On Sun, May 29, 2016 at 8:03 PM, Chris Murphy <li...@colorremedies.com> wrote:

>
> # lsblk -o +UUID
> NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT UUID
> loop0    7:0    0    10G  0 loop /mnt/0     
> 63288b0c-9216-4f11-aed4-cc054ae90e07
> loop1    7:1    0    10G  0 loop            
> 63288b0c-9216-4f11-aed4-cc054ae90e07
>
> This is worse.
>
> # btrfs fi show
> Label: none  uuid: 63288b0c-9216-4f11-aed4-cc054ae90e07
>     Total devices 2 FS bytes used 384.00KiB
>     devid    1 size 10.00GiB used 2.02GiB path /dev/loop0
>     devid    2 size 10.00GiB used 0.00B path /dev/loop1
>
> So is this. Where is the new UUID for the newly created sprout volume?
>
> /dev/loop0: UUID="63288b0c-9216-4f11-aed4-cc054ae90e07"
> UUID_SUB="e379aedb-6d14-4d56-be7d-1772c9984bc5" TYPE="btrfs"
> /dev/loop1: UUID="63288b0c-9216-4f11-aed4-cc054ae90e07"
> UUID_SUB="b282f566-8382-468e-b9ec-f748244b703b" TYPE="btrfs"
>
> Uhh? Identical UUIDs for seed and sproud? That's not right.


Just to confirm that UUID for the sprout is the same as the seed at
mkfs time, and I didn't include it in the previous email:


# mkfs.btrfs /dev/loop0
btrfs-progs v4.5.2
See http://btrfs.wiki.kernel.org for more information.

Performing full device TRIM (10.00GiB) ...
Label:              (null)
UUID:               63288b0c-9216-4f11-aed4-cc054ae90e07



-- 
Chris Murphy
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