Hallo, linux-btrfs,
for some hours I was happy ...
mkfs.btrfs /dev/sde1
mount /dev/sde1 /mnt/btr
<copy about 1.5 TByte>
btrfs device add /dev/sdd1
<copy about 0.8 TByte>
led to
# btrfs filesystem show
Label: 'MM2' uuid: 7400b83c-f3dd-477c-bbf4-7429863a7ef9
Total devices 2 FS bytes used 2.25TB
devid 1 size 1.81TB used 1.51TB path /dev/sde1
devid 2 size 1.82TB used 760.50GB path /dev/sdd1
Btrfs Btrfs v0.19
# btrfs filesystem df /srv/MM
Data: total=2.25TB, used=2.24TB
System, DUP: total=8.00MB, used=260.00KB
System: total=4.00MB, used=0.00
Metadata, DUP: total=5.00GB, used=3.53GB
Metadata: total=8.00MB, used=0.00
# df -t btrfs
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/sde1 btrfs 3898172184 2416726548 1478325628 63% /srv/MM
# fdisk -l
/dev/sde1 1 242600 1948684468+ 83 Linux
/dev/sdd1 1 242700 1949487718+ 83 Linux
# --------------------------------------
All seemed to work well. No "no space left ...".
Then I shut down the machine and started it again the next day.
btrfs filesystem show
showed the 2 devices.
mount LABEL=MM2 /mnt/btr
and the system crashed with blinkenlights.
What goes wrong?
How can I restore the data?
I have a backup, but I prefer reanimating the 2 btrfs partitions.
Kernel 2.6.37
Viele Gruesse!
Helmut
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