Oracle ZFS Storage Appliance: Pool Will Not Import Due To One Or More Failed Logzilla Drives

Asset ID:	1-72-2045675.1
Update Date:	2016-01-15
Keywords:

Solution Type Problem Resolution Sure

Solution 2045675.1 : Oracle ZFS Storage Appliance: Pool Will Not Import Due To One Or More Failed Logzilla Drives

Applies to:

Oracle ZFS Storage ZS3-4 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS3-BA - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7320 - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7420 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS3-2 - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

After Array Power cycle or unexpected power event or power down for maintenance the array boots but a pool is not available and is shown as faulted.

Changes

Because of the power event, one or more logzilla drives have become faulted.

Cause

Log drive(s) (logzillas) do not come up after a power cycle.

Solution

Oracle support will need to be contacted in order to resolve this issue.

The pool will have to have the log drives removed to correct the issue and then the replacement drives will have to be re-added to the pool when replaced.

Support we have the following wiki internal document for resolving this issue:

https://stbeehive.oracle.com/teamcollab/wiki/AmberRoadSupport:Data+recovery+-+how+to+import+a+pool+with+a+missing+logzilla

This bug is the central bug for this issue: Bug 20511577 - appliance's forceful shutdown induced bad logzilla to fail pool import on boot

Attachments

This solution has no attachment