Sun Microsystems 3900, 6900 manual

Contents

Main Please Recycle Contents Page Page Page Page Page List of Figures Page Page Page List of Tables Page Preface How This Book Is Organized Using UNIX Commands Typographic Conventions Shell Prompts AaBbCc123 Related Documentation Page Page Introduction Predictive Failure Analysis (PFA) Capabilities General Troubleshooting Procedures High-Level Troubleshooting Tasks Page Page Note Host-Side Troubleshooting Storage Service Processor-Side Troubleshooting Verifyingthe Configuration Settings To Verify Configuration Settings Note Page 2. If anything is marked FAIL, check the /var/adm/log/SEcfglog file for the details of the failure. Clearing the Lock File To Clear the Lock File Note Chapter 2 General Troubleshooting Procedures 11 Sun StorEdge 6900 Series Multipathing Example FIGURE2-1 Sun StorEdge 6900 Series Logical View This Sun StorEdge 6900 series multipathing example contains the following elements: See FIGURE2-1 for a logical view of the Sun StorEdge 6900 series. 12 Sun StorEdge 3900 and 6900 2.0 Series Troubleshooting Guide March 2003 array. Chapter 2 General Troubleshooting Procedures 13 FIGURE2-3 Primary Data Paths to the Master Sun StorEdge T3+ Array Toaccess the LUN on the alternate master, the Sun StorEdge T3+ array I/O could travel: From HBA-0 -> switch -> virtualization engine(1) -> switch -> alternate master > backend loop to alternate master (secondary route from HBA-1) controller (primary route from HBA-0) From HBA-0 -> switch -> virtualization engine(1) -> switch -> switch -> master 14 Sun StorEdge 3900 and 6900 2.0 Series Troubleshooting Guide March 2003 Page Multipathing Options in the Sun StorEdge 6900 Series Manually Halting the I/O To Quiesce the I/O To Unconfigure the c2 Path Suspending the I/O Note Caution To Put the c2 Path Back into Production To View the Dynamic Multi-Pathing (DMP) Properties Both of these paths are currently enabled with DMP. 1. Type: The vxdisk output includes two physical paths to the LUN: 2. Use the luxadm(1M) command to display further information about the underlying LUN. Page Troubleshooting Tools Storage Automated Diagnostic Environment 2.2 Example Topology Generating Component-Specific Event Grids To Customize an Event Report Microsoft Windows 2000 System Errors Command Line Test Examples qlctest(1M) switchtest(1M) Monitoring Sun StorEdge T3 and T3+ Arrays Using the Explorer Data Collection Utility To Install the Explorer Data Collection Utility on the Storage Service Processor Caution Example Note Page Monitoring Host Bus Adapters (HBAs) Using QLogic SANblade Manager Page Note Troubleshooting Ethernet Hubs Note Page Troubleshooting the Fibre Channel (FC) Links Note FC Links Note FC Link Diagrams Page Chapter 5 Troubleshooting the Fibre Channel (FC) Links 41 FIGURE5-2 Sun StorEdge 6900 Series FC Link Diagram Troubleshooting the A1 or B1 FC Link events. Note Page FRU Tests Available for the A1 or B1 FC Link Note To Isolate the A1 or B1 FC Link Troubleshooting the A2 or B2 FC Link Page Chapter 5 Troubleshooting the Fibre Channel (FC) Links 51 CODEEXAMPLE 5-4. Sun StorEdge 3900 and 6900 Series 2.0 Reference and Service Guide. Note Verifying the A2 or B2 FC Link FRU Tests Available for the A2 or B2 FC Link To Isolate the A2 or B2 FC Link Note 54 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March 2003 Troubleshooting the A3 or B3 FC Link FIGURE5-8,FIGURE 5-9, and FIGURE 5-10 are examples of A3 or B3 link notification events. Page 56 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March 2003 Verifying the Storage Service Processor-Side FRU Tests Available for the A3 or B3 FC Link To Isolate the A3 or B3 FC Link Note Quiescing the I/O on the A3 or B3 Link Suspending the I/O on the A3 to B3 Link Caution 60 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March 2003 Troubleshooting the A4 or B4 FC Link but an error with the FC link can cause a path to go offline. FIGURE5-11 and FIGURE5-12 are examples of A4 or B4 Link Notification Events. Chapter 5 Troubleshooting the Fibre Channel (FC) Links 61 Sun StorEdge 3900 Series Sun StorEdge 6900 Series Note Chapter 5 Troubleshooting the Fibre Channel (FC) Links 63 Note cfgadm, as shown in CODEEXAMPLE 5-8. FRU Tests Available for the A4 or B4 FC Link To Isolate the A4 or B4 FC Link Page Page Troubleshooting Host Devices Using the Host Event Grid To Access the Host Event Grid Page Page Page Replacing the Master, Alternate Master, and Slave Monitoring Host Note To Replace the Master Host To Replace the Alternate Master or Slave Monitoring Host Note Troubleshooting Switches About the Switches Caution Zone Modifications Switchless Configurations Diagnosing and Troubleshooting Switch Hardware Problems Note Page Using the Switch Event Grid To Use the Switch Event Grid 16 1 Gbit switches. Page Page Page 16 2 Gbit switches. Page Page setupswitch Exit Values the /var/adm/log/SEcfglog file. Page Troubleshooting the Sun StorEdge T3+ Array Devices Troubleshooting the T1 or T2 Data Path Notification Events 90 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March 2003 ...continued on next page... Chapter 8 Troubleshooting the Sun StorEdge T3+ Array Devices 91 ...continued from previous page... To Verify the Storage Service Processor Chapter 8 Troubleshooting the Sun StorEdge T3+ Array Devices 93 FRU Tests Availablefor the T1 or T2 Data Path FRU Environment After a test has completed its run, an email message similar to the message in FIGURE8-4 is sent to the specified email recipient. To Isolate the T1 or T2 Data Path Sun StorEdge T3+ Array Event Grid To Use the Sun StorEdge T3+ Array Event Grid Page Page Page Page Page Page Page Page Page Page Page Troubleshooting Virtualization Engine Devices About the Virtualization Engine Virtualization Engine Diagnostics Service Request Numbers (SRNs) Service and Diagnostic Codes Retrieving Service Information CLI Interface Error Log Analysis Commands To Display the Log Files and Retrieve SRNs A description of the errors follows. Errors that need action are returned in the following format: Example Virtualization Engine LEDs Power LED Codes Interpreting LED Service and Diagnostic Codes Back Panel Features Ethernet Port LEDs The Ethernet port LEDs indicate the speed, activity,and validity of the link, shown in FC Link Error Status Report To Check the FC Link Error Status Manually Note error message is displayed: Daemon error: check the SLIC router. Note Translating Host-Device Names Displaying the VLUN Serial Number To Display Devices That are Not Sun StorEdge Traffic Manager (MPxIO)-Enabled To Display Sun StorEdge Traffic Manager (MPxIO)-Enabled Devices 118 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March 2003 Viewing the VirtualizationEngine Map old information. Note Page To Failback the Virtualization Engine Note Page Page Manually Clearing and Restoring the SAN Database Caution To Reset the SAN Database on Both Virtualization Engines To Reset the SAN Database on a Single Virtualization Engine Restarting the slicd Daemon To Restart the slicd Daemon Page Page Diagnosing a creatediskpools(1M) Failure Page Page Virtualization Engine Event Grid To Use the Virtualization Engine Event Grid Page Page Page Page Troubleshooting Using Microsoft Windows 2000 General Notes Page Checking the Version of the Sun StorEdge T3+ Array Failover Driver Note To Use the Sun StorEdge T3+ Array Failover Driver GUI Page Note To Use the Sun StorEdge T3+ Array Failover Driver Command Line Interface (CLI) jafo_nutil.exe interface. 3900 Series jafo_nutil.exe interface. StorEdge 6900 Series 6910 series system. Page Example of Fault Isolation Page Page Page Page Page Page Note A Virtualization Engine References SRN Reference Page Page Page SRN/SNMP Single Point-of-Failure Descriptions associated Service Request Numbers (SRNs), and recommendations for corrective action. Port Communication Numbers Virtualization Engine Service Codes engine, along with recommendations for corrective action: Page Page B Configuration Utility Error Messages Virtualization Engine Error Messages Page Page Page Switch Error Messages Page Page Sun StorEdge T3+ Array Partner Group Error Messages Caution data on the Sun StorEdge T3+ array. Page Page Page Other Error Messages Page Abbreviations and Acronyms This list contains definitions for acronyms used in this troubleshooting guide. Page Index NUMERICS A C D E F H I L M N P Q T V W