP A3550A | User Manual - A3661-90001 - Page 312
Bound but Not Assigned Status after Replacing an SP RETURN Figure 6-15 Disk State Looking from Owning SP 6-64 Troubleshooting with Grid Manager - HP A3550A | User Manual - A3661-90001 - Page 313
Troubleshooting Figure 6-16 Disk State Looking from Non-Owning SP RETURN Troubleshooting with Grid Manager 6-65 - HP A3550A | User Manual - A3661-90001 - Page 314
6-66 Troubleshooting with Grid Manager - HP A3550A | User Manual - A3661-90001 - Page 315
Troubleshooting Troubleshooting with SAM View Disk Array Status Troubleshooting with SAM 6-67 - HP A3550A | User Manual - A3661-90001 - Page 316
Figure 6-17 Disk and File Systems Screen, View More Information Selection 6-68 Troubleshooting with SAM - HP A3550A | User Manual - A3661-90001 - Page 317
Troubleshooting Figure 6-18 View Array Status Information Screen - Front Tab Troubleshooting with SAM 6-69 - HP A3550A | User Manual - A3661-90001 - Page 318
Figure 6-19. View Array Status Information Screen - Back Tab Unbinding a LUN 6-70 Troubleshooting with SAM - HP A3550A | User Manual - A3661-90001 - Page 319
Troubleshooting Figure 6-20 Disk and File Systems Screen, Unbind LUN Selection Figure 6-21 Unbind LUN Confirmation Screen Troubleshooting with SAM 6-71 - HP A3550A | User Manual - A3661-90001 - Page 320
Caching Write Cache Read Cache Changing a LUN's Cache Parameters 6-72 Troubleshooting with SAM - HP A3550A | User Manual - A3661-90001 - Page 321
Troubleshooting Figure 6-22 Disk and File Systems Screen, Change Caching Parameters Selection Figure 6-23 Change Caching Parameters Screen Troubleshooting with SAM 6-73 - HP A3550A | User Manual - A3661-90001 - Page 322
Binding a LUN Figure 6-24 Disk and File Systems Screen, Bind LUN Selection 6-74 Troubleshooting with SAM - HP A3550A | User Manual - A3661-90001 - Page 323
Troubleshooting Figure 6-25 Bind LUN Screen Troubleshooting with SAM 6-75 - HP A3550A | User Manual - A3661-90001 - Page 324
6-76 Troubleshooting with SAM - HP A3550A | User Manual - A3661-90001 - Page 325
7 Removal and Replacement 7-1 Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 326
Parts Breakdown Table 7-1 Customer-Replaceable Parts New HP part number Exchange part number 5063-5393 5063-5335 5063-5333 A3666-69021 A5169-69021 A5132-69021 5063-5334 A5133-69021 A3231-60005 A3662-60001 - HP A3550A | User Manual - A3661-90001 - Page 327
Disk Module Removal and Replacement Caution NEVER remove or replace faulted disk modules when array power is OFF as data can be lost. NEVER rearrange faulted disk modules when array power is either ON or OFF as data can be lost. Handle disk modules very carefully as they can be damaged easily by - HP A3550A | User Manual - A3661-90001 - Page 328
Note With the redundant RAID levels of RAID-5, RAID-3, RAID-1/0, and RAID-1, only one disk module should replaced at a time, and each rebuild should complete before another disk module is replaced. When using RAID-5, RAID-3, RAID-1/0, or RAID-1, a rebuild begins as soon as a disk module is replaced - HP A3550A | User Manual - A3661-90001 - Page 329
Rail slot Disk module's rail Figure 7-2 Installing a Disk Module Rail slot Disk module's rail ESD wrist strap Removal and Replacement Disk Module Removal and Replacement 7-5 - HP A3550A | User Manual - A3661-90001 - Page 330
Fan Pack Removal and Replacement Caution A failed fan pack can be replaced with the disk array powered on. However, the process must be completed within two minutes to avoid a thermal shutdown of the disk array. Caution Do not lift a fan pack by its handle. 7-6 Fan Pack Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 331
Replace light (amber) Lock/unlock button Figure 7-3 Fan Pack ac power cord release latches Back of storage system Holding module at slight angle, slide it away from chassis. Be careful not to pull power cord out of socket. ac power cord Figure 7-4 Removing a Fan Pack Removal and Replacement Fan - HP A3550A | User Manual - A3661-90001 - Page 332
Holding module at slight angle, slide it onto hinge pins. ac power cord Figure 7-5 Installing a Fan Pack 7-8 Fan Pack Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 333
SP Removal and Replacement Caution Strap the ESD wrist strap to your wrist and ground it to the disk array chassis (or suitable ground). Place the SP on an ESD conductive sheet when it is removed from its carton. Use ESD kit P/N 5182-4119 (supplied with each array). Removal and Replacement SP - HP A3550A | User Manual - A3661-90001 - Page 334
7-6 Removing an SP C. Place SP components side up on static-free work surface. Board guide A. Engage edges of SP in board guides. Slide SP into chassis until ejectors engage with chassis edge. Board guide Components are located on the underside of the board. B. Press both ejectors at same time - HP A3550A | User Manual - A3661-90001 - Page 335
Power Supply Unit Removal and Replacement Removal and Replacement Note The disk array will not operate with only one power supply unit. To allow hotreplacement, three power supply units must be installed. A power supply unit must be removed and replaced, and the fan pack closed again, within two - HP A3550A | User Manual - A3661-90001 - Page 336
Fan pack removed for clarity. It is not necessary to remove the fan pack to remove the power supplies. Figure 7-8 Removing or Installing a Power Supply Unit 7-12 Power Supply Unit Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 337
BBU Removal and Replacement Caution Use caution when removing the BBU. It is very heavy. BBU Removal and Replacement 7-13 Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 338
Note The BBU must be removed and installed, and the fan pack closed again, within two minutes. If the removal and replacement takes longer than two minutes, the disk array will do a thermal shutdown. Back of storage system SP A BBU SP B BBU Figure 7-9 Location of the BBU 7-14 BBU Removal and - HP A3550A | User Manual - A3661-90001 - Page 339
Removal and Replacement Figure 7-10 Removing or Installing a BBU BBU Removal and Replacement 7-15 - HP A3550A | User Manual - A3661-90001 - Page 340
Battery Disposal 7-16 BBU Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 341
SIMM Removal and Replacement Removal and Replacement Note SIMMs must be equal in capacity and installed in pairs. Caution Strap the ESD wrist strap to your wrist and ground it to the disk array chassis (or suitable ground). Place the SIMMs on an ESD conductive sheet when they are removed from - HP A3550A | User Manual - A3661-90001 - Page 342
SIMM sizes 8 MB - 2 x 4 MB per SP (2 A3235A SIMMs per SP) 16 MB - 4 x 4 MB per SP (4 A3235A SIMMs per SP) 32 MB - 2 x 16 MB per SP (2 A3234A SIMMs per SP) 64 MB - 4 x 16 MB per SP (4 A3234A SIMMs per SP) 7-18 SIMM Removal and Replacement - HP A3550A | User Manual - A3661-90001 - Page 343
Edge of SP board 2ND PAIR connectors Memory modules in 1ST PAIR connectors Figure 7-11 SIMM Locations Notch Pin 1 Locking tabs A. Push out on the locking tabs with your thumbs and push the module up until it is released from the tabs. B. Lift the module out of the connector and place it in its own - HP A3550A | User Manual - A3661-90001 - Page 344
Connector Memory module A. Position memory module above connector so its notch is over connector end nearest to the SP board's edge connector. B. Insert module in connector so it angles slightly toward the center of SP board. C. Gently push top of module down until it snaps into each locking tab. - HP A3550A | User Manual - A3661-90001 - Page 345
Appendix Disk Array Installation/Troubleshooting Checklist Check for Physical Damage: Check Site Power: Appendix Check Site Environment: Appendix - 1 - HP A3550A | User Manual - A3661-90001 - Page 346
Check Fibre Optic and RS-232C Cables: Check Disk Array (Pre-Power-Up): Check Disk Array Functionality and Configuration: Appendix - 2 - HP A3550A | User Manual - A3661-90001 - Page 347
Required Information for Escalated Sites: Appendix - 3 Appendix - HP A3550A | User Manual - A3661-90001 - Page 348
Appendix - 4 - HP A3550A | User Manual - A3661-90001 - Page 349
Glossary Glossary Glossary - 1 - HP A3550A | User Manual - A3661-90001 - Page 350
Glossary - 2 - HP A3550A | User Manual - A3661-90001 - Page 351
Glossary Glossary - 3 - HP A3550A | User Manual - A3661-90001 - Page 352
Glossary - 4 - HP A3550A | User Manual - A3661-90001 - Page 353
Glossary Glossary - 5 - HP A3550A | User Manual - A3661-90001 - Page 354
Glossary - 6 - HP A3550A | User Manual - A3661-90001 - Page 355
Glossary Glossary - 7 - HP A3550A | User Manual - A3661-90001 - Page 356
Glossary - 8 - HP A3550A | User Manual - A3661-90001 - Page 357
Glossary Glossary - 9 - HP A3550A | User Manual - A3661-90001 - Page 358
Glossary - 10 - HP A3550A | User Manual - A3661-90001 - Page 359
Index Index A 3-4 R-8 R-11 3-8 4-14 1-10 5-65 1-50 3-12 3-17 5-18 5-45 R-2 1-10 1-20 5-18 5-45 B 2-2 2-3 2-7 2-7 1-3 1-5 1-6 1-13 1-14 R-9 7-16 1-19 4-13 1-12 7-13 6-2 5-18 5-45 R-8 4-14 6-48 6-64 1-22 1-35 4-17 4-23 5-62 6-74 5-18 5-45 4-18 1-23 1-27 1-5 C 2-8 R-3 3-10 2-13 1-3 R-4 1-3 1-15 3- - HP A3550A | User Manual - A3661-90001 - Page 360
R-8 3-13 3-19 3-23 3-15 R-12 4-28 4-30 6-26 6-28 4-21 5-45 3-12 1-6 3-15 R-7 3-10 5-59 3-7 3-11 6-14 6-22 3-10 R-8 3-18 R-7 3-12 1-22 1-24 1-25 1-40 3-13 1-5 1-6 6-2 5-17 5-19 5-44 5-46 6-20 R-8 6-49 5-15 5-42 5-3 1-34 6-15 D 5-17 5-19 5-44 5-46 1-8 1-10 1-36 6-21 - HP A3550A | User Manual - A3661-90001 - Page 361
Index R-8 1-12 7-6 6-2 R-8 6-12 3-8 6-12 3-10 3-10 3-3 1-16 3-7 1-15 3-8 3-8 3-8 2-2 1-15 3-8 3-10 1-3 3-10 R-3 5-38 5-42 1-8 6-37 5-12 5-15 6-2 G 1-3 1-22 1-34 1-35 1-36 1-42 6-15 1-39 4-21 6-20 1-8 4-2 3-14 1-22 1-35 4-17 4-23 4-19 1-20 4-16 4-32 4-4 4-3 4-4 4-26 4-5 4-9 4-15 3-22 6-63 6- - HP A3550A | User Manual - A3661-90001 - Page 362
3-10 I 2-18 1-16 2-15 2-15 R-9 1-3 1-16 2-2 2-12 2-8 1-32 1-39 1-17 5-4 5-11 5-32 5-38 6-39 3-7 3-14 3-3 3-2 3-4 3-19 3-23 3-20 3-12 3-17 5-66 3-20 3-21 6-12 3-7 3-11 A-1 K M L 6-7 1-13 4-14 1-3 3-19 6-5 6-7 6-6 1-8 3-19 1-11 4-13 1-13 4-13 1-10 6-20 1-44 1-10 1-17 1-22 1-39 1-48 1-50 3-8 - HP A3550A | User Manual - A3661-90001 - Page 363
Index 1-24 R-3 R-3 5-3 5-31 3-15 3-20 3-14 R-5 3-15 3-15 3-12 3-15 3-14 3-20 N R-9 O R-8 3-3 R-2 R-9 R-3 R-9 3-2 P 1-29 1-40 1-17 1-22 1-25 1-29 1-32 1-37 1-43 6-22 1-25 1-25 3-13 R-5 R-4 R-4 4-31 7-18 R-4 4-31 7-18 R-3 R-3 R-4 R-5 R-4 2-8 R-4 R-4 R-5 3-4 3-18 3-4 3-5 6-16 5-75 1-22 3-6 3-18 R-11 - HP A3550A | User Manual - A3661-90001 - Page 364
1-24 1-44 1-22 1-29 1-40 4-30 6-28 1-37 1-39 1-9 4-28 4-30 6-26 6-28 1-40 1-25 1-23 1-22 1-32 1-39 1-37 1-32 1-39 1-39 1-25 1-43 6-72 5-17 5-20 5-44 5-47 5-17 5-21 5-23 5-44 5-48 5-50 3-20 1-34 6-20 1-34 1-34 5-18 5-45 1-13 1-14 R-2 7-13 7-3 7-6 7-11 7-17 7-9 6-2 7-13 7-3 7-6 7-11 7-17 7-9 R-4 3-13 - HP A3550A | User Manual - A3661-90001 - Page 365
Index R-5 6-2 7-9 6-20 R-8 R-7 R-11 R-7 R-9 R-9 R-9 R-7 R-8 R-7 R-8 T R-7 R-8 1-8 1-35 3-14 4-2 5-2 5-3 5-57 6-21 5-18 5-45 5-18 5-45 5-18 5-45 1-22 5-18 5-45 1-20 5-3 5-45 5-18 5-18 5-45 5-45 5-45 5-18 5-45 5-15 5-29 5-42 5-57 5-12 5-15 5-38 5-42 5-45 5-4 5-11 5- - HP A3550A | User Manual - A3661-90001 - Page 366
4-24 5-64 6-70 5-18 5-45 6-35 6-38 6-37 5-17 5-44 6-20 6-36 6-38 6-46 6-49 6-48 6-36 6-38 6-54 6-55 4-13 6-15 6-38 6-38 6-44 5-17 5-44 5-15 5-42 5-15 5-42 1-13 3-4 V 5-17 5-25 5-44 5-52 5-17 5-26 5-28 5-44 5-53 5-55 3-22 R-8 5-65 W R-7 R-8 R-7 R-8 R-7 R-8 6-72 X 5-3 Index - 8 - HP A3550A | User Manual - A3661-90001 - Page 367
The manual is well organized. The information is technically accurate. Information is easy to find. Step-by-step procedures are easy to perform. There are enough examples - HP A3550A | User Manual - A3661-90001 - Page 368
Fold Here Tape Please Do Not Staple Tape - HP A3550A | User Manual - A3661-90001 - Page 369
- HP A3550A | User Manual - A3661-90001 - Page 370
*A3661-96031* - HP A3550A | User Manual - A3661-90001 - Page 371
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