On Mon, May 07, 2012 at 07:52:00PM +0200, Helmut Hullen wrote: > Hallo, Felix, > > Du meintest am 07.05.12: > > >> I'm just going back to ext4 - then one broken disk doesn't disturb > >> the contents of the other disks. > > > ?! If you use raid0 one broken disk will always disturb the contents > > of the other disks, that is what raid0 does, no matter what > > filesystem you use. > > Yes - I know. But btrfs promises that I can add bigger disks and delete > smaller disks "on the fly". For something like a video collection which > will grow on and on an interesting feature. And such a (big) collection > does need a "gradfather-father-son" backup, that's no critical data. > > With a file system like ext2/3/4 I can work with several directories > which are mounted together, but (as said before) one broken disk doesn't > disturb the others.
mkfs.btrfs -m raid1 -d single should give you that. There may be a kernel patch you need to stop it doing the silly single → raid0 "upgrade" automatically, as well. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- __(_'> Squeak! ---
signature.asc
Description: Digital signature
