Hello,
I replaced a failed 500G disk in btrfs raid1 with 2 smaller ones - 200
and 250GB. I started "btrfs device delete missing" command, which is
running since friday, and it still seems far from finished.
It seems to be doing something very strange: used space on the largest
drive is going down, while smaller drives are filling up to the brim.
I'm afraid it will soon run out of space and I don't know what to do.
The current situation is:
Label: none uuid: cff1e711-97fe-4c1c-b8a3-6184010b5027
Total devices 4 FS bytes used 376.66GB
devid 4 size 172.81GB used 167.00GB path /dev/dm-16
devid 3 size 232.88GB used 227.00GB path /dev/dm-4
devid 2 size 452.26GB used 327.01GB path /dev/dm-0
*** Some devices missing
According to btrfs FAQ and http://carfax.org.uk/btrfs-usage, there should
be around 404GB of usable space in this configuration. Assuming even
distribution, used space on each device should be accordingly: 160, 216,
and 405. The current situation is FAR from that.
I'd be grateful for tips what do to and how to get out of this situation.
Regards
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