Am 27.06.2015 um 17:51 schrieb Roman Mamedov:
On Sat, 27 Jun 2015 17:32:04 +0200
Stefan Priebe <s.priebe@xxxxxxxxxxxx> wrote:
Hi,
while having some big btrfs volumes (44TB + 37TB).
I see on a regular basis the "no space left on device" message. I'm only
able to "fix" this. By running btrfs balance AND unmounting and
remounting the btrfs volume.
Is there any way to debug / workaround this one?
You should post your 'df', 'btrfs fi df' and 'btrfs fi show' for both devices.
sorry - here for one server:
[ ~]# btrfs filesystem df /vmbackup/
Data, single: total=7.58TiB, used=7.58TiB
System, DUP: total=8.00MiB, used=1.19MiB
System, single: total=4.00MiB, used=0.00B
Metadata, DUP: total=69.00GiB, used=38.25GiB
Metadata, single: total=8.00MiB, used=0.00B
GlobalReserve, single: total=512.00MiB, used=3.30MiB
[ ~]# btrfs fi show /vmbackup/
Label: none uuid: 0df5ed87-07da-4c15-9a2b-1d0ff6ec208d
Total devices 1 FS bytes used 7.62TiB
devid 1 size 43.66TiB used 7.72TiB path /dev/md50
btrfs-progs v4.0.1
Stefan
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