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 JANUARY 12, 2024

Applies to:

Solaris Operating System - Version 10 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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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)

Applies to:

Symptoms

Cause

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