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ZFS Pool Recovery: "zpool status" reports "One or more devices could not be used because the label is missing or invalid." (Doc ID 1516050.1)

Last updated on JUNE 06, 2018

Applies to:

Solaris Operating System - Version 10 3/05 and later
Information in this document applies to any platform.

Symptoms

There are two commands which will show this scenario.  The first is 'zpool status' which shows a status of "One or more devices could not be used because the label is missing or invalid", eg:

 

Cause

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In this Document
Symptoms
Cause
Solution
 Step #1 - Data Collection
 Step #2 - Review the data looking for errors
 Step #3 - Validating the VTOC Type and Geometry
 Step #4 - Understanding the on-disk VDEV Label format
 Step #5 - Look at the on-disk corruption within the vdev labels
 Step 5.1 - Confirm all 4 labels are identical
 Step 5.2 - Look at the raw labels using zdb (1M) and xxd(1M)
 Step 5.3 - Importing the pool
 Step #6 - Identifying the pool belonging to the rogue Uberblocks
  Step #7 - How did this happen?
References

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