# mount /dev/sdb /btrfs
# echo "scsi remove-single-device 1 0 0 0" > /proc/scsi/scsi
# lsscsi
[0:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sda
[2:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sdc
# btrfs su create /btrfs/sv1
Create subvolume '/btrfs/sv1'
ERROR: cannot create subvolume - Input/output error
# echo "scsi add-single-device 1 0 0 0" > /proc/scsi/scsi
# lsscsi
[0:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sda
[1:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sdd <---
[2:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sdc
The same disk comes back as /dev/sdd
(the issue is same if disk is mounted as an ext4 fs)
Thanks
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