ZFS Storage Appliance (ZFSSA) may not Bring in a Hot Spare or Create an Alert when a Disk Goes Into UNAVAILABLE State (Doc ID 2291468.1)

Last updated on JULY 28, 2017

Applies to:

Sun ZFS Storage 7420 - 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 7120 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS4-4 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS5-4 - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

The ZFS filesystem will mark the disk as "Unavailable", which in turn will not create a fault, will not invoke a spare, and will leave disks as "Unavailable".

On the ZFS Storage Appliance, this condition will be seen as a degraded pool without corresponding problems or faults.

You can use the attached workflow to determine if any of your filesystems are affected by this issue. Download the file, navigate to Maintenance/Workflows in the BUI, and then click the "+" symbol to upload the workflow to the ZFSSA. Once this is done, double click the workflow in the BUI to check your system.

Changes

 This problem is known to occur on software versions 8.6 (Version string ak-2013.06.05.6.x) and below.

Cause

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