[Rear-users] Fwd: Re: openSuSE 12.1 / btrfs root on LVM

Gratien D'haese gratien.dhaese at it3.be
Tue Nov 29 22:12:31 CET 2011



The code is there to migrate UUIDs - see
http://rear.svn.sourceforge.net/viewvc/rear/trunk/usr/share/rear/finalize/GNU/Linux/15_migrate_uuid_tags.sh?revision=726
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Hi,


On 29 November 2011 17:34, Hubertus A. Haniel  wrote:
  So running blkid on
the running system gives me:
 /dev/sda1:
UUID="c19e8510-96d4-45d6-b1d0-796545d81dc5" TYPE="ext4"
 /dev/sda2:
UUID="8hRFQs-t3Lh-06Uq-kESV-8YDc-NJC1-jU0201" TYPE="LVM2_member"

/dev/mapper/rootvg-rootlv: UUID="996f2f57-5656-4df2-b583-0f8eda206558"

UUID_SUB="203558be-59d8-468a-b49f-db86220871f4" TYPE="btrfs"

/dev/mapper/rootvg-swaplv: UUID="91d4c8b3-e967-4675-8b80-bd2ed890b22f"
TYPE="swap"

 After the restore I get:
 /dev/sda1:
UUID="c19e8510-96d4-45d6-b1d0-796545d81dc5" TYPE="ext4"
 /dev/sda2:
UUID="8hRFQs-t3Lh-06Uq-kESV-8YDc-NJC1-jU0201" TYPE="LVM2_member"

/dev/mapper/rootvg-rootlv: UUID="156775e7-f579-463e-b088-2e680450df5e"

UUID_SUB="5f8b67bc-76ba-47df-9313-27376cdd1f58" TYPE="btrfs"

/dev/mapper/rootvg-swaplv: UUID="91d4c8b3-e967-4675-8b80-bd2ed890b22f"
TYPE="swap"    AFAIKT these UUIDs are the UUIDs of the filesystem and not
the physical device. These should be recovered by ReaR. Obviously ReaR does
not yet know how to recover the UUID for btrfs (again, this IS experimental
and we thank you a lot for the testing!). All other UUIDs are fine.  We
just need to add some code to store and set the UUID of the btrfs
filesystem...  Regards, Schlomo  

-- 
Gratien D'haese
IT3 Consultants bvba

Vennestraat 15, B-2560 Nijlen
 

Links:
------
[1]
mailto:hubba at unixcook.com
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