ENOSPC (errno 28) on tiny zpool even if it does not appear to be full (Doc ID 2064664.1)

Last updated on JULY 29, 2016

Applies to:

Solaris Operating System - Version 10 3/05 and later
Oracle Solaris on SPARC (32-bit)
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86 (32-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

- tiny zpool (less than 8G)

- fma showing ereport.fs.zfs.data events for the zpool with

      zio_err = 28

  but a zpool status show the zpool is not full or close to full

- thread stuck in zio_wait

Cause

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