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Bug 1185916

Summary: "Attempted to decrement suspended device counter below zero" when deactivating VG containing cache volumes
Product: Red Hat Enterprise Linux 7 Reporter: Jonathan Earl Brassow <jbrassow>
Component: lvm2Assignee: Zdenek Kabelac <zkabelac>
lvm2 sub component: Cache Logical Volumes QA Contact: cluster-qe <cluster-qe>
Status: CLOSED CURRENTRELEASE Docs Contact:
Severity: medium    
Priority: unspecified CC: agk, cmarthal, heinzm, jbrassow, msnitzer, mspqa-list, nperic, prajnoha, zkabelac
Version: 7.0Keywords: Reopened
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1105732 Environment:
Last Closed: 2015-08-18 13:43:03 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:
Bug Depends On: 1091553, 1105732    
Bug Blocks: 1119326, 1186924    

Comment 2 Jonathan Earl Brassow 2015-08-18 13:24:38 UTC 
Seems to work for me now.

[root@bp-01 ~]# lvs vg
  LV   VG   Attr       LSize  Pool        Origin     Data%  Meta%  Move Log Cpy%Sync Convert
  lv   vg   Cwi-a-C--- 50.00g [cachepool] [lv_corig] 0.04   2.83            0.00

[root@bp-01 ~]# lvchange -p rw vg/lv
  Logical volume "lv" is already writable
[root@bp-01 ~]# lvchange -p r vg/lv
  Logical volume "lv" changed.
[root@bp-01 ~]# lvchange -p rw vg/lv
  Logical volume "lv" changed.
[root@bp-01 ~]# lvchange -p r vg/lv
  Logical volume "lv" changed.

[root@bp-01 ~]# vgremove vg
Do you really want to remove volume group "vg" containing 1 logical volumes? [y/n]: y
Do you really want to remove active logical volume lv? [y/n]: y
  Logical volume "cachepool" successfully removed
  Logical volume "lv" successfully removed
  Volume group "vg" successfully removed

The version I tested was lvm2-2.02.115-3.el7.x86_64 - just one bump beyond what you tested.
Comment 3 Peter Rajnoha 2015-08-18 13:43:03 UTC 
(In reply to Jonathan Earl Brassow from comment #2)
> The version I tested was lvm2-2.02.115-3.el7.x86_64 - just one bump beyond
> what you tested.

...already in RHEL 7.1. Closing as CURRENTRELEASE.