Oracle ZFS Storage Appliance: Reboot "Unexpectedly found SAS zone locks held"

(Doc ID 2262465.1)

Last updated on NOVEMBER 14, 2017

Applies to:

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]
Oracle ZFS Storage ZS3-4 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS4-4 - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

ZFS Array running code version AK 8.5.0 (2013.1.5.0) unexpectedly rebooted, but did not panic.

 

Examining akd.ak.txt at the time of the reboot you find:

 

It was thought that forcing a crash dump rather than a reboot would provide more information on the cause of the zone lock issue.

But, anything that delays the reboot of this node runs the risk of inducing a split brain condition.

 

Cause

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