HP StorageWorks 4000 Compaq StorageWorks Fibre Channel Troubleshooting Guide
HP StorageWorks 4000 - RAID Array Manual
View all HP StorageWorks 4000 manuals
Add to My Manuals
Save this manual to your list of manuals |
HP StorageWorks 4000 manual content summary:
- HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 1
Fibre Channel Troubleshooting Guide Sixth Edition (January 2000) Part Number 297877-006 Compaq Computer Corporation - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 2
trademarks of Microsoft Corporation. Pentium is a registered trademark and Xeon is a trademark of Intel Corporation. Other product names mentioned herein may be trademarks and/or registered trademarks of their respective companies. Compaq StorageWorks Fibre Channel Troubleshooting Guide Sixth - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 3
Contents About This Guide Symbols in Text...vi Compaq Technician Notes vi Where to Go for Additional Help vii Telephone Numbers viii Chapter 1 Introduction Fibre Channel Arbitrated Loop Components in a Primary Storage System 1-2 Compaq StorageWorks RAID Array 4000 System with Redundant - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 4
iv Compaq StorageWorks Fibre Channel Troubleshooting Guide Chapter 2 Fibre Channel Fault Isolation Utility Installing the Utility for Windows NT 3-4 Chapter 4 StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts Overview of the Troubleshooting Flow Charts 4-2 Verify System Operation - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 5
About This Guide v Appendix A Primary and Secondary Storage System LEDs Fibre Channel Host Bus Adapters A-1 RA4000 Controller A-2 Storage Hub 7...A-3 Storage Hub 12...A-4 Fibre Channel Tape Controller A-6 Fibre Channel - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 6
This Guide This guide is designed to be used as step-by-step instructions for installation and as a reference for operation, troubleshooting, and future upgrades. WARNING: To reduce the risk of personal injury from electrical shock and hazardous energy levels, only authorized service technicians - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 7
vii Compaq StorageWorks Fibre Channel Troubleshooting Guide WARNING: To reduce the risk of personal injury to this guide, the following information sources are available: I User Documentation I Compaq Service Quick Reference Guide I Service Training Guides I Compaq Service Advisories and Bulletins - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 8
About This Guide viii Telephone Numbers For the name of your nearest Compaq Authorized Reseller: I In the United States, call 1-800-345-1518 I In Canada, call 1-800-263-5868 For Compaq technical support: I In the United States and Canada, call 1-800-386-2172 I For Compaq technical support phone - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 9
Introduction The Compaq StorageWorks Fibre Channel Troubleshooting Guide provides a description of Compaq StorageWorks RAID Array 4000 and 4100 the Fibre Channel Diagnostics Utility, and includes detailed troubleshooting flow charts to help isolate problems on a Fibre Channel Arbitrated Loop (FC-AL - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 10
StorageWorks Fibre Channel Troubleshooting Guide Fibre Channel Arbitrated Loop Components in a Primary Storage System NOTE: Although RA4000(s) are illustrated throughout this guide component on the FC-AL. Server Fibre Array Rack-Mountable Fibre Array (Tower) Fibre Channel Storage Hub 7 Gigabit - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 11
Server RA4000 Rack-Mountable RA4000 (Tower) Fibre Channel Storage Hub 7 GigaBit Interface Converter Compaq StorageWorks RAID Array 4000 System with Redundant Components A Compaq StorageWorks RAID Array 4000 system with redundant components consists of: I Two Fibre Channel Host Bus Adapters (PCI - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 12
1-4 Compaq StorageWorks Fibre Channel Troubleshooting Guide Table 1-2 Fibre Channel Primary Storage System with Two RA4000s Reference Component RA4000 Controller RA4000 GigaBit Interface Converters Fibre Channel Host Bus Adapter Fibre Channel Storage - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 13
Introduction 1-5 Fibre Channel Host Bus Adapter/E The Fibre Channel Host Bus Adapter/E was designed for use in a server equipped with the EISA expansion bus. The Fibre Channel Host Bus Adapter/E, under the control of the operating system and dedicated device drivers, provides an interface between - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 14
1-6 Compaq StorageWorks Fibre Channel Troubleshooting Guide 64-Bit/66-MHz Fibre Channel Host Adapter The 64-Bit/66-MHz Fibre Channel Host Adapter is installed in a server with a PCI local bus - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 15
supports Fast-SCSI-2, Fast-Wide SCSI-2, or Wide-Ultra SCSI-3 hot-pluggable hard drives. The RA4000 comes equipped with one RA4000 Controller installed. A second RA4000 Controller may be added for a redundant configuration. Refer to the Compaq StorageWorks RAID 4000 User Guide I Array Configuration - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 16
1-8 Compaq StorageWorks Fibre Channel Troubleshooting Guide Storage Hub 7 The Compaq Fibre Channel Storage Hub 7 functions as the central point of interconnect for the FC -add or modify the loop as requirements dictate I Expandability-supports up to six storage devices per Fibre Channel Host Bus - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 17
addressing will maintain the overall FC-AL integrity. Figure 1-8. Compaq Fibre Channel Storage Hub 12 Features I Expandability and Performance-supports 12 GigaBit Interface Converter modules I Flexibility-adheres to the ANSI FC-AL standard I Intelligent Port Control-provides multiple data checks - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 18
1-10 Compaq StorageWorks Fibre Channel Troubleshooting Guide GigaBit Interface Converter Module (GBIC)-Shortwave (SW) The shortwave GBIC module converts electrical signals to optical serial signals for transmission across the FC-AL and - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 19
Introduction 1-11 GigaBit Interface Converter Module (GBIC)-Longwave (LW) The longwave GBIC modules must be connected to your server with a single-mode Fibre Channel cable. Only a Fibre Channel test cable is provided with this kit. A list of Fibre Channel cable suppliers can be found at the - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 20
1-12 Compaq StorageWorks Fibre Channel Troubleshooting Guide Replacing Components in a Primary Storage System This section describes the steps required to replace FC-AL components in a StorageWorks RAID Array 4000 or 4100 storage system. Refer to the Compaq StorageWorks Fibre Channel Host Bus - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 21
: 1. Perform a normal system shutdown of the servers. 2. Power down the RA4000. 3. Unplug all power cords from the RA4000 Array. Remove the Fibre Channel cable attached to the GBIC in the failed RA4000 Controller. 4. Squeeze the tabs on either side of the GBIC , then remove - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 22
1-14 Compaq StorageWorks Fibre Channel Troubleshooting Guide 7. Install the replacement RA4000 Controller by inserting it and connect the Fibre Channel cable. 10. Reconnect the power cords. 11. Power up the RA4000 Array. 12. Power up the servers. The fault LED on the front panel of the RA4000 should - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 23
Introduction 1-15 Replacing the RA4000 Controller with Redundant Controller 1. Remove the Fibre Channel cable attached to the GBIC in the failed RA4000 Controller. 2. Squeeze the tabs on either side of the GBIC , then remove the GBIC by pulling it straight out of the RA4000 Controller . 2 3 1 - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 24
1-16 Compaq StorageWorks Fibre Channel Troubleshooting Guide 4. Remove the RA4000 Controller by pulling it straight out of the chassis . 1 1 2 3 Figure 1-15. Removing the RA4000 Controller 5. Install the replacement RA4000 Controller by inserting - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 25
Channel Cable Fibre Channel Host Bus Adapter/P This section contains information on the Fibre Channel Host Bus Adapter/P. See page 1-4 of this guide for details. Storage Hub 12 The Storage Hub 12 continuously monitors and automatically configures devices added or removed from the FC-AL. Adding - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 26
1-18 Compaq StorageWorks Fibre Channel Troubleshooting Guide The Storage Hub 12 is transparent to the data passing FC-AL integrity. Figure 1-18. Storage Hub 12 Features I Expandability and Performance-supports 12 GigaBit Interface Converter modules I Flexibility-adheres to the ANSI FC-AL standard I - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 27
Introduction 1-19 Fibre Channel Tape Controller The Compaq Fibre Channel Tape Controller provides differential SCSI bus connections and a port for connection to the FC-AL. It provides connectivity for a single SCSI Fast/Wide or Ultra SCSI bus running the SCSI Fibre Channel Protocol (FCP). The form - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 28
1-20 Compaq StorageWorks Fibre Channel Troubleshooting Guide Fibre Channel Tape Controller II The Compaq StorageWorks Fibre Channel Tape Controller II operations are transparent to the application clients. NOTE: The Compaq StorageWorks Fibre Channel Tape Controller II is designed to work with - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 29
Channel Cable Option Kits. See page 1-11 of this guide. Replacing Components in a Secondary Storage System This section describes the documentation supplied with the RAID Array and observe the appropriate safety precautions and option installation instructions before following these procedures. When - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 30
1-22 Compaq StorageWorks Fibre Channel Troubleshooting Guide Replacing a GBIC To replace a GBIC: 1. Remove the Fibre on the equipment. The GBIC can only be installed one way because the GBIC and the guide rails inside the Fibre Channel Host Bus Adapter receptacle are keyed. 3. Install the Fibre - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 31
be detected when the Fault Isolation Utility is used in combination with the Troubleshooting Flow Charts. Installing the Utility The latest files for the Fibre Channel Fault utility, are located on the Compaq SmartStart and Support Software CD. Running the Utility To run the Fibre Channel Fault - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 32
2-2 Compaq StorageWorks Fibre Channel Troubleshooting Guide Program Displays The utility's main or EISA (/E). NOTE: The Enterprise Backup Solution only supports PCI Host Bus Adapters to ensure adequate performance. Each Fibre Channel Array and Fibre Channel Tape Controller is shown as a branch - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 33
below shows a Fibre Channel Tape Controller selected, with detailed information about this tape controller displayed to the right. A Fibre Channel Array Controller is also shown on a separate FC-AL. Figure 2-2. Detailed information Displayed about a Tape Controller The information displayed in the - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 34
2-4 Compaq StorageWorks Fibre Channel Troubleshooting Guide Loop Error Histogram Display The Loop Error Histogram indicates errors detected on the FC-AL when a Fibre Channel Host Bus Adapter is highlighted. Each bar - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 35
to be offline in the program, although in reality they are physically connected to the FC-AL. When a FC-AL shows errors, the Fibre Channel Array and Tape Controllers may alternate between being logged-on the FC-AL or missing. Figure 2-4. Display of a FC-AL with two Fibre Channel Tape Controllers - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 36
2-6 Compaq StorageWorks Fibre Channel Troubleshooting Guide Uninitialized Fibre Channel Arbitrated Loop Display In the figure below, the FC-AL connected to the Updates For more information on Fibre Channel Arbitrated Loop, see additional white papers at www.compaq.com/support/techpubs/whitepapers. - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 37
Controller. It takes advantage of the built-in self test on the array controller to determine what subsystem is failing. The areas of test include of the normal Compaq Diagnostics for Windows 95/98 that executes on the Microsoft Windows 95/98 operating system. The first test mode is using a serial - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 38
3-2 Compaq StorageWorks Fibre Channel Troubleshooting Guide Compaq Fibre Channel Backup Diagnostics for Windows NT The Compaq Fibre Channel Diagnostics is a group of hardware diagnostic tests designed to the Compaq StorageWorks Enterprise Backup Solution. This is a subset of the normal Compaq - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 39
Fibre Channel Diagnostics for Windows CE is available on the SmartStart and Support Software CD. It is bundled with the Compaq Diagnostics for Windows 95/98. Create the installation diskettes by following the SmartStart instructions. To install the utility: 1. Remove all previous versions of Compaq - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 40
StorageWorks Fibre Channel Troubleshooting Guide Installing Compaq Fibre Channel Diagnostics for Windows 95 or 98 Compaq Fibre Channel Diagnostics for Windows 95/98 is available on the SmartStart and Support Software CD. Create the installation diskettes by following the SmartStart instructions - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 41
4 Chapter StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts This chapter contains troubleshooting flow charts that will help diagnose problems on a FC-AL in an RA4000 and RA4100 Storage System. The flow charts are listed by problem symptoms or troubleshooting procedures, as follows: - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 42
4-2 Compaq StorgeWorks Fibre Channel Troubleshooting Guide Overview of the Troubleshooting Flow Charts The following overview of the Fibre Channel Troubleshooting Flow Charts provides a logical approach to troubleshooting problems on the FC-AL. The Fibre Channel Fault Isolation Utility and the - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 43
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-3 A Use the Determining A Bad Link flow chart When using the Fibre Channel Fault Isolation Utility, were all Fibre Channel Array Controllers missing? Use the Checking the Link between the Yes Storage Hub 7 and the Fibre Channel - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 44
4-4 Compaq StorgeWorks Fibre Channel Troubleshooting Guide Verify System Operation Begin Verify that power has been applied to all devices on the FC-AL No Start the Fibre Channel Fault Isolation Utility - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 45
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-5 B Highlight a server in the Fault Isolation Utility Note: Loop errors may occur briefly as a result of starting the Fault Isolation Utility or adding or removing Fibre Channel Array Controllers. This is normal. Any errors in - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 46
StorgeWorks Fibre Channel Troubleshooting Guide Determine a Bad Link Begin Are Fibre Channel Array Controllers missing? Were FC-AL errors No detected? No Yes Done Are all Fibre Channel Array Controllers missing on a particular FC-AL? No Determine which Fibre Channel Array Controllers are - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 47
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-7 Some Fibre Channel Array Controllers Are Detected Begin Run the Fault Isolation utility. Determine which ALPAs are not shown by the utility. Is the Active LED blinking on the Fibre Channel Array Controller not returning an ALPA - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 48
4-8 Compaq StorgeWorks Fibre Channel Troubleshooting Guide C Is the recieve LED on? Yes Remove the server Host Adapter. Replace the GBIC. C1 If the device is the Fibre Channel Array Controller, is the Heartbeat LED blinking? See Appendix A. Yes First replace the GBIC. If no change, - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 49
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-9 C1 Are the active LEDs lit on the that power is applied to all devices on the loop. Return Yes Replace the GBIC. if the problem persists replace the storage Hub 7. No Did the utility program respond with an ALPA? Yes A device - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 50
4-10 Compaq StorgeWorks Fibre Channel Troubleshooting Guide Visual and Physical Inspection of the FC_AL Begin Check the seating of all GBICs and cable connectors on the FC-AL. Has the problem with the FC- Yes AL been corrected? No Remove each GBIC and check visually for any defects. Replace - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 51
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-11 D Check that cable connector is inserted into GBIC correctly. The cable connector ferrules must be inserted fully into the connector and not recessed. Check with the Fault Isolation Utility to see if the problem was corrected. - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 52
Fibre Channel Troubleshooting Guide Checking the Link Between the Storage Hub and the Fibre Channel Array Controller Begin Perform chart. Possible Fibre Channel Array problem. Check seating of the Did loopback test fail with an Yes Fibre Channel Array Controller. internal error message - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 53
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-13 E Run the loopback test on this GBIC. Go to the Fibre Channel Loopback Test flow chart. Did the loopback test fail with an internal error message? Possible Fibre Channel Array failure. Check seating of the Fibre Channel Array - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 54
4-14 Compaq StorgeWorks Fibre Channel Troubleshooting Guide E1 Attach loopback plug to the cable. Run the loopback test with this cable configuration. Go to the Fibre Channel Loopback Test flow chart. Did - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 55
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-15 Checking the Link Between the Storage from the Storage Hub 7 or Hub 12 to the Fibre Channel Array Controller. Use the flow chart on page 4-12 Another method to troubleshoot the GBICs and cable between the Storage Hub 7 or Hub 12 - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 56
Channel Troubleshooting Guide F Remove the GBIC from the other end of the cable. Place loopback plug on the end of the cable. Run the Fault Isolation Utility Observe the program display for errors. Were there errors? No Yes Possible Fibre Channel Host Bus Adapter failure. If the problem persists - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 57
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-17 Fibre Channel Loopback Test Begin The Fibre Channel Loopback test is a method to verify proper function of cables, GBICs and nodes of your Fibre Array system on an isolated link. The test consists of running a diagnostic utility - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 58
4-18 Compaq StorgeWorks Fibre Channel Troubleshooting Guide G Did the test pass? No Yes Insert the Fibre Channel cable into the GBIC at the G1 Fibre Array. Insert the Loopback plug into the connector of the Fibre Channel cable. Run the diagnostics utility on the laptop or other computer. - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 59
StorageWorks RAID Array 4000 and 4100 Troubleshooting Flow Charts 4-19 G1 GBIC not plugged-in error? No Yes Reseat the GBIC. Return to page 4-17 to begin the Fibre Channel Loopback Test - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 60
on a FC-AL in a Secondary Storage System. The flow charts are listed by problem symptoms or troubleshooting procedures, as follows: I Overview of the Troubleshooting Flow Charts (page 5-2) I Verifying FC-AL Operation (5-4) I Determining a Bad Link (5-6) I Some Fibre Channel Tape Controllers are - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 61
5-2 Compaq StorageWorks Fibre Channel Troubleshooting Guide Overview of the Troubleshooting Flow Charts The following overview of the Fibre Channel Troubleshooting Flow Charts provides a logical approach to troubleshooting problems on the FC-AL. The Fibre Channel Fault Isolation Utility and the - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 62
Secondary Storage System Troubleshooting Flow Charts 5-3 A Run the Fibre Channel Fault Isolation Utility. Were all Fibre Channel Tape Controllers missing? No Were some Fibre Channel Tape Controllers missing? No - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 63
5-4 Compaq StorageWorks Fibre Channel Troubleshooting Guide Verifying FC_AL Operation Begin Verify that power has been applied to all devices on the FC-AL. Ensure that each Host Bus Adapter is fully - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 64
B Highlight a server in the Fault Isolation Utility. Secondary Storage System Troubleshooting Flow Charts 5-5 Note: Loop errors may occur briefly as a result of starting the Fault Isolation Utility or adding or removing Fibre Channel Tape Controllers. This - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 65
5-6 Compaq StorageWorks Fibre Channel Troubleshooting Guide Determining a Bad Link Begin Are Fibre Channel Tape LED on each Yes Tape Controller will blink on all working Tape Controller. To troubleshoot the missing Tape Controller, go to Checking the Link between the Fibre Channel Storage - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 66
Secondary Storage System Troubleshooting Flow Charts 5-7 Some Fibre Channel Tape Controllers are Detected Begin Run the Fault Isolation utility. Determine which ALPAs are not shown by the utility. Is - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 67
5-8 Compaq StorageWorks Fibre Channel Troubleshooting Guide B1 Are any Bypass LEDs ( Guide for details. Is the Fibre Channel LED flickering on the Fibre Channel Tape Controller? Refer to Appendix A for the location of the LED. Yes If the problem persists, try new components or seek Compaq Service - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 68
Secondary Storage System Troubleshooting Flow Charts 5-9 Visual and Physical Inspection of the FC_AL Begin Check the seating of all GBICs and cable connectors on the FC-AL. Is the - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 69
10 Compaq StorageWorks Fibre Channel Troubleshooting Guide C1 Verify the Cable connector is inserted into GBIC correctly. The cable connector ferrules must be inserted fully into the connector and not recessed. Check the FC-AL with the Fibre Channel Fault Isolation Utility to see if the problem was - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 70
12 and the Fibre Channel Host Bus Adapter Begin Perform a visual and physical inspection of the FC-AL. Use the flow chart on page 5-9. To troubleshoot the GBICs and cable between the Storage Hub 12 and Fibre Channel Host Bus Adapter, replace them with new components. Once the replacement is made - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 71
12 Compaq StorageWorks Fibre Channel Troubleshooting Guide D1 Place loopback plug, with crossover, on the end of the cable. Run the Fault Isolation Utility. Observe the program display for errors. Were there any errors? If the problem persists, try new No components or seek Compaq Service. Yes - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 72
Secondary Storage System Troubleshooting Flow Charts 5-13 Checking the Link Between the Storage Hub the link. Replace the GBIC or the cable and run the Fault Isolation Utility to see if the problem still exists. Is the FC-AL functioning Yes normally? No Connect a cable to the Fibre Channel Tape - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 73
? Yes Replace the GBIC at the Storage Hub 12. Possible Tape Controller failure. Refer No to the Compaq Fibre Channel Tape Controller User Guide for additional troubleshooting information. Were there any errors? No Yes If the problem persists, try new components or seek Compaq Service. Done - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 74
A Appendix Primary and Secondary Storage System LEDs This section describes the LEDs found in a Compaq StorageWorks RA4000, RA4100, or Enterprise Backup Solution. The LEDs described in this Appendix can be used to determine normal operation or fault conditions depending on their - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 75
A-2 Fibre Channel Troubleshooting Guide Receive LED Transmit LED Figure A-2. Fibre Channel Host Bus Adapter/E RA4000 Controller During normal operation, the RA4000 Controller has 18 LEDs that indicate activity or - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 76
Activity/Error Off = No Cache activity Blinking = Cache transfer pending 15 Drive Failure On = A configured hard drive has failed in the array Transmit LED Transmit Mode RA4000 Controller is transmitting data over the FC-AL Receive LED Receive Mode RA4000 Controller is receiving data from - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 77
A-4 Fibre Channel Troubleshooting Guide Figure A-5. Bypass Mode LEDs Storage Hub 12 When power is applied, all LEDs will turn on during the self-test, which lasts 15 to 60 - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 78
Primary and Secondary Storage System LEDs A-5 The upper green LED is the GBIC-installed LED. This LED turns on when a GBIC module is installed. 2 G B Figure A-7. GBIC-Installed LED The lower amber LED is the Bypass Port LED, which indicates that the associated port is in bypass mode. Ports that do - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 79
A-6 Fibre Channel Troubleshooting Guide Fibre Channel Tape Controller Figure A-9 shows the location of the LEDs found on the rear panel of the Fibre Channel tape controller. 3 1 4 2 5 Figure A-9. Fibre Channel - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 80
II The following illustration shows the location of the status lights (LED indicators) that monitor the operating status of the Compaq StorageWorks Fibre Channel Tape Controller II. 3 1 4 2 5 6 Figure A-10. Fibre Channel Tape Controller II rear panel status lights Table A-3 Rear Panel Status - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 81
B Appendix GBIC and Fibre Channel Cable Connector Cleaning Considerations This appendix contains important information about the risk of optic contamination of both GBIC modules and Fibre Channel cable connectors. Optics are susceptible to anything that hinders light transmission. Consequently, - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 82
Index A ALPA See Arbitrated Loop Physical Address Arbitrated Loop Physical Address 2-1, 2-2 B bridge 1-20 C Cable option kits 1-11 cables connecting 1-14, 1-16 removing 1-13, 1-15 chassis 1-13, 1-16 Checking the Link Between the Storage Hub 12 and the Fibre Channel Tape Controller secondary storage - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 83
StorageWorks Fibre Channel Troubleshooting Guide FFIU See Fibre Channel Fault Isolation Utility Fiber Channel Tape Controller II description 1-20 Fibre Channel Arbitrated Loop See FC_AL shown unitialized 2-6 Fibre Channel cable option kits description 1-11 Fibre Channel Disk Array management support - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 84
between hub and host bus adapter 4-15 determine bad link 4-6 Fibre Channel Array Controllers detected 4-7 fibre channel loopback test 4-17 overview 4-2 verify system operation clean B-1 overview primary storage flow charts 4-2 Overview of the Secondary Storage System Troubleshooting Flow Charts 5-2 - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 85
4 Compaq StorageWorks Fibre Channel Troubleshooting Guide P panels rear 1-14 PCI (/P) 2-2 bus 1-4 Host Bus Adapter 2-2 PCI bus See PCI PLDA 1-20 power status light A-7 primary storage flow chart overview 4-2 some Fibre Array Controllers are detected 4-7 verify system operation 4-4 primary storage - HP StorageWorks 4000 | Compaq StorageWorks Fibre Channel Troubleshooting Guide - Page 86
V verify system operation primary storage flow chart 4-4 Index 5 W When to Clean Fiber Optic Components B-1 www.compaq.com 1-20
Fibre Channel
Troubleshooting Guide
Sixth Edition (January 2000)
Part Number 297877-006
Compaq Computer Corporation