Looks like the same issue as kernel bugzilla 66221
just different config. debian wheezy with hand built 3.11.9. Ideas for
fixing would be great.
I guess I''ll try deleting a couple snapshots and try again.
btrfs balance start -dconvert=single /mirror
ERROR: error during balancing ''/mirror'' - No space left on
device
(btrfs file show && btrfs file df /mirror && df -h /mirror)
Label: isibackup uuid: 550c0f77-8f75-40f3-a64e-42c87a0c8e8d
Total devices 3 FS bytes used 83.42TiB
devid 1 size 30.01TiB used 24.52TiB path /dev/sdb
devid 2 size 30.01TiB used 24.52TiB path /dev/sdc
devid 3 size 40.02TiB used 34.52TiB path /dev/sdd
Btrfs v0.20-rc1-335-gf00dd83
Data, RAID0: total=27.64TiB, used=27.64TiB
Data, single: total=55.65TiB, used=55.65TiB
System, RAID1: total=40.00MiB, used=7.84MiB
System, single: total=4.00MiB, used=0.00
Metadata, RAID1: total=134.00GiB, used=132.34GiB
Metadata, single: total=8.00MiB, used=0.00
Filesystem Size Used Avail Use% Mounted on
/dev/sdb 101T 84T 17T 84% /mirror
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