HP StorageWorks MSA 2/8 HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide (
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- HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 1
user guide hp StorageWorks ISL trunking version 3.1.x/4.1.x Product Version: 3.1.x/4.1.x Third Edition (June 2003) Part Number: AA-RTSAC-TE This user guide provides an overview of the optionally licensed ISL Trunking Fabric OS feature. This guide also includes information about how to activate and - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 2
herein or for incidental or consequential damages in connection with the furnishing, performance, or use of weave logo, Brocade: the Intelligent Platform for Networking Storage, SilkWorm, and SilkWorm Express, are trademarks or registered User Guide Third Edition (June 2003) Part Number: AA-RTSAC-TE - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 3
this Guide 7 Overview 8 Intended Audience 8 Related Documentation 8 Conventions 9 Document Conventions 9 Text Symbols 9 Getting Help 11 HP Technical Support 11 HP Storage Website 11 HP Authorized 29 Using the CLI to Gather Traffic Data 29 ISL Trunking Version 3.1.x/4.1.x User Guide 3 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 4
Trunking Information Using the CLI 39 Displaying Trunking Information Using Web Tools 40 Troubleshooting 42 Debugging a Trunking ISL Failure 42 Interpreting ISL Trunking Error Messages 43 Example 50 See Also 51 switchcfgspeed 51 Syntax 51 4 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 5
ISL Trunking group 15 2 Port groupings on a SAN Switch 2/8 EL 17 3 Quad and port groupings on a SAN Switch 2/16 17 4 Quad and port groupings on a SAN Switch 2/32 18 5 Port groupings on the port card on a Core Switch 2/64 19 6 Port Setting tab 35 ISL Trunking Version 3.1.x/4.1.x User Guide 5 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 6
Contents 7 Trunk Information tab 41 Tables 1 Document Conventions 9 2 Frequently Asked Questions about ISL Trunking 45 3 Fabric OS Commands Related to ISL Trunking 48 6 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 7
about this guide This user guide proAvibdeos iunftortmhaitisonGto uheildp yeou: ■ Become familiar with,Aibnosuttatlhli,s aGnudideuse the ISL Trunking feature ■ Contact technical support for additional assistance "About this Guide" topics include: ■ Overview, page 8 ■ Conventions, page 9 ■ Getting - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 8
About this Guide Overview This section covers the following topics: ■ Intended Audience ■ Related Documentation Intended Audience This book is intended for use by system administrators who are experienced with the following: ■ HP StorageWorks Fibre Channel SAN switches ■ Fabric Operating System (FOS - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 9
and dialog box titles File names, application names, and text emphasis User input, command and directory names, and system responses (output and > Blue, underlined sans serif font text: http://www.hp.com Text Symbols The following symbols may be found in the text of this guide. They have the - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 10
About this Guide Note: Text set off in this manner presents commentary, sidelights, or interesting points of information. 10 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 11
still have a question after reading this guide, contact an HP authorized service provider or access our website: http://www.hp.com. HP Technical Support Telephone numbers for worldwide technical support are listed on the following HP website: http://www.hp.com/support/. From this website, select the - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 12
About this Guide 12 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 13
Introducing ISL Trunking This chapter provides the following information: ■ Overview, page 14 ■ How ISL Trunking Works, page 15 1 ISL Trunking Version 3.1.x/4.1.x User Guide 13 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 14
System (FOS) on all HP StorageWorks 2 Gbps switches. The ISL Trunking feature optimizes network performance by allowing up to four ISL connections between two switches to merge logically into a wavelength (LWL) fiber optic cables and transceivers. 14 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 15
, determine the shortest route for traffic, update the routing table, provide fixed routing paths within a fabric, and maintain correct ordering of frames. ISL Trunking Version 3.1.x/4.1.x User Guide 15 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 16
trunking groups can exist between the same two switches, and each switch can support as many trunking groups as allowed by the impact of any dropped frames on the I/O depends on the host, application, storage, and host bus adapter (HBA) in use. If a Subordinate ISL fails 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 17
Trunking does not support the "LE", "L1", or "L2" portcfglongdistance modes. For information about these modes and Extended Fabrics in general, refer to the HP StorageWorks Extended Fabric Version 3.1.x/4.1.x User Guide. Potential trunking groups are marked on the front of the switch, according to - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 18
ISL Trunking Figure 4 shows which ports on a SAN Switch 2/32 belong to the same quads. Ports 16-19 Ports 20-23 Ports 24-27 Ports 28-31 Ports 0-3 Ports 4-7 Ports 8-11 Ports 12-15 Figure 4: Quad and port groupings on a SAN Switch 2/32 18 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 19
Introducing ISL Trunking Figure 5 shows which ports on a Core Switch 2/64 port card belong to the same quads. Ports 12-15 Ports 8-11 Ports 4-7 Ports 0-3 Figure 5: Port groupings on the port card on a Core Switch 2/64 ISL Trunking Version 3.1.x/4.1.x User Guide 19 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 20
Introducing ISL Trunking 20 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 21
Activating ISL Trunking This chapter provides the following information: ■ Overview, page 22 ■ License Activation, page 23 2 ISL Trunking Version 3.1.x/4.1.x User Guide 21 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 22
is activated, trunking is automatically implemented for any eligible ISLs. A license must be activated on each switch that will participate in trunking. For the Core Switch 2/64, a single license key enables the feature on both logical switches. 22 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 23
to the HP StorageWorks Web Tools Version 3.1.x/4.1.x User Guide. Verifying Activated Licenses You can display the current licenses using the licenseshow command. To verify an ISL Trunking license through the CLI: 1. Open a telnet or serial connection to the switch. 2. Log into the switch as Admin - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 24
. switch:admin> licenseadd "aAaaaaAaAaAaAaA" adding license key "aAaaaaAaAaAaAaA" done. switch:admin> 5. Enter the licenseshow command to verify that the license was successfully activated. The feature is available as soon as the license is activated. 24 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 25
Setting Up ISL Trunking in a Fabric 3 This chapter provides the following information: ■ Overview, page 26 ■ Designing the Fabric to Optimize Use of ISL Trunking, page 27 ■ Evaluating Data Traffic Patterns, page 29 ISL Trunking Version 3.1.x/4.1.x User Guide 25 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 26
most useful trunking groups, evaluate the traffic patterns before designing/redesigning the fabric. Note: ISL Trunking is enabled by default for each port on the switch as shipped. For instructions on disabling and enabling Trunking capability for individual ports or all the ports on the - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 27
SAN design and improve SAN performance. When designing the SAN, consider the following recommendations in addition to the standard guidelines for SAN connecting two switches with two number of trunking groups between each set of linked switches switches switches. regardless of the number of ISLs in - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 28
will choose the shorter paths first. ■ For a core/edge topology: Place trunking-capable switches at the core of the fabric and switches that are not capable of trunking at the edge of the fabric. This allows for can be used in the same trunking group. 28 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 29
that troubleshooting can be performed and the links can be added back to trunking groups as necessary. To use the portperfshow command to gather traffic data: 1. Open a serial or telnet connection to one of the central switches in the fabric. 2. Log into the switch as Admin. The default password is - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 30
monitor traffic flow and to view the impact of different fabric configurations on performance. For instructions on using Performance Monitoring, refer to the HP StorageWorks Advanced Performance Monitoring Version 3.1.x/4.1.x User Guide. Using Fabric Watch to Gather Traffic Data Fabric Watch can be - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 31
the following information: ■ Overview, page 32 ■ Enabling and Disabling Trunking, page 33 ■ Specifying Port Speeds, page 36 ■ Displaying Trunking Information, page 39 ■ Troubleshooting, page 42 ■ Frequently Asked Questions About ISL Trunking, page 45 ISL Trunking Version 3.1.x/4.1.x User Guide 31 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 32
a number of management options, including enabling and disabling trunking on entire switches or individual ports, setting port speeds for entire switches or individual ports, displaying trunking information, and debugging any trunking failures. ISL Trunking can be managed using a telnet or serial - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 33
trunking for an individual port: 1. Open a CLI connection to the switch to be modified. 2. Log into the switch as Admin. The default password is password. 3. Enter the following: portcfgtrunkport slotnumber/portnumber 1|0 where: ■ slotnumber is the number of the slot to which the port belongs; only - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 34
ISL Trunking switch:admin> switchcfgtrunk 1 Committing configuration...done. switch:admin> -click to select the switch from the navigation tree. 3. Click the Admin icon. 4. Log into the switch as Admin. The default password is password. 5. Select the Port ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 35
Managing ISL Trunking Figure 6: Port Setting tab ISL Trunking Version 3.1.x/4.1.x User Guide 35 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 36
connection (telnet or serial) to the switch to be modified. 2. Log into the switch as Admin. The default password is password. 3. Enter the following: switchcfgspeed where: represents the link speed, as follows: ■ 0 - Auto-negotiating mode. The port automatically configures - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 37
for an individual port: 1. Open a CLI connection to the switch to be modified. 2. Log into the switch as Admin. The default password is password. 3. Enter the following: portcfgspeed where: ■ is the number of the switch slot; only required for the Core - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 38
3. Click the Admin icon. 4. Log into the switch as Admin. The default password is password. 5. Choose the Port Setting tab. 6. Choose the arrow in the Change Speed column and select the desired speed from the pull-down menu. Note: Trunking only supports speeds set to auto-negotiating and 2 Gbit/sec - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 39
trunking information through the CLI (telnet or serial session): 1. Open a CLI connection to the switch for which trunking information is desired. 2. Log into the switch as Admin. The default password is password. 3. Enter the trunkshow command. ISL Trunking Version 3.1.x/4.1.x User Guide 39 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 40
name or IP address in the URL field. 2. Double-click to select the switch from the navigation tree. 3. Click the Admin icon. 4. Log into the switch as Admin. The default password is password. 5. Choose the Trunk Information tab, as shown in Figure 7. 40 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 41
Managing ISL Trunking . Figure 7: Trunk Information tab ISL Trunking Version 3.1.x/4.1.x User Guide 41 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 42
through the CLI for use in troubleshooting and error correction. To view debugging information for a trunking ISL failure: 1. Open a CLI connection to the switch to be modified. 2. Log into the switch as Admin. The default password is password. 3. Enter the following: trunkdebug - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 43
and fabstateshow commands, save the output, and contact Technical Support for assistance. Warning BLOOM-TRNK_SLV_DWN... This type of message indicates critical, 2 = error, 3 = warning, 4 = info, and 5 = debug). ■ S3 indicates the slot number ISL Trunking Version 3.1.x/4.1.x User Guide 43 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 44
Managing ISL Trunking ■ port 46 indicates the area number of the Subordinate Port ■ [47 46] indicates the ports that are disconnected, enter the portlogdump and fabstateshow commands, save the output, and contact Technical Support for assistance. 44 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 45
connects to the Principal Switch, which assigns domain IDs for the fabric. No, ISL Trunking is supported only for interswitch links. No, the number of trunking groups that can be implemented on a switch are limited only by the number is redistributed. ISL Trunking Version 3.1.x/4.1.x User Guide 45 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 46
the same across all participating ISLs within a trunk? Which Extended Fabric Modes are supported? Is trunking supported for 1 Gbit/sec? Answer No; although port statistics are usually fairly evenly not form. No, trunking requires 2 Gbit/sec capacity. 46 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 47
Trunking Commands A ISL Trunking includes several commands that can be used to configure settings related to trunking, such as setting port speeds, enabling and disabling trunking, debugging a trunk link, and displaying information about trunking. ISL Trunking Version 3.1.x/4.1.x User Guide 47 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 48
level. After this command is issued, the port is disabled and then enabled so that the port comes up with the new speed setting. The configuration is saved in the non-volatile memory and is persistent across switch reboot or power cycle. 48 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 49
mode. The port will be at fixed speed of 2 Gbit/sec. Specifying the speed of port 3 on the port card in slot 2 to 2 Gbit/sec: switch:admin> portcfgspeed 2/3 2 done. See Also Also see the following related commands: switchcfgspeed portshow ISL Trunking Version 3.1.x/4.1.x User Guide 49 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 50
This command has the following operands: slotnumber - Specify the number of the blade that the port belongs to. This operand is optional. To enable port 3 on blade 1 for trunking: switch:admin> portcfgtrunkport 1/3 1 Committing configuration...done. 50 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 51
users only. Description Use this command to specify the speed of all the ports on a switch at a particular level. The configuration is saved in the non-volatile memory and persists across switch port automatically configures for the highest speed. ISL Trunking Version 3.1.x/4.1.x User Guide 51 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 52
switchcfgspeed 2 Committing configuration...done. switch:admin> See Also Also see the following related commands: portcfgspeed switchshow switchcfgtrunk Syntax This command uses the following syntax: switchcfgtrunk Availability This command is available to admin users only. Description - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 53
command reports one of the following messages based on the trunking properties of the two specified ports: ■ Switch doesn't support trunking ■ Trunking license required ■ Trunking is not supported in switch interop mode ■ port is not E_Port ISL Trunking Version 3.1.x/4.1.x User Guide 53 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 54
2/64, area numbers range from 0 to 63 for each logical switch; if a slot is empty, the numbers that would be assigned to that card are skipped. Example Debugging a trunk connection: switch:admin> trunkdebug 43 44 Switch doesn't support trunking. 54 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 55
See Also Also see the following related commands: trunkshow portcfgtrunkport switchcfgtrunk ISL Trunking Commands ISL Trunking Version 3.1.x/4.1.x User Guide 55 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 56
available to all users. Description Use this command to display trunking information. The fields displayed are as follows: ■ Trunking Group Number - Displays each trunking group on a switch. All the ports that are part of this trunking group are displayed. ■ Port to port connections - Displays the - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 57
ISL Trunking Commands Example See Also Displaying trunking information for a switch: switch:admin> trunkshow 1: 1 -> 1 10:00:00:60:69:04:10:83 0 -> 0 10:00:00:60:69:04:10:83 deskew 15 the following related commands: portcfgtrunkport switchcfgtrunk ISL Trunking Version 3.1.x/4.1.x User Guide 57 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 58
ISL Trunking Commands 58 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 59
guide or related to this product and is not a comprehensive glossary of computer terms. Glossary 16-port card The Fibre Channel port card provided with the StorageWorks Core switch string. See also device connection controls. Account Level Switches Refers to switches that have four login accounts - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 60
Number A number assigned to each potential port location in the StorageWorks Core switch. Used to distinguish StorageWorks Core switch ports that have the same port number but are on different port blades. ASIC Application Specific Integrated Circuit. 60 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 61
can be transmitted to a directly connected recipient or within an arbitrated loop. Determined by the number of receive buffers available. See also Buffer-to-buffer Flow Control, EE_Credit. Beacon When all the port LEDs on a switch are set to flash from one side of the switch to the other, to enable - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 62
A fan that prevents a switch (or individual elements within a switch) from overheating. Boot Flash Flash memory that stores the boot code and boot parameters. The processor executes its first instructions from boot flash. Data is cached in RAM. 62 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 63
frame switching service between two ports, without notification of delivery or non-delivery of data. This service can also be used to provide a multicast connection between the originator and recipients, with notification of delivery or non-delivery. ISL Trunking Version 3.1.x/4.1.x User Guide 63 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 64
service for control traffic between switches, with notification of delivery or non-delivery of data between the E_Ports. Class of Service . If a "fail" is reported, inform Tech Support and replace the board. See also BIST, BISR. used like hard disk storage. Not visible within the processor's memory - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 65
and Events. Core Switch A switch whose main task is to interconnect other switches. See also SAN switch. CP Card Control Processor Card. The central processing unit of the StorageWorks Core switch, which contains two CP Card slots to provide redundancy. Provides Ethernet, serial, and modem ports - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 66
fill word, LPSM. Cut-through A switching technique that allows the route for a frame Configuration The set of all zone objects defined in the fabric. May include multiple zone configurations. See also enabled zone configuration, zone configuration. 66 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 67
to HP StorageWorks switches, a unique number between 1 and 239 that identifies the switch to the fabric and is used in routing frames. Usually automatically assigned by the switch, but can be manually assigned is declared. See also R_A_TOV, RR_TOV. ISL Trunking Version 3.1.x/4.1.x User Guide 67 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 68
a time. See also defined zone configuration, zone configuration. End-to-end Flow Control Governs flow of class 1 and 2 frames between N_Ports. See also EE_Credit. Entry Fabric Basic HP license that allows one E_Port per switch. Not supported by StorageWorks Core switches. Error As applies to Fibre - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 69
used to connect an N_Port to a switch. See also FL_Port, Fx_Port. Fabric A Fibre Channel network containing two or more interconnected switches in addition to hosts and devices. May also be referred to as a switched fabric. See also topology, SAN, cascade. Fabric Access An HP product that consists - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 70
system on HP StorageWorks switches. Fabric Watch An HP product that runs on Fabric OS and allows monitoring and configuration of fabric and switch elements. Allows the SAN manager to monitor key fabric and switch elements, making it easy to quickly identify and escalate potential problems. It - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 71
to the operation of peripheral devices on a private loop. FCS switch Fabric configuration server switch. One or more designated HP switches that store and manage the configuration and security parameters for all switches in the fabric. FCS switches are designated by WWN, and the list of designated - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 72
arbitrated loop capabilities. Can be used to connect an NL_Port to a switch. See also F_Port, Fx_Port. Flash Partition Two redundant usable areas, called "partitions," into which firmware can be downloaded in the StorageWorks Core switch. Flash Programmable NVRAM memory that maintains its contents - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 73
. For example, the Simple Name Server is a Fibre Channel service. See also FSP. FSPF Fabric Shortest Path First. HP routing protocol for Fibre Channel switches. FSP Fibre Channel Service Protocol. The common protocol for all fabric services, transparent to the fabric type or topology. See also FS - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 74
. A removable serial transceiver module that switch: ■ Standard Translative Mode: Allows public devices to communicate with private devices that are directly connected 99% of the time. Typically High Availability is identified by the number of nines in that percentage. "Five Nines" means the equipment - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 75
Fibre Channel network that initiates communications with storage devices. See also Target. Integrated Fabric The fabric created by a SAN Switch Integrated/32 and SAN Switch Integrated/64, consisting of six SAN Switch 16-EL switches cabled together and configured to handle traffic as a seamless group - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 76
the E_Port of one switch to the E_Port of another. See also E_Port, cascade, ISL Trunking. ISL Trunking An HP feature that enables distribution protocol mapping. JBOD Just a Bunch Of Disks. Indicates a number of disks connected in a single chassis to one or more controllers. See User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 77
HP switches to indicate the status of various switch elements. Link Services A protocol for link-related actions. Link As applies to Fibre Channel, a physical connection for a loop initialization sequence to return. Login BB_Credit The number of receive buffers a receiving L_Port has available when a - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 78
reset a node. Loop_ID A hex value representing one of the 127 possible AL_PA values in an arbitrated loop. Looplet A set of devices connected is based on 1300-mm lasers and supports link speeds of 1.0625 Gbps. May configuration and device information. 78 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 79
StorageWorks Core switch. Can be used to connect the CP Card to a modem with a standard 9-pin modem cable. Consists of a DB-9 connector wired as a RS-232 device, and can be connected by serial connect to a Fibre Channel port or to another N_Port in a point-to-point connection port connects to connects - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 80
Loop Port. A node port that has arbitrated loop capabilities. Used to connect an equipment port to the fabric in a loop configuration through an FL_Port. See also N_Port, Nx_Port. Node Name The unique it can arbitrate. OPN Open Primitive Signal. 80 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 81
HP StorageWorks switches use the FSPF protocol. Performance Monitor Comprehensive HP tool for monitoring the performance of networked storage resources. Performance Monitoring An HP product that provides error and performance information to the administrator and end user 3.1.x/4.1.x User Guide 81 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 82
Switch Primary fabric configuration server switch. The switch that actively manages the configuration and security parameters for all switches in the fabric. See also backup FCS switch, FCS switch. Private Device A device that supports Supply Unit. 82 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 83
supports pool of frame buffers. QuickLoop An HP StorageWorks product that makes it possible to allow number of devices or looplets; all devices in the same QuickLoop share a single AL_PA space. A means of allowing private hosts to communicate with private targets across a switched User Guide 83 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 84
Switch Bridges two switches into a SAN servicing entity. See also service rate. RLS Probing Read link status of the AL_PAs. Root Account A login used for debugging purposes by HP engineers and is not intended for customer use. See also account level switches specific switch ports, to connect DTE and - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 85
part of a particular exchange. SAN Storage Area Network. A network of systems and storage devices that communicate using Fibre Channel protocols. See also fabric. SAN Switch A switch whose main task is to connect module and an HSSDC2 cable assembly. ISL Trunking Version 3.1.x/4.1.x User Guide 85 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 86
to as directory service. See also FS. StorageWorks SAN switch The brand name for the HP family of switches. Switch Name The arbitrary name assigned to a switch. Switch Port A port on a switch. Switch ports can be E_Ports, F_Ports, or FL_Ports. 86 ISL Trunking Version 3.1.x/4.1.x User Guide - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 87
Port May also be referred to as the console port. The lower serial port on the CP Card of the StorageWorks Core switch. This port sends switch information messages and can receive commands. Can be used to connect the CP Card to a computer terminal. Has an RS-232 connector wired as a DTE device - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 88
by a different type of network. U_Port Universal Port. A switch port that can operate as a G_Port, E_Port, F_Port, or FL_Port. A port is defined as a U_Port when it is not connected or has not yet assumed a specific function in the fabric. UDP User Datagram Protocol. A protocol that runs on top of - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 89
user account A login intended for use by the customer to monitor, but not control, switch operation. See also account level switches. VC Virtual circuit. A one-way path between N_Ports that allows fractional bandwidth. Web Tools An HP User Guide 89 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 90
A port, node, WWN, or alias, which is part of a zone. Zone Schemes The level of zoning granularity selected. For example, zoning may be done by switch/port, WWN, AL_PA, or a mixture. See also zone configuration. Zone Set See zone configuration. Zoning An HP product that runs on Fabric OS and allows - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 91
3.1.x/4.1.x User Guide Index Index index E enabling trunking 33 equipment symbols 11 error messages, interpreting 43 F fabric designing for trunking 27 FAQs 45 FSPF 15 G getting help 11 groups, trunking 16 H help, obtaining 11 HP authorized reseller 11 storage website 11 technical support 11 - HP StorageWorks MSA 2/8 | HP StorageWorks ISL Trunking V3.1.x/4.1.x User Guide ( - Page 92
11 T technical support, HP 11 telnet commands, installation 23 text symbols 9 traffic patterns evaluating 29 planning for 27 traffic, routing of 15 troubleshooting error log 42 31 W warning symbols on equipment 11 websites HP storage 11 WWNs, port 39 92 ISL Trunking Version 3.1.x/4.1.x User Guide
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user guide
hp
StorageWorks
ISL trunking version 3.1.x/4.1.x
Product Version:
3.1.x/4.1.x
Third Edition (June 2003)
Part Number:
AA–RTSAC–TE
This user guide provides an overview of the optionally licensed ISL Trunking Fabric OS feature.
This guide also includes information about how to activate and to use the ISL Trunking feature.