Bug 993325

Summary:	RFE: lvm should check for raid scrubbing attempts on non raid volumes
Product:	Red Hat Enterprise Linux 7	Reporter:	Corey Marthaler <cmarthal>
Component:	lvm2	Assignee:	LVM and device-mapper development team <lvm-team>
lvm2 sub component:	Default / Unclassified	QA Contact:	cluster-qe <cluster-qe>
Status:	CLOSED CURRENTRELEASE	Docs Contact:
Severity:	low
Priority:	unspecified	CC:	agk, heinzm, jbrassow, msnitzer, prajnoha, prockai, thornber, zkabelac
Version:	7.0	Keywords:	FutureFeature
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	lvm2-2.02.102-1.el7	Doc Type:	Enhancement
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-06-13 09:17:28 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Corey Marthaler 2013-08-05 19:34:28 UTC

Description of problem:
[root@qalvm-01 ~]# lvcreate -n linear -L 100M mirror_sanity
  Logical volume "linear" created
[root@qalvm-01 ~]# lvs -a -o +devices
  LV        VG            Attr       LSize    Devices                                              
  linear    mirror_sanity -wi-a----- 100.00m  /dev/vdh2(75)                                        
[root@qalvm-01 ~]# lvchange --syncaction check mirror_sanity/linear
  Failed to retrieve status of mirror_sanity/linear

Version-Release number of selected component (if applicable):
3.10.0-0.rc5.61.el7.x86_64
lvm2-2.02.100-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
lvm2-libs-2.02.100-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
lvm2-cluster-2.02.100-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
device-mapper-1.02.79-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
device-mapper-libs-1.02.79-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
device-mapper-event-1.02.79-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
device-mapper-event-libs-1.02.79-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013
cmirror-2.02.100-0.110.el7    BUILT: Fri Aug  2 19:27:39 CDT 2013

Comment 2 Jonathan Earl Brassow 2013-09-20 03:36:21 UTC

Patch checked in upstream:

commit 2c41c8b88610bff6a3352b93f6b5c70a3744c817
Author: Jonathan Brassow <jbrassow>
Date:   Thu Sep 19 22:33:01 2013 -0500

    RAID: Don't allow syncaction changes on non-RAID LVs
    
    Don't allow syncaction or other RAID-type messages on non-RAID
    logical volumes.

Comment 4 Corey Marthaler 2014-01-13 17:51:07 UTC

Fix verified in the latest rpms.

3.10.0-64.el7.x86_64
lvm2-2.02.103-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
lvm2-libs-2.02.103-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
lvm2-cluster-2.02.103-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
device-mapper-1.02.82-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
device-mapper-libs-1.02.82-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
device-mapper-event-1.02.82-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
device-mapper-event-libs-1.02.82-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014
device-mapper-persistent-data-0.2.8-2.el7    BUILT: Wed Oct 30 10:20:48 CDT 2013
cmirror-2.02.103-10.el7    BUILT: Tue Jan  7 07:44:33 CST 2014


[root@host-052 ~]# lvs -a -o +devices
  LV                VG    Attr       LSize    Log         Cpy%Sync Devices
  linear            test  -wi-a----- 100.00m                       /dev/sda1(0)
  mirror            test  mwi-a-m--- 100.00m  mirror_mlog   100.00 mirror_mimage_0(0),mirror_mimage_1(0)
  [mirror_mimage_0] test  iwi-aom--- 100.00m                       /dev/sda1(50)
  [mirror_mimage_1] test  iwi-aom--- 100.00m                       /dev/sdb1(0)
  [mirror_mlog]     test  lwi-aom---   4.00m                       /dev/sdh1(0)
  stripe            test  -wi-a----- 100.00m                       /dev/sda1(25)
[root@host-052 ~]# lvchange --syncaction check test/linear
  test/linear must be a RAID logical volume to perform this action.
[root@host-052 ~]# lvchange --syncaction check test/stripe
  test/stripe must be a RAID logical volume to perform this action.
[root@host-052 ~]# lvchange --syncaction check test/mirror
  test/mirror must be a RAID logical volume to perform this action.

Comment 5 Ludek Smid 2014-06-13 09:17:28 UTC

This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.