On Wed, Feb 16, 2011 at 10:50:57PM +0200, Gal Buki wrote: > I have RAID 10 using 4 times 500GB drives (1TB of storage). > Is it possible to create another RAID 10 with 4 times 250GB drives > (500GB of storage) and then combine those two RAIDs to one file > system so that I would be able to get 1.5TB? > > If I create one RAID 10 with all 8 drives I would only be able to > use 8 times 250GB /2 = 1TB, right? No, just add the new drives to the existing btrfs pool, and run a balance, and you should get a btrfs filesystem with 1.5TB of mirrored/striped storage. 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 --- Anyone who claims their cryptographic protocol is secure is --- either a genius or a fool. Given the genius/fool ratio for our species, the odds aren't good.
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