Troubleshooting Using Raidar - R/Evolution 2000 Series Troubleshooting Manual

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CH A P T E R

Troubleshooting Using RAIDar

This chapter describes how to use RAIDar to troubleshoot your storage system and
its FRUs. It also describes solutions to problems you might experience when using
RAIDar.
Topics covered in this chapter include:
"Problems Using RAIDar to Access a Storage System" on page 36
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"Determining Storage System Status and Verifying Faults" on page 37
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"Stopping I/O" on page 38
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"Clearing Metadata From Leftover Disk Drives" on page 39
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"Isolating Faulty Disk Drives" on page 40
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"Isolating Data Path Faults" on page 45
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"Changing PHY Fault Isolation Settings" on page 54
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"Using Recovery Utilities" on page 56
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"Problems Scheduling Tasks" on page 59
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"Selecting Individual Events for Notification" on page 61
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"Selecting or Clearing All Events for Notification" on page 62
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"Correcting Enclosure IDs" on page 63
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"Problems After Power-On or Restart" on page 63
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Note -
"Troubleshooting Using the CLI" on page 117 provides information on specific CLI
commands that can be used to troubleshoot your system.
You can also use the CLI to troubleshoot your storage system.
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