Bug 1366752

Summary: "device-mapper: waitevent ioctl failed" messages when deleting mirror converted from raid1
Product: Red Hat Enterprise Linux 7 Reporter: Corey Marthaler <cmarthal>
Component: lvm2Assignee: LVM and device-mapper development team <lvm-team>
lvm2 sub component: Mirroring and RAID QA Contact: cluster-qe <cluster-qe>
Status: CLOSED ERRATA Docs Contact:
Severity: low    
Priority: unspecified CC: agk, heinzm, jbrassow, mnavrati, msnitzer, prajnoha, prockai, zkabelac
Version: 7.3   
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: lvm2-2.02.164-3.el7 Doc Type: No Doc Update
Doc Text:
Intra-release bug, no documentation needed.
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-11-04 04:17:33 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 2016-08-12 17:20:54 UTC
Description of problem:
[root@host-082 ~]# lvs -a -o +devices
  LV                   VG   Attr       LSize  Log              Cpy%Sync Devices
  transform            test mwi-a-m--- 28.00m [transform_mlog] 100.00   transform_mimage_0(0),transform_mimage_1(0)
  [transform_mimage_0] test iwi-aom--- 28.00m                           /dev/sda1(1)
  [transform_mimage_1] test iwi-aom--- 28.00m                           /dev/sdb1(1)
  [transform_mlog]     test lwn-aom---  4.00m                           /dev/sdh1(0)


[root@host-082 ~]# lvremove test/transform
Do you really want to remove active logical volume test/transform? [y/n]: y
  Logical volume "transform" successfully removed


Aug 12 12:09:42 host-082 lvm[24108]: device-mapper: waitevent ioctl on LVM-nly8naLXFvoSWa1BXldLKAiw1cYqwMnmGNmZAfmLDMhl4SsDAT0JshyUQ2YD1Q3c failed: No such device or address
Aug 12 12:09:42 host-082 lvm[24108]: test-transform disappeared, detaching.


Version-Release number of selected component (if applicable):
3.10.0-489.el7.x86_64

lvm2-2.02.163-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
lvm2-libs-2.02.163-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
lvm2-cluster-2.02.163-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
device-mapper-1.02.133-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
device-mapper-libs-1.02.133-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
device-mapper-event-1.02.133-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
device-mapper-event-libs-1.02.133-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
device-mapper-persistent-data-0.6.3-1.el7    BUILT: Fri Jul 22 05:29:13 CDT 2016
cmirror-2.02.163-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016
sanlock-3.4.0-1.el7    BUILT: Fri Jun 10 11:41:03 CDT 2016
sanlock-lib-3.4.0-1.el7    BUILT: Fri Jun 10 11:41:03 CDT 2016
lvm2-lockd-2.02.163-1.el7    BUILT: Wed Aug 10 06:53:21 CDT 2016

Comment 2 Alasdair Kergon 2016-08-23 17:50:05 UTC
Same cause as bug 1366749 - it was still using the raid dso to monitor the LV instead of the mirror dso, so the unmonitor mirror request found nothing to do, and when the device was removed the raid monitoring stopped and generated the messages.

Fixed in next release.

Comment 4 Corey Marthaler 2016-08-26 17:38:47 UTC
Fix verified in the latest rpms.

lvm2-2.02.164-3.el7    BUILT: Wed Aug 24 05:20:41 CDT 2016
lvm2-libs-2.02.164-3.el7    BUILT: Wed Aug 24 05:20:41 CDT 2016
lvm2-cluster-2.02.164-3.el7    BUILT: Wed Aug 24 05:20:41 CDT 2016


[root@host-117 ~]# lvcreate --type raid1 -L 50M -m 1 -n transform test
  Rounding up size to full physical extent 52.00 MiB
  Logical volume "transform" created.

[root@host-117 ~]# lvs -a -o +devices
  LV                   VG    Attr       LSize    Log Cpy%Sync Devices
  transform            test  rwi-a-r---  52.00m      100.00   transform_rimage_0(0),transform_rimage_1(0)
  [transform_rimage_0] test  iwi-aor---  52.00m               /dev/sda1(1)
  [transform_rimage_1] test  iwi-aor---  52.00m               /dev/sdb1(1)
  [transform_rmeta_0]  test  ewi-aor---   4.00m               /dev/sda1(0)
  [transform_rmeta_1]  test  ewi-aor---   4.00m               /dev/sdb1(0)

[root@host-117 ~]# lvconvert --type mirror test/transform
Are you sure you want to convert test/transform back to the older "mirror" type? [y/n]: y
  Logical volume test/transform successfully converted.

[root@host-117 ~]# lvs -a -o +devices
  LV                   VG    Attr       LSize    Log              Cpy%Sync Devices
  transform            test  mwi-a-m---  52.00m  [transform_mlog] 100.00   transform_mimage_0(0),transform_mimage_1(0)
  [transform_mimage_0] test  iwi-aom---  52.00m                            /dev/sda1(1)
  [transform_mimage_1] test  iwi-aom---  52.00m                            /dev/sdb1(1)
  [transform_mlog]     test  lwn-aom---   4.00m                            /dev/sdg1(0)

[root@host-117 ~]# lvremove test/transform
Do you really want to remove active logical volume test/transform? [y/n]: y
  Logical volume "transform" successfully removed

[root@host-117 ~]# grep waitevent /var/log/messages
[root@host-117 ~]#

Comment 6 errata-xmlrpc 2016-11-04 04:17:33 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-2016-1445.html