I'm trying to use a BTRFS filesystem on a removable drive.
The first drive drive was added to the system, it was /dev/sdb
Files were added and device unmounted without error.
But when I re-attach the drive, it becomes /dev/sdg (kernel is fussy
about re-using /dev/sdb).
btrfs fi show: output:
Label: 'Archive 01' uuid: 221222e7-70e7-4d67-9aca-42eb134e2041
Total devices 1 FS bytes used 515.40GiB
devid 1 size 931.51GiB used 522.02GiB path /dev/sdg1
This causes BTRFS to fail mounting the device with the following errors:
sd 3:0:0:0: [sdg] Attached SCSI disk
blk_partition_remap: fail for partition 1
BTRFS error (device sdb1): bdev /dev/sdg1 errs: wr 0, rd 1, flush 0,
corrupt 0, gen 0
blk_partition_remap: fail for partition 1
BTRFS error (device sdb1): bdev /dev/sdg1 errs: wr 0, rd 2, flush 0,
corrupt 0, gen 0
blk_partition_remap: fail for partition 1
BTRFS error (device sdb1): bdev /dev/sdg1 errs: wr 0, rd 3, flush 0,
corrupt 0, gen 0
blk_partition_remap: fail for partition 1
BTRFS error (device sdb1): bdev /dev/sdg1 errs: wr 0, rd 4, flush 0,
corrupt 0, gen 0
ata4: exception Emask 0x50 SAct 0x0 SErr 0x4090800 action 0xe frozen
ata4: irq_stat 0x00400040, connection status changed
ata4: SError: { HostInt PHYRdyChg 10B8B DevExch }
I've seen some patches on this list to add a btrfs device forget option,
which I presume would help with a situation like this. Is there a way
to do that manually?
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