On Sun, Oct 30, 2011 at 1:14 AM, Hugo Mills <hugo@xxxxxxxxxxxxx> wrote: > On Sun, Oct 30, 2011 at 01:06:49AM +1030, Jordan Windsor wrote: >> On Sun, Oct 30, 2011 at 1:04 AM, Hugo Mills <hugo@xxxxxxxxxxxxx> wrote: >> > On Sun, Oct 30, 2011 at 12:55:33AM +1030, Jordan Windsor wrote: >> >> On Sun, Oct 30, 2011 at 12:43 AM, Hugo Mills <hugo@xxxxxxxxxxxxx> wrote: >> >> > On Sun, Oct 30, 2011 at 12:28:39AM +1030, Jordan Windsor wrote: >> >> >> Hello, >> >> >> I was wondering is it possible to find the RAID level currently in use >> >> >> by a btrfs volume, also can I change the data & metadata (or either) >> >> >> RAID levels after creation. >> >> > >> >> > To see the RAID levels, use >> >> > >> >> > btrfs fi df /path/to/filesystem >> >> > >> >> > To change RAID levels, you will need Ilya Dryomov's restriper >> >> > patches, which were posted to this list back in August. >> >> >> >> Thanks, so If it mentions "DUP" on the metadata & system line I'm using RAID1? >> > >> > No, DUP is two copies of the data (or metadata), but kept on the >> > same block device. >> > >> If the word RAID isn't mentioned, I'm in single mode for both metadata & data? > > If there's nothing at all, then it's "single". If it says DUP, then > you have two redundant copies, but they could both be on the same > block device, so it'll protect you from a bad block or out-of-band > data corruption, but not from the loss of the whole disk. > > 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 > --- Ceci est un travail pour l'Australien. --- > Just curious, If I go with RAID1 will I still get the speed boost that comes along with RAID0? (Read from both drives) Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
