On 06/30/2014 01:14 AM, Florian Lindner wrote:
Hello,
I've just completed a scrub on my home filesystem and now I wanted to start
on my Archiv btrfs RAID 0.
root@horus ~ # uname -
a
Linux horus 3.15.2-1-ARCH #1 SMP PREEMPT Fri Jun 27 07:41:19 CEST 2014
x86_64 GNU/Linux
root@horus ~ # btrfs --version
Btrfs v3.14.2-dirty
root@horus ~ # btrfs fi show
Label: 'home' uuid: 571009c0-6cc4-4598-a77b-f175501d23fd
Total devices 1 FS bytes used 2.03TiB
devid 1 size 2.73TiB used 2.04TiB path /dev/sdb1
Label: 'Archiv' uuid: b2504193-efeb-4ef3-8797-a8d73536a416
Total devices 2 FS bytes used 5.14TiB
devid 1 size 2.73TiB used 2.73TiB path /dev/sdd1
devid 2 size 2.73TiB used 2.73TiB path /dev/sde1
Btrfs v3.14.2-dirty
root@horus ~ # btrfs fi df /mnt/Archiv
Data, RAID0: total=5.44TiB, used=5.13TiB
Data, single: total=8.00MiB, used=244.00KiB
System, RAID1: total=32.00MiB, used=396.00KiB
System, single: total=4.00MiB, used=0.00
Metadata, RAID1: total=10.94GiB, used=8.71GiB
unknown, single: total=512.00MiB, used=0.00
root@horus ~ # btrfs scrub status /mnt/Archiv
scrub status for b2504193-efeb-4ef3-8797-a8d73536a416
scrub started at Thu Jan 2 21:13:35 2014, running for 1336 seconds
total bytes scrubbed: 473.28GiB with 0 errors
root@horus ~ # btrfs scrub cancel /mnt/Archiv
ERROR: scrub cancel failed on /mnt/Archiv: not running
root@horus ~ # btrfs scrub resume
/mnt/Archiv
ERROR: scrub is already running.
To cancel use 'btrfs scrub cancel /mnt/Archiv'.
To see the status use 'btrfs scrub status [-d] /mnt/Archiv'.
root@horus ~ # btrfs scrub start
/mnt/Archiv
ERROR: scrub is already running.
To cancel use 'btrfs scrub cancel /mnt/Archiv'.
To see the status use 'btrfs scrub status [-d] /mnt/Archiv'.
A scrub I started at Jan 02 seems to be stuck somehow. The command outputs
above were generated right now.
I'll be hapy to provide any more information.
Thx!
Florian
Scrub log record file seems corrupted sometimes, if you use latest
btrfs-progs version.
There should be an option '-f' for 'btrfs scrub start' which will allow
scrub to skip check in userspace.
Actually, i am thinking whether it would be better to remove userspace
check about
scrub status since log record file is not so reliable.
Thanks,
Wang
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