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Bug 563924

Summary:	Potential for deadlock when snapshots are taken of mirrors
Product:	Red Hat Enterprise Linux 5	Reporter:	Jonathan Earl Brassow <jbrassow>
Component:	lvm2	Assignee:	LVM and device-mapper development team <lvm-team>
Status:	CLOSED WONTFIX	QA Contact:	Cluster QE <mspqa-list>
Severity:	medium	Docs Contact:
Priority:	low
Version:	5.5	CC:	agk, dwysocha, heinzm, iannis, jbrassow, mbroz, prockai
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	563927 (view as bug list)		Environment:
Last Closed:	2011-10-21 16:16:43 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:
Bug Depends On:
Bug Blocks:	563927

Description Jonathan Earl Brassow 2010-02-11 15:31:10 UTC

From comment #23 of bug 220570:
Note: there is a deadlock bug when mirror leg fails at the same time when the
snapshot is created or deleted.

Message posted on this topic on dm-devel:
https://www.redhat.com/archives/dm-devel/2009-November/msg00055.html

Comment 1 Milan Broz 2011-10-21 16:16:43 UTC

Snapshots of mirrors are not supported in RHEL5.