IBM Storwize V7000, Руководство по устранению неисправностей и техническому обслуживанию

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T3 recovery completed with errors: One or more of the volumes are offline
because there was fast write data in the cache. To bring the volumes online, see
“Recovering from offline VDisks using the CLI” for details.
v
T3 failed
Call IBM Support. Do not attempt any further action.
Verify the environment is operational by performing the checks provided in “What
to check after running the system recovery” on page 77.
If any errors are logged in the error log after the system recovery procedure
completes, use the fix procedures to resolve these errors, especially the errors
related to offline arrays.
If the recovery completes with offline volumes, go to “Recovering from offline
VDisks using the CLI.”
Recovering from offline VDisks using the CLI
If a Tier 3 recovery procedure completes with offline VDisks (volumes), then it is
likely that the data which was in the write-cache of the node canisters was lost
during the failure that caused all of the node canisters to lose the block storage
system cluster state. You can use the command-line interface (CLI) to acknowledge
that was lost data lost from the write-cache and bring the volume back online so
that you can attempt to deal with the data loss.
About this task
If you have performed the recovery procedure, and it has completed successfully
but there are offline volumes, you can perform the following steps to bring the
volumes back online. Any volumes that are offline and are not thin-provisioned (or
compressed) volumes are offline because of the loss of write-cache data during the
event that led all node canisters to lose their cluster state. Any data lost from the
write-cache cannot be recovered. These volumes might need additional recovery
steps after the volume is brought back online.
Note: If you encounter errors in the error log after running the recovery procedure
that are related to offline arrays, use the fix procedures to resolve the offline array
errors before fixing the offline volume errors.
Example
Perform the following steps to recover an offline volume after the recovery
procedure has completed:
1. Delete all IBM FlashCopy
®
function mappings and Metro Mirror or Global
Mirror relationships that use the offline volumes.
2. Run the
recovervdisk
or
recovervdiskbysystem
command. (This will only bring
the volume back online so that you can attempt to deal with the data loss.)
3.
Refer to “What to check after running the system recovery” on page 77 for
what to do with volumes that have been corrupted by the loss of data from the
write-cache.
4. Recreate all FlashCopy mappings and Metro Mirror or Global Mirror
relationships that use the volumes.
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Storwize V7000: Troubleshooting, Recovery, and Maintenance Guide