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Fix ZED auto-replace for VDEVs using by-id paths

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The change is simple -- restore the original code so that the VDEV 
path is updated when using by-id paths.  The more challenging part 
was to devise a second ZTS test, that would test auto-replace for 
'by-id' and help prevent a future regression.

With that new test, we can now do an A|B test with , and without, 
the fix to confirm that auto-replace for by-id paths works. The 
existing auto-replace test, functional/fault/auto_replace_001_pos, 
will confirm that we didn't break auto-replace for 'by-vdev' paths.

In the original functional/fault/auto_replace_001_pos test, the disk 
wipe (using dd) was not effective in removing the partitioning since 
the kernel was never informed of the wipe.

Added a call to wipefs(8) so that the kernel is informed and ZED will 
re-partition the device.
    
Added a validation step that the re-partitioning occurred by
confirming  that the GPT partition UUID changes.

Sponsored-By: OpenDrives Inc.
Sponsored-By: Klara Inc.
Reviewed-by: Rob Norris <rob.norris@klarasystems.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Don Brady <don.brady@klarasystems.com>
Closes #15363
This commit is contained in:
Don Brady
2023-10-20 10:29:02 -06:00
committed by GitHub
parent c0e58995e3
commit f0f330e121
9 changed files with 279 additions and 35 deletions
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tests/runfiles/linux.run
+4 -4
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@@ -122,10 +122,10 @@ tags = ['functional', 'fallocate']
[tests/functional/fault:Linux]
tests = ['auto_offline_001_pos', 'auto_online_001_pos', 'auto_online_002_pos',
'auto_replace_001_pos', 'auto_spare_001_pos', 'auto_spare_002_pos',
'auto_spare_multiple', 'auto_spare_ashift', 'auto_spare_shared',
'decrypt_fault', 'decompress_fault', 'scrub_after_resilver',
'zpool_status_-s']
'auto_replace_001_pos', 'auto_replace_002_pos', 'auto_spare_001_pos',
'auto_spare_002_pos', 'auto_spare_multiple', 'auto_spare_ashift',
'auto_spare_shared', 'decrypt_fault', 'decompress_fault',
'scrub_after_resilver', 'zpool_status_-s']
tags = ['functional', 'fault']
[tests/functional/features/large_dnode:Linux]