Bug 1024449

Summary:	Check the performance with lvm-2.02.100-7
Product:	[Retired] oVirt	Reporter:	Nir Soffer <nsoffer>
Component:	vdsm	Assignee:	Nir Soffer <nsoffer>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Haim <hateya>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	3.3	CC:	abaron, acathrow, amureini, bazulay, iheim, mgoldboi, sbonazzo, yeylon
Target Milestone:	---	Keywords:	Reopened, TestOnly
Target Release:	3.3.2
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	storage
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-12-19 14:24:28 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	Storage	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1020401
Bug Blocks:

Description Nir Soffer 2013-10-29 16:39:54 UTC

Description of problem:

In lvm-2.02.100-7 lvm stops using udev cache for getting the device list. This may cause performance issue when using lot of logical volumes.

After installing this version of lvm, obtain_device_list_from_udev option should be set to 0 in /etc/lvm/lvm.conf. This setting is a workaround for concurrency issues in udev cache.

See bug 1014942 and bug 1020401 for more details.

Comment 1 Sandro Bonazzola 2013-11-15 10:54:32 UTC

re targeting to 3.3.1 and moving to ON_QA for testing.

Comment 2 Sandro Bonazzola 2013-11-25 11:59:02 UTC

oVirt 3.3.1 has been released

Comment 3 Sandro Bonazzola 2013-11-25 12:00:18 UTC

back on QA, re-targeting to 3.3.2 since there's no resul for the test.

Comment 4 Sandro Bonazzola 2013-12-19 14:24:28 UTC

oVirt 3.3.2 has been released resolving the problem described in this bug report.