Re: btrfs listing is wrong

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Hi Mark,

Label: 'Root'  uuid: d71404d4-468e-47d5-8f06-3b65fa7776aa
         Total devices 2 FS bytes used 7.46GiB
         devid    1 size 9.31GiB used 8.06GiB path /dev/sdh6
         devid    3 size 9.31GiB used 8.06GiB path
/dev/disk/by-uuid/d71404d4-468e-47d5-8f06-3b65fa7776aa

 I hope this taken when Root is mounted, (just for confirmation),
 which means those are read from the btrfs kernel. Not by scanning
 the udev.

# ls -al /dev/disk/by-uuid/d71404d4-468e-47d5-8f06-3b65fa7776aa
lrwxrwxrwx 1 root root 10 Sep 11 10:43
/dev/disk/by-uuid/d71404d4-468e-47d5-8f06-3b65fa7776aa -> ../../sdh6


 when we read /dev/sdh6 it was devid 1.
When we read /dev/disk/by-uuid/d71404d4-468e-47d5-8f06-3b65fa7776aa it was devid 3.

 But udev also says
   /dev/disk/by-uuid/d71404d4-468e-47d5-8f06-3b65fa7776aa
 is nothing but a soft link to /dev/sdh6 !!

 Very strange !  Can you run blkid and show its output ?

 Also by any chance did we do a disk to disk copy ?

devid 3 should really  be showing /dev/sde6

 A reboot or btrfs kernel module reload might update the stale
 and tell the facts.


Thanks, Anand
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