"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 MARCH 17, 2021
Applies to:Solaris Operating System - Version 10 8/07 U4 to 11.2 [Release 10.0 to 11.0]
Information in this document applies to any platform.
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:
This issue only occurs if new data vdevs are added after the LOG or CACHE devices.
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