Recovering from Storage Subsystem Problems

Use the Recovery Guru to help pinpoint the cause of a problem with the Storage Subsystem and to obtain instructions on how to correct the problem. Where necessary, use the hardware documentation in conjunction with the recovery steps to replace failed components.

Problem Notification

Indicators of a Storage Subsystem problem include:


How to Recover from Storage Subsystem Problems

1 From the Subsystem Management Window, do one of the following:
  • Select the Recovery Guru toolbar button .
  • Select the Storage Subsystem >> Recovery Guru pull-down menu option.
  • Use the right mouse button to select the Storage Subsystem in the Logical View. Then, select Recovery Guru from the pop-up menu.

    Result: The Recovery Guru window is displayed. The Recovery Guru window is divided into three Views, Summary, Detail, and Recovery Steps, described in Recovery Guru Views in this help topic.
2 Select the first problem shown in the Summary area, then follow the Recovery Steps to correct it. Repeat for each listed problem.

Result: If all problems have been corrected, the Storage Subsystem icon will eventually transition from Needs Attention to Optimal. There are certain problems where a Fixing icon will display while an operation such as reconstruction is in progress.
3 Select Recheck to verify the success of the completed recovery procedure.

Recovery Guru Views

Summary View

The Summary area, shown below, presents a list of Storage Subsystem problems.



Multiple problems within a Storage Subsystem can be related. And, in this case, the order in which the problems are corrected can affect the outcome. Select and correct the problems in the order that they are listed in the Summary area.

Note:
Multiple power supply canister failures are grouped and listed as one problem in the Summary area. Multiple fan canister failures are also listed as one problem.

Details View

The Details View, shown below, displays information about the selected problem in the Summary area.

Note: You can use standard keyboard cut, copy, and paste commands on text in this area.

Problem Type Information Shown
All
  • Storage Subsystem name
Controller
  • Slot identification (where applicable, the appropriate controller slot (A or B) is listed)
  • Channel ID, for failed drive SCSI channels
  • Serial number of controller
Logical Drive
Drive
  • Drive Enclosure Identification
  • Affected drive slots, listing slot numbers
Hardware Components
  • Component type
  • Drive Enclosure Identification
Recovery Steps View

The Recovery Steps View lists the appropriate steps to follow for the selected problem in the Summary area.

Note: You can use standard keyboard cut, copy, and paste commands on text in this area.

There are four headings or statements that may appear in a recovery procedure, described in the table below.

Heading Description
What Caused the Problem? Summarizes the likely causes of the problems
Caution Lists instructions or information that can prevent data loss, service interruption, or component problems
Important Notes Lists important information about the recovery process that should be read before proceeding with the recovery steps
Recovery Steps Lists appropriate steps for a selected problem
Saving Recovery Information to a Text File

1 Select Save As.

Result:
The Save dialog is displayed.
2 Select the subdirectory location to save the file to, type the name of the file in the appropriate text box, and select OK.

Result: The Save dialog is closed and the file is saved in HTML format. The file contains all of the information in the Details and Recovery Procedure areas.