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Bug 1286737

Summary:	Resize of full thin-pool loses data
Product:	Red Hat Enterprise Linux 7	Reporter:	Jan Kurik <jkurik>
Component:	lvm2	Assignee:	LVM and device-mapper development team <lvm-team>
lvm2 sub component:	Thin Provisioning	QA Contact:	cluster-qe <cluster-qe>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	high
Priority:	high	CC:	agk, cmarthal, dhoward, heinzm, jbrassow, jkurik, lmiksik, mjuricek, msnitzer, pbokoc, prajnoha, prockai, slevine, thornber, zkabelac
Version:	7.2	Keywords:	ZStream
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	lvm2-2.02.130-5.el7_2.1	Doc Type:	Bug Fix
Doc Text:	Previously, if an LVM thin pool was filled to capacity while new data was still being written, it was possible to lose some write operations even if the thin pool was being extended at the same time. In some cases, the extended thin pool still could not fit all data waiting to be written, but lvm2 still performed a flush operation, discarding part of the data waiting to be written without logging an error. With this update, lvm2 no longer flushes data when extending thin pools, and data loss is prevented.	Story Points:	---
Clone Of:	1274676	Environment:
Last Closed:	2016-02-16 10:40:02 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:	1274676
Bug Blocks:

Description Jan Kurik 2015-11-30 15:59:36 UTC

This bug has been copied from bug #1274676 and has been proposed
to be backported to 7.2 z-stream (EUS).

Comment 6 errata-xmlrpc 2016-02-16 10:40:02 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, 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://rhn.redhat.com/errata/RHBA-2016-0179.html