"zpool iostat -v" Output Ordering is Incorrect After Adding New VDEVs to a ZFS Pool with Existing LOG or CACHE Devices

(Doc ID 1990027.1)

Last updated on JULY 29, 2016

Applies to:

Solaris Operating System - Version 10 8/07 U4 and later
Information in this document applies to any platform.

Symptoms

Should the issue described in this document be encountered, the output displayed by 'zpool iostat -v' will imply one or more main pool data vdevs (Virtual Devices) are either LOG or CACHE devices when they are not.  This only occurs if new data vdevs are added after the LOG or CACHE devices.  In the following example, a new data vdev was added to an existing pool.  'zpool status' shows the correct pool configuration:

From the pool history:

 

Changes

 This issue only occurs if new data vdevs are added after the LOG or CACHE devices.

Cause

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