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Fix double spares for failed vdev

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It's possible for two spares to get attached to a single failed vdev.
This happens when you have a failed disk that is spared, and then you
replace the failed disk with a new disk, but during the resilver
the new disk fails, and ZED kicks in a spare for the failed new
disk.  This commit checks for that condition and disallows it.

Reviewed-by: Akash B <akash-b@hpe.com>
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes: #16547
Closes: #17231
This commit is contained in:
Tony Hutter
2025-05-02 09:03:11 -07:00
committed by GitHub
parent 3b18877269
commit f40ab9e399
4 changed files with 209 additions and 4 deletions
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tests/runfiles/linux.run
+4 -4
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@@ -123,10 +123,10 @@ 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_replace_002_pos', 'auto_spare_001_pos',
'auto_spare_002_pos', 'auto_spare_multiple', 'auto_spare_ashift',
'auto_spare_shared', 'decrypt_fault', 'decompress_fault',
'fault_limits', 'scrub_after_resilver', 'suspend_on_probe_errors',
'suspend_resume_single', 'zpool_status_-s']
'auto_spare_002_pos', 'auto_spare_double', 'auto_spare_multiple',
'auto_spare_ashift', 'auto_spare_shared', 'decrypt_fault',
'decompress_fault', 'fault_limits', 'scrub_after_resilver',
'suspend_on_probe_errors', 'suspend_resume_single', 'zpool_status_-s']
tags = ['functional', 'fault']
[tests/functional/features/large_dnode:Linux]