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Date: Mon, 02 Apr 2018 20:28:23 -0600
From: "Gang He" <ghe@suse.com>
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Subject: [linux-lvm] PVmove can not work on lvm2-2.02.177
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Hello list,

As you know, pvmove can run on old version (e.g. lvm2-2.02.120 on SLE12SP2), 
But with new version lvm2-2.02.177, I can not run pvmove successfully in the cluster.
Here, I paste some information from my test, 
if you can know the cause, please help to figure out.

tb0307-nd1:/ # cat /etc/issue
Welcome to openSUSE Tumbleweed 20180307 - Kernel \r (\l).
tb0307-nd1:/ # uname -r
4.15.7-1-default
tb0307-nd1:/ # rpm -qa | grep lvm
lvm2-cmirrord-2.02.177-4.1.x86_64
liblvm2app2_2-2.02.177-4.1.x86_64
liblvm2cmd2_02-2.02.177-4.1.x86_64
lvm2-clvm-2.02.177-4.1.x86_64
lvm2-lockd-2.02.177-4.1.x86_64
lvm2-2.02.177-4.1.x86_64
lvm2-testsuite-2.02.177-4.1.x86_64

tb0307-nd1:/ # pvs
  PV         VG          Fmt  Attr PSize  PFree
  /dev/vdb   cluster-vg2 lvm2 a--  40.00g 20.00g
  /dev/vdc   cluster-vg2 lvm2 a--  40.00g 40.00g
tb0307-nd1:/ # vgs
  VG          #PV #LV #SN Attr   VSize  VFree
  cluster-vg2   2   1   0 wz--nc 79.99g 59.99g
tb0307-nd1:/ # lvs
  LV      VG          Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  test-lv cluster-vg2 -wi-ao---- 20.00g
tb0307-nd1:/ # pvmove -i 5 /dev/vdb /dev/vdc
  Increasing mirror region size from 0    to 16.00 KiB
  Error locking on node a4311a8: Device or resource busy
  Failed to activate cluster-vg2/test-lv   <<== Failed, but in fact, I can mount cluster-vg2/test-lv with ocfs2 file system in the cluster, and read/write files from each node.


Thanks
Gang