Date: Wed, 26 Jan 2011 09:42:42 +0100 From: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de> To: freebsd-questions@freebsd.org Subject: FreeBSD 9/ZFS: Striped Pool (2 disks) migrating to mirror (onto additional disk) Message-ID: <4D3FDE82.4000105@mail.zedat.fu-berlin.de>
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I've got a problem. For performance reasons I use two 1TB harddrives as a single pool, and as far as I know, ZFS on recent FreeBSD 9/amd64 treats suchs pools 'striped'. Well, I can measure a performance gain in writing and reading. Well, for backup, I use an additional 2TB disk, ZFS, compressed, the backup is done manually via rsync (i'm looking for more suitable simple backup solutions). My question is: is it possible to migrate the two-disk pool without data loss into a mirrored pool by adding the one 2TB-disk? Comments appreciated, thanks in advance, Oliver
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