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Bug #16553
openRemoving Writeback Cache Tier Does not clean up Incomplete_Clones
Status:
New
Priority:
Normal
Assignee:
-
Category:
Tiering
Target version:
-
% Done:
0%
Source:
other
Tags:
Backport:
Regression:
No
Severity:
2 - major
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(RADOS):
Monitor
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
It seem that the issue related to bug #8882 still happen on Infernalis (v9.2.1). After removing the writeback cache by following procedure on http://docs.ceph.com/docs/infernalis/rados/operations/cache-tiering/ the ex cachepool become has incomplete_clones flag and still leaves min_read_recency_for_promote and min_write_recency_for_promote flags. Beside, the ex storagepool become has lfor flag. Due to this condition (especially incomplete_clones flag on ex cachepool), I cannot use the same cachepool to build new cache tier with following error message.
Error ENOTEMPTY: tier pool {cachepool} has snapshot state; it cannot be added as a tier without breaking the pool
Anyway, I can delete this ex cachepool.
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