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: horlac...@tik.uni-stuttgart.de Universitaet Stuttgart Tel: ++49-711-68565868 Allmandring 30a Fax: ++49-711-682357 70550 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/ REF:<20150813120211.ga24...@rus.uni-stuttgart.de> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html