Recovering From An Sshd_Service Service Error; Control Enclosure-Related Issues; Recovering When File Volumes Come Back Online; Recovering When A File Volume Does Not Come Back Online - IBM Storwize V7000 Unified Series Problem Determination Manual

Recovering from an sshd_service service error

Use this procedure to recover from an sshd_service service error.
This recovery procedure starts the sshd_service when it is down.
1. Log in as root.
2. Issue the service sshd_service start command.
3. If the problem persists, restart the node.
4. If the restart action does not resolve the issue, contact the next level of support.

Control enclosure-related issues

This section covers the recovery procedures that involve control enclosure issues.

Recovering when file volumes come back online

Use this procedure to recover a file system after all the file volumes are back
online after a repair or recovery action.
Each fix procedure that brings the file volumes back online also suggests that you
run this procedure. This procedure checks that the file systems have also come
back online.
Perform the following steps to check that the file systems are back online after
their file volumes are back online following an outage.
1. In the management GUI, check that all volumes are back online.
2. Go to Monitoring > Events and click the Block tab.
3. Run any Next recommended action.
4. When all volumes are back online, go to Filesystems in the management GUI.
5. If any file systems are not online, recover them by using the recover a GPFS file
6. If there are file systems that have not come back online, go to Monitoring >
7. If there are any stale NFS handle errors for the offline file systems, follow the

Recovering when a file volume does not come back online

An offline volume can normally be fixed by performing the fix procedures in the
management GUI.
To run the fix procedures, perform the following steps:
1. Log in to the Storwize V7000 Unified management GUI.
2. Go to Monitoring > Events and click the Block tab.
3. Run any Next recommended action.
If the fix procedures do not bring back a file system volume online, contact your
service provider for assistance.

Recovering from a 1001 error code

A 1001 error code indicates that the Storwize V7000 control enclosure has
automatically performed a recovery. The control enclosure CLI is now restricted to
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system procedure. See "Recovering a GPFS file system" on page 167.
Events and click the File tab to fix any errors.
"Working with file modules that report a stale NFS file handle" on page 258.