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Bug #13674
closedAvoid re-writing old-format image header on resize
Status:
Resolved
Priority:
Normal
Assignee:
Jason Dillaman
Target version:
-
% Done:
0%
Source:
other
Tags:
Backport:
infernalis,hammer,firefly
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
Race conditions are possible between snapshot creation and resize operations (especially if there are issues with watch/notify preventing a header re-read). For example, if a stale snapshot sequence is written to the header, the image will no longer be able to be opened:
librbd: image snap context is invalid!(5) Input/output error
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