Hi!
In the last days I migrated Vivaldi and Elgar from using LVM snapshots to btrfs
snapshots.
Basically I did this:
- stop the buildd, umount proc, sys & co from the chroot
- made a tarball
- removed LVs, VG and finally PV from the disk
- mkfs.btrs that partition
- mounted the partition under the previous mount point
- created a subvolume by using btrfs subvolume create
/org/chroots/buildd-sid/buildd-base
- umounted the partition again
- mount -o subvol=buildd-base /dev/sda5 /org/chroots/buildd-sid
- edited fstab to match this
- untared the tarball again
- edited the schroot config to use btrfs snapshots (see below)
- mount -a
- mkdir /org/chroots/buildd-sid/snapshots (for the btrfs snaps of the buildd)
- starting the buildd again
My schroot config is now as following:
[sid-m68k-sbuild]
type=btrfs-snapshot
description=Debian sid btrfs snapshot
btrfs-source-subvolume=/org/chroots/buildd-sid
btrfs-snapshot-directory=/org/chroots/buildd-sid/snapshots
groups=root,sbuild,ij,buildd
root-groups=root,sbuild,ij,buildd
source-root-users=ij,sbuild,buildd
I don't know if that's the correct way to setup and configure btrfs snapshots
for a buildd, but at least it seems to work. But I'm still unsure if everything
is right and configured as intended... :)
--
Ciao... // Fon: 0381-2744150
Ingo \X/ http://blog.windfluechter.net
gpg pubkey: http://www.juergensmann.de/ij_public_key.asc
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