Oracle ZFS Storage Appliance: AK Software (and Solaris 10/11) may intermittently experience Write Hangs during Snapshot Destroys or Replication (Doc ID 2064305.1)

Last updated on FEBRUARY 10, 2016

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

Symptoms

 Input / Output activity to a ZFS pool appears hang and the pool is non-responsive.  On ZFSSA arrays the array itself may appear unresponsive.

 

Changes

There is known snapshot deletion activity or there is replication activity in progress.

 

Cause

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