Hi, fyi: Raid5/6 hit mainline in 3.9, with 3.8 you will not be able to use those raid levels.
Regards, Felix On Sat, Jun 1, 2013 at 11:23 PM, Hugo Mills <[email protected]> wrote: > On Sat, Jun 01, 2013 at 02:07:53PM -0700, ronnie sahlberg wrote: >> Hi List, >> >> I have a filesystem that is spanning about 10 devices. >> It is currently using RAID1 for both data and metadata. >> >> In order to get higher availability and be able to handle multi device >> failures >> I would like to change from RAID1 to RAID6. >> >> >> Is it possible/stable/supported/recommended to change data from RAID1 to >> RAID6 ? >> (I assume "btrfs fi balance ..." is used for this?) > > Yes. > >> Metadata is currently RAID1, is it supported to put metadata as RAID6 too? >> It would be "odd" to have lesser protection for metadata than data. >> Optimally I would like a mode where metadata is mirrored onto all the >> spindles in the filesystem, not just 2 in RAID1 or n in RAID6. > > Yes, that should be supported. > >> Im running a 3.8.0 kernel. > > The btrfs RAID-5 and RAID-6 implementations aren't really ready for > production use, so right now I wouldn't recommend using them for > anything other than for testing purposes with data that's replacable. > > Hugo. > > -- > === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === > PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk > --- w.w.w. : England's batting scorecard --- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
