Bug 896516

Summary:	3.1.z - [vdsm] Failure upgrading a storage domain to V3 - No space left on device
Product:	Red Hat Enterprise Linux 6	Reporter:	Chris Pelland <cpelland>
Component:	vdsm	Assignee:	Allon Mureinik <amureini>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Dafna Ron <dron>
Severity:	high	Docs Contact:
Priority:	high
Version:	6.3	CC:	abaron, amureini, bazulay, cpelland, danken, iheim, ilvovsky, lpeer, sgordon, thildred, ykaul
Target Milestone:	rc	Keywords:	ZStream
Target Release:	6.3
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	storage
Fixed In Version:	vdsm-4.10.2-1.2.el6	Doc Type:	Bug Fix
Doc Text:	Upgrading storage domains to V3 would sometimes fail with the error "No space left on device" as a result of running out of metadata slots. VDSM has been updated to reallocate existing metadata slots, where available, to avoid this error.	Story Points:	---
Clone Of:	884314	Environment:
Last Closed:	2013-02-12 13:53:50 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:	882276, 884314
Bug Blocks:

Comment 2 Dafna Ron 2013-01-31 15:53:07 UTC

tested with vdsm-4.9-106.el6.x86_64 -> vdsm-4.10.2-1.2.el6

before the upgrade: 

[root@cougar01 old]# lvs -o +tags | sed -n 's/.*MD_\([0-9]\+\).*/\1/p' | sort -n | tail
6144
6656
6656
6656
6656
7168
7168
7168
7168
7680


after upgrade: 

[root@cougar01 vdsm]# lvs -o +tags | sed -n 's/.*MD_\([0-9]\+\).*/\1/p' | sort -n | tail
12
13
13
13
13
14
14
14
14
15

we had some exception on zombie tasks in engine side - not related to this issue. 

bug is verified for 3.1.3