On Thu 2015-08-13 (14:02), Ulli Horlacher wrote:
> On Thu 2015-08-13 (15:34), anand jain wrote:
>
> > > root@toy02:~# df -T /data
> > > Filesystem Type 1K-blocks Used Available Use% Mounted on
> > > /dev/sdb btrfs 3906909856 140031696 3765056176 4% /data
> > >
> > > root@toy02:~# btrfs filesystem show /data
> > > Label: data uuid: 411af13f-6cae-4f03-99dc-5941acb3135b
> > > Total devices 2 FS bytes used 129.81GiB
> > > devid 3 size 1.82TiB used 67.03GiB path /dev/drbd2
> > > devid 4 size 1.82TiB used 67.03GiB path /dev/sdb
> > >
> > > Btrfs v3.12
> > >
> > > ==> btrfs shows the wrong (raw) device /dev/sdb instead of /dev/drbd3 !
> >
> > Don't be too alarmed by that, progs do a bit of user land fabrication
> > (wrong). kernel may /may-not be using sdb. try -m option.
>
> It is really weird: meanwhile (without any mount change or even reboot) I
> get:
>
> root@toy02:~# btrfs filesystem show
> Label: data uuid: 411af13f-6cae-4f03-99dc-5941acb3135b
> Total devices 2 FS bytes used 106.51GiB
> devid 3 size 1.82TiB used 82.03GiB path /dev/drbd2
> devid 4 size 1.82TiB used 82.03GiB path /dev/drbd3
And now, after a reboot:
root@toy02:~/bin# btrfs filesystem show
Label: data uuid: 411af13f-6cae-4f03-99dc-5941acb3135b
Total devices 2 FS bytes used 119.82GiB
devid 3 size 1.82TiB used 82.03GiB path /dev/drbd2
devid 4 size 1.82TiB used 82.03GiB path /dev/sde
GRMPF!
--
Ullrich Horlacher Server und Virtualisierung
Rechenzentrum IZUS/TIK E-Mail: horlacher@xxxxxxxxxxxxxxxxxxxx
Universitaet Stuttgart Tel: ++49-711-68565868
Allmandring 30a Fax: ++49-711-682357
70550 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/
REF:<20150813120211.GA24122@xxxxxxxxxxxxxxxxxxxx>
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