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HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 139

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Topology and Array Planning Failing Continue component after failure What happens and how to recover Disk module Controller module Yes Applications continue to run on all supported RAID levels (RAID-1, 0/1, and 5). The system administrator or service provider hot-swaps the failed disk module. No on path to Ownership of the failed controller module's LUNs can transfer failed controller automatically to the remaining operational controller module if primary module; and alternate paths have been configured in LVM. If so, LVM switches Yes on alternate automatically and transparently to the alternate path. The system path through administrator or service provider hot-swaps the failed controller second module. controller module Fan module Yes Power supply Yes modules Applications continue to run. The system administrator or service provider hot-swaps the fan module. Applications continue to run when one power supply modules fails. The system administrator or service provider hot-swaps the failed power supply module. HP Fibre Channel-AL Hub No on path to I/O operations fail along the path to the failed HP Fibre Channel-AL failed hub; Hub. I/O operations can transfer automatically to the other pair of Yes on alternate cascaded path to other HP Fibre Channel-AL Hubs if primary and alternate paths have been pair of hubs configured in LVM. If so, LVM switches automatically and transparently to the alternate path. The authorized service provider hot-swaps the failed HP Fibre Channel-AL Hub. Fibre Channel I/O adapter No on path to failed adapter; Yes if array has dual controller modules and alternate paths have been configured I/O operations fail along the path through the failed adapter. If the host has two Fibre Channel adapters connected to a dual-controller module disk array, the array can be accessed through the path to the operational adapter and controller module if primary and alternate paths have been configured in LVM. If so, LVM switches automatically and transparently to the alternate path. The authorized service provider replaces the failed adapter and the system administrator restarts the operating system and applications. 139

Section	Page
1 Product Description	23
Product Description	24
Operating System Support	26
Management Tools	26
Features	26
High Availability	27
Scalable Storage Capacity	27
LED Status Monitoring	28
EMS Hardware Event Monitoring (HP-UX Only)	28
Disk Enclosure Components	29
Operation Features	31
Disk Enclosure SC10 Modules	33
Array Controller Enclosure Components	40
Front Cover	43
Controller Modules	44
Controller Fan Modules	46
Power Supply Modules	48
Power Supply Fan Module	49
Battery Backup Unit (BBU)	51
Disk Array High Availability Features	60
RAID Technology	60
Disk Mirroring	60
Data Parity	61
Data Striping	62
RAID Levels	63
RAID Level Comparisons	70
Global Hot Spare Disks	74
Primary and Alternate I/O Paths	77
Capacity Management Features	78
LUNs	78
Disk Groups	78
Disk Array Caching	79
Dynamic Capacity Expansion	80
2 Topology and Array Planning	81
Overview	82
Array Design Considerations	83
Array Hardware Configuration	83
RAID, LUNs, and Global Hot Spares	84
High Availability	84
Performance	85
Storage Capacity	87
Expanding Storage Capacity	87
Recommended Disk Array Configurations	89
Configuration Considerations	89
One Disk Enclosure Configuration	90
Two Disk Enclosure Configurations	92
Three Disk Enclosure Configurations	96
Four Disk Enclosure Configurations	100
Five Disk Enclosure Configurations	104
Six Disk Enclosure Configurations	108
Total Disk Array Capacity	112
For high-availability, one disk per SCSI channel is used as a global hot spare.	113
Topologies for HP-UX	114
Basic Topology	115
Single-System Distance Topology	122
High Availability Topology	127
High Availability, Distance, and Capacity Topology	132
Campus Topology	137
Performance Topology with Switches	141
Topologies for Windows NT and Windows 2000	143
Non-High Availability Topologies	145
High Availability Topologies	149
3 Installation	155
Overview	156
Host System Requirements	157
HP-UX	157
Windows NT and Windows 2000	158
Site Requirements	159
Environmental Requirements	159
Electrical Requirements	159
Power Distribution Units (PDU/PDRU)	162
Installing PDUs	164
Recommended UPS Models	164
Installing the Disk Array FC60	167
Installing the Disk Enclosures	172
Step 1: Collect Required Tools	172
Step 2: Unpack the Product	172
Step 3: Install Mounting Rails	174
Step 4: Install the Disk Enclosure	174
Step 5: Install Disks and Fillers	178
Moving a Disk Enclosure from One Disk Array to Another	180
Installing the Controller	182
Step 1: Gather Required Tools	182
Step 2: Unpack the Product	182
Step 3: Install Mounting Rails	185
Step 4: Install the Controller Enclosure	185
Configuration Switches	188
Disk Enclosure (Tray) ID Switch	188
Disk Enclosure DIP Switch	188
Fibre Channel Host ID Address Setting	191
Attaching Power Cords	195
Attaching SCSI Cables and Configuring the Disk Enclosure Switches	199
Full-Bus Cabling and Switch Configuration	200
Split-Bus Switch and Cabling Configurations	203
Connecting the Fibre Channel Cables	208
Applying Power to the Disk Array	210
Verifying Disk Array Connection	218
On Windows NT and Windows 2000	218
On HP-UX	218
Interpreting Hardware Paths	220
Installing the Disk Array FC60 Software (HP-UX Only)	225
System Requirements	225
Verifying the Operating System	226
Installing the Disk Array FC60 Software	226
Downgrading Controller Firmware From HP08 to HP03	227
Configuring the Disk Array	228
HP-UX	228
Windows NT and Windows 2000	232
Using the Disk Array FC60 as a Boot Device (HP-UX Only)	234
Creating LUNs on a New A5277A Disk Array	234
Step 1. Run AR60Diag	235
Step 2. Replace LUN 0	235
Step 3. Setting Controllers to Active Mode	236
Step 4. Binding Another LUN (Optional)	236
Step 5. Install HP-UX	237
Solving Common Installation Problems	238
Adding Disk Enclosures to Increase Capacity	239
General Rules for Adding Disk Enclosures to the Disk Array	239
Step 1. Plan the Expanded Configuration	240
Step 2. Backup All Disk Array Data	241
Step 3. Prepare the Disk Array for Shut Down	241
Step 4. Add the New Disk Enclosures	242
Step 5. Completing the Expansion	245
Capacity Expansion Example	247
4 Managing the Disk Array on HP-UX	251
Tools for Managing the Disk Array FC60	252
System Administration Manager (SAM)	252
Array Manager 60	252
STM	252
Installing the Array Manager 60 Software	254
AM60Srvr Daemon	255
Running Array Manager 60	255
Managing Disk Array Capacity	256
Configuring LUNs	256
Selecting Disks for a LUN	257
Assigning LUN Ownership	261
Selecting a RAID Level	261
Global Hot Spares	262
Setting Stripe Segment Size	263
Evaluating Performance Impact	264
Adding Capacity to the Disk Array	268
Adding More Disk Modules	268
Adding Additional Disk Enclosures	275
Replacing Disk Modules with Higher Capacity Modules	275
Moving a LUN from One Disk Array to Another	277
Upgrading Controller Cache to 512 Mbytes	278
Managing the Disk Array Using SAM	280
Checking Disk Array Status	281
Assigning an Alias to the Disk Array	284
Locating Disk Modules	285
Binding a LUN	287
Unbinding a LUN	291
Replacing a LUN	291
Adding a Global Hot Spare	293
Removing a Global Hot Spare	295
Managing the Disk Array Using Array Manager 60	296
Command Syntax Conventions	300
Array Manager 60 man pages	300
Quick Help	300
Selecting a Disk Array and Its Components	301
Preparing to Manage the Disk Array	303
Checking Disk Array Status	304
Managing LUNs	311
Managing Global Hot Spares	318
Managing Disk Array Configuration	321
Managing the Universal Transport Mechanism (UTM)	322
Managing Cache Parameters	323
Gathering Performance Data	329
Performing Disk Array Maintenance	330
Managing Disk Array Logs	340
Downloading Firmware	346
Downloading Controller Firmware	347
Controller Firmware Components	355
Managing the Disk Array Using STM	358
Checking Disk Array Status Information	358
Binding a LUN	358
Unbinding a LUN	359
Adding a Global Hot Spare	359
Removing a Global Hot Spare	359
Locating Disk Modules	360
Status Conditions and Sense Code Information	361
LUN Status Conditions	361
Disk Status Conditions	363
Component Status Conditions	365
FRU Codes	366
SCSI Sense Codes	371
Major Event Log Entries	389
Destination Driver Events (1001 - 1015)	389
SCSI Source Driver Events (1101 - 1104)	391
Fibre Channel Source Driver Events (1201 - 1207)	392
Fibre Channel Destination Driver Events (1500 - 1505)	393
VDD Events (2001 - 202F)	394
Cache Manager Events (2101 - 211A)	398
Configuration Manager Events (2202 - 2255)	401
Hot Swap Events (2400 - 2504)	412
Start of Day Events (2600 - 2703)	413
Subsystem Monitor Events (2800 - 2819)	414
Command Handler Events (3000 - 301E)	417
EEL Events (3101 - 3201)	420
RDAC, Quiescence and ICON Manager Events (4000 - 4010)	421
SYMbol Server Events (5000 - 5029)	424
Storage Partitions Manager Events (5200 - 5212)	428
SAFE Events (5400 - 5404)	430
Interpreting Major Event Log Raw Data Output	431
Constant Data Fields	433
Event Decoding Example	440
5 HP-UX Diagnostic Tools	445
Overview	446
Support Tools Manager	447
STM User Interfaces	447
STM Tools	451
Using the STM Information Tool	452
Interpreting the Information Tool Information Log	454
Interpreting the Information Tool Activity Log	454
Using the STM Expert Tool	455
Firmware Update Tool	459
AR60DIAG Offline Diagnostic	464
Operating Environment	465
Support Software	465
Minimum Hardware	466
Minimum Software	466
AR60DIAG Environment Variables	466
Command Descriptions	468
Healthcheck Diagnostic Tool	503
Getting Started	503
Installation	504
Verifying the Installation	504
6 Troubleshooting	507
Introduction	508
About Field Replaceable Units (FRUs)	509
HP-UX Troubleshooting Tools	510
Windows NT and Windows 2000 Troubleshooting Tools	510
EMS Hardware Event Monitoring (HP-UX Only)	510
Installation Problem Solving Checklist	513
Troubleshooting Strategy	515
Power-Up Troubleshooting	517
Controller Enclosure Troubleshooting	519
Introduction	519
Controller Enclosure LEDs	520
Controller Status LEDs	522
Identifying Interface Problems	540
Controller Enclosure Troubleshooting	544
Controller Midplane Troubleshooting	551
Cooling System	555
Controller Fan Module	559
Controller Enclosure Power Supply Fan Module	562
Power System	564
Power Supply Module	571
Battery Harness	575
DC Power Harnesses	576
Power Interface Board	578
Troubleshooting Sub-LUNs	578
Master Troubleshooting Table	588
SureStore E Disk System SC10 Troubleshooting	594
Disk Enclosure LEDs	594
Losing LUN 0	594
Interpreting Component Status Values (HP-UX Only)	597
Isolating Causes	598
Serial Port Troubleshooting	601
What You Will Need	601
Connecting to the Array Serial Port	602
Running the Shell Scripts	604
7 Removal and Replacement	607
Overview	608
Required Tools and Equipment	610
Disk Enclosure Modules	611
Disk Module or Filler Module	611
Disk Enclosure Fan Module	617
Disk Enclosure Power Supply Module	619
BCC Module Removal/Replacement	621
Internal Disk Enclosure Assemblies	628
Disk Enclosure SC10	628
Front Cover Door Removal/Replacement	632
Top Cover Removal/Replacement	634
Power Button Assembly Removal/Replacement	636
Backplane/Mezzanine Removal/Replacement	638
Disk Module Carrier Removal/Replacement	642
Controller Enclosure Modules	645
Front Cover Removal/Replacement	646
Controller Fan Module	647
Battery Backup Unit (BBU) Removal/Replacement	649
Power Supply Fan Module Removal/Replacement	652
Power Supply Module Removal/Replacement	654
Controller Module	656
SCSI Cables	663
MIA	665
Internal Controller Enclosure Assemblies	667
Controller Enclosure	667
DIMM/SIMM Memory Cards	671
Harness Cover Plate	675
DC Power Harnesses	676
Power Supply Cage/Midplane Assembly	678
Battery Harness	680
Controller Cage/ Midplane Assembly / Battery Harness	681
8 Reference / Legal / Regulatory	685
System Requirements	686
Host Systems	686
Supported Operating Systems	686
Fibre Channel Host Adapters	687
Models and Options	688
A5277A/AZ Controller Enclosure Models and Options	688
A5294A/AZ Disk Enclosure SC10 Models and Options	690
Disk Array FC60 Upgrade and Add-On Products	692
PDU/PDRU Products	693
Replaceable Parts	694
A5277A/AZ Controller Enclosure Specifications	697
Dimensions:	697
Weight:	697
AC Power:	698
Heat Output:	698
Environmental Specifications	699
Acoustics	700
A5294A/AZ Disk Enclosure Specifications	701
Dimensions:	701
Weight:	701
AC Power:	702
DC Power Output:	702
Heat Output:	702
Environmental Specifications	703
Acoustics	704
Warranty and License Information	705
Hewlett-Packard Hardware Limited Warranty	705
Software Product Limited Warranty	706
Limitation of Warranty	706
Hewlett-Packard Software License Terms	708
Regulatory Compliance	711
Safety Certifications:	711
EMC Compliance	711
FCC Statements (USA Only)	712
IEC Statement (Worldwide)	712
CSA Statement (For Canada Only)	712
VCCI Statement (Japan)	713
Harmonics Conformance (Japan)	713
Class A Warning Statement (Taiwan)	713
Spécification ATI Classe A (France Seulement)	714
Product Noise Declaration (For Germany Only)	714
Geräuschemission (For Germany Only)	715
Declaration of Conformity	716
GLOSSARY	717

Match case Limit results 1 per page

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139

Topology and Array

Planning

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Failing

component

Continue

after failure

What happens and how to recover

Disk module

Yes

Applications continue to run on all supported RAID levels (RAID-1, 0/1,

and 5). The system administrator or service provider hot-swaps the

failed disk module.

Controller

module

No on path to

failed controller

module;

Yes on alternate

path through

second

controller

module

Ownership of the failed controller module’s LUNs can transfer

automatically to the remaining operational controller module if primary

and alternate paths have been configured in LVM. If so, LVM switches

automatically and transparently to the alternate path. The system

administrator or service provider hot-swaps the failed controller

module.

Fan module

Yes

Applications continue to run. The system administrator or service

provider hot-swaps the fan module.

Power supply

modules

Yes

Applications continue to run when one power supply modules fails. The

system administrator or service provider hot-swaps the failed power

supply module.

HP Fibre

Channel-AL

Hub

No on path to

failed hub;

Yes on alternate

path to other

pair of hubs

I/O operations fail along the path to the failed HP Fibre Channel-AL

Hub. I/O operations can transfer automatically to the other pair of

cascaded

HP Fibre Channel-AL Hubs if primary and alternate paths have been

configured

in LVM. If so, LVM switches automatically and transparently to the

alternate path. The authorized service provider hot-swaps the failed HP

Fibre Channel-AL Hub.

Fibre Channel

I/O adapter

No on path to

failed adapter;

Yes if array has

dual controller

modules and

alternate paths

have been

configured

I/O operations fail along the path through the failed adapter. If the host

has two Fibre Channel adapters connected to a dual-controller module

disk array, the array can be accessed through the path to the

operational adapter and controller module if primary and alternate

paths have been configured in LVM. If so, LVM switches automatically

and transparently to the alternate path. The authorized service provider

replaces the failed adapter and the system administrator restarts the

operating system and applications.