[linux-lvm] PVmove can not work on lvm2-2.02.177

[Zdenek Kabelac]

Dne 3.4.2018 v 04:28 Gang He napsal(a):
> 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.

Hi


Yep - it's a work in progress - if you take upstream from git - there are 
already fixes committed.  Hopefully next release (2.02.178) will address most 
regressions cause by newer (hopefully better) code.

Good to see someone is really using it...

Regards

Zdenek