Hello,
To migrate my FS to a different physical disk, I have added a new empty device
to the FS, then ran the remove operation on the original one.
Now my FS has only devid 2:
Label: 'p1' uuid: d886c190-b383-45ba-9272-9f00c6a10c50
Total devices 1 FS bytes used 36.63GiB
devid 2 size 50.00GiB used 45.06GiB path /dev/mapper/vg-p1
And all the operations of btrfs-progs now fail to work in their default
invocation, such as:
# btrfs fi resize max .
Resize '.' of 'max'
ERROR: unable to resize '.': No such device
[768813.414821] BTRFS info (device dm-5): resizer unable to find device 1
Of course this works:
# btrfs fi resize 2:max .
Resize '.' of '2:max'
But this is inconvenient and seems to be a rather simple oversight. If what I
got is normal (the device staying as ID 2 after such operation), then count
that as a suggestion that btrfs-progs should use the first existing devid,
rather than always looking for hard-coded devid 1.
--
With respect,
Roman
