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Bug 1320735 - renaming logical volumes to previously existing volume names causes confusion when lvresize calls fsadm to extend
Summary: renaming logical volumes to previously existing volume names causes confusion...
Keywords:
Status: CLOSED NEXTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: lvm2
Version: 6.8
Hardware: x86_64
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Zdenek Kabelac
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-03-23 21:25 UTC by Corey Marthaler
Modified: 2017-06-02 09:43 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-06-02 09:42:53 UTC
Target Upstream Version:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1253833 0 unspecified CLOSED renaming logical volumes to previously existing volume names causes confusion when lvresize calls fsadm 2021-09-03 12:56:05 UTC

Internal Links: 1253833

Description Corey Marthaler 2016-03-23 21:25:35 UTC 
Description of problem:
This is the extend issue described in comment #12 and #14 of bug 1196910.

host-118.virt.lab.msp.redhat.com: lvcreate  --nosync --type raid1 -m 1 -n resizeA -L 200M raid_sanity
  WARNING: New raid1 won't be synchronised. Don't read what you didn't write!
Placing an ext on resizeA volume
mkfs /dev/raid_sanity/resizeA
mke2fs 1.41.12 (17-May-2010)
mount /dev/raid_sanity/resizeA /mnt/resizeA

host-118.virt.lab.msp.redhat.com: lvcreate  --nosync --type raid1 -m 1 -n resizeB -L 200M raid_sanity
  WARNING: New raid1 won't be synchronised. Don't read what you didn't write!
Placing an ext on resizeB volume
mkfs /dev/raid_sanity/resizeB
mke2fs 1.41.12 (17-May-2010)
mount /dev/raid_sanity/resizeB /mnt/resizeB

lvrename /dev/raid_sanity/resizeA /dev/raid_sanity/resizeC
lvrename /dev/raid_sanity/resizeB /dev/raid_sanity/resizeA

[root@host-118 ~]# lvs -a -o +devices
  LV                 VG          Attr       LSize    Cpy%Sync Devices
  resizeA            raid_sanity Rwi-aor--- 200.00m  100.00   resizeA_rimage_0(0),resizeA_rimage_1(0)
  [resizeA_rimage_0] raid_sanity iwi-aor--- 200.00m           /dev/sde2(52)
  [resizeA_rimage_1] raid_sanity iwi-aor--- 200.00m           /dev/sde1(52)
  [resizeA_rmeta_0]  raid_sanity ewi-aor---   4.00m           /dev/sde2(51)
  [resizeA_rmeta_1]  raid_sanity ewi-aor---   4.00m           /dev/sde1(51)
  resizeC            raid_sanity Rwi-aor--- 200.00m  100.00   resizeC_rimage_0(0),resizeC_rimage_1(0)
  [resizeC_rimage_0] raid_sanity iwi-aor--- 200.00m           /dev/sde2(1)
  [resizeC_rimage_1] raid_sanity iwi-aor--- 200.00m           /dev/sde1(1)
  [resizeC_rmeta_0]  raid_sanity ewi-aor---   4.00m           /dev/sde2(0)
  [resizeC_rmeta_1]  raid_sanity ewi-aor---   4.00m           /dev/sde1(0)

[root@host-118 ~]# lvextend -r -n -f -L 400M /dev/raid_sanity/resizeA
  Extending 2 mirror images.
  Size of logical volume raid_sanity/resizeA changed from 200.00 MiB (50 extents) to 400.00 MiB (100 extents).
  Logical volume resizeA successfully resized.
resize2fs 1.41.12 (17-May-2010)
resize2fs: Device or resource busy while trying to open /dev/mapper/raid_sanity-resizeA
Couldn't find valid filesystem superblock.
fsadm: Resize ext2 failed
  fsadm failed: 1



Version-Release number of selected component (if applicable):
2.6.32-633.el6.x86_64

lvm2-2.02.143-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
lvm2-libs-2.02.143-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
lvm2-cluster-2.02.143-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
udev-147-2.72.el6    BUILT: Tue Mar  1 06:14:05 CST 2016
device-mapper-1.02.117-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
device-mapper-libs-1.02.117-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
device-mapper-event-1.02.117-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
device-mapper-event-libs-1.02.117-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
device-mapper-persistent-data-0.6.2-0.1.rc7.el6    BUILT: Tue Mar 22 08:58:09 CDT 2016
cmirror-2.02.143-3.el6    BUILT: Tue Mar 22 09:26:10 CDT 2016
Comment 2 Corey Marthaler 2017-05-26 15:07:50 UTC 
Looks like current behavior (in rhel7.4) is now:

lvm2-2.02.171-2.el7    BUILT: Wed May 24 09:02:34 CDT 2017

lvextend -r -n -f -L 1.5G /dev/snapper_thinp/other1
  WARNING: Sum of all thin volume sizes (6.50 GiB) exceeds the size of thin pool snapper_thinp/POOL (1.00 GiB)!
fsadm: Cannot RESIZE device "/dev/mapper/snapper_thinp-other1" without umounting filesystem /mnt/other2 first.
fsadm: Mounted filesystem is using device snapper_thinp-other1, but referenced device is snapper_thinp-other2.
fsadm: Filesystem utilities currently do not support renamed devices.
  /usr/sbin/fsadm failed: 1
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