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Bug 2092843

Summary:	rbd-mirror: primary snapshot in-use by replayer can be unlinked and removed [5.1z2]
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Ilya Dryomov <idryomov>
Component:	RBD-Mirror	Assignee:	Ilya Dryomov <idryomov>
Status:	CLOSED ERRATA	QA Contact:	Vasishta <vashastr>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	5.1	CC:	akraj, ceph-eng-bugs, tserlin, vashastr, vereddy
Target Milestone:	---
Target Release:	5.1z2
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	ceph-16.2.7-119.el8cp	Doc Type:	Bug Fix
Doc Text:	Cause: As a result of an internal race condition, the mirror snapshot that is still in-use by rbd-mirror daemon on the secondary cluster could be removed. Consequence: Snapshot-based mirroring process for the affected image would stop, reporting a "split-brain" error. Fix: The mirror snapshot queue was extended in length and the mirror snapshot cleanup procedure was amended accordingly. Result: Mirror snapshots that are still in-use by rbd-mirror daemon on the secondary are not removed. Snapshot-based mirroring process does not stop.	Story Points:	---
Clone Of:	2092838	Environment:
Last Closed:	2022-06-30 20:54:48 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Comment 9 errata-xmlrpc 2022-06-30 20:54:48 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Red Hat Ceph Storage 5.1 Bug Fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:5450