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Dan Ritter <dsr at randomstring.org> writes: > On Tue, Feb 26, 2013 at 11:00:58AM -0500, Derek Atkins wrote: >> Dan Ritter <dsr at randomstring.org> writes: >> >> > +++ >> > How much space do I get with unequal devices in RAID-1 mode? >> >> I presume this is also true of RAID-10 mode? > > I haven't done this myself, and I'm not sure. Fair enough. >> If you add new disks to an existing array (to grow the array) will it >> rebalance the stripes across the new disks? If so, will it do it >> automatically or does it require a user process to rebalance? (Note >> that rebalancing slowly is fine for my usage, provided it's a live >> rebalance). I've a similar question about replacing a disk with a >> larger one -- will it properly rebalance? > > Yes it can be rebalanced; no, it's not automatic. The command is > btrfs balance, and it can be paused, resumed and cancelled. The > same holds true for replacing disks. AWESOME. Now if only there were a FreeNAS equivalent based on BTRFS instead of ZFS ;) Maybe it'll happen by the time I'm ready to build a NAS server. It sounds like BTRFS will be exactly what I want. > -dsr- -derek -- Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory Member, MIT Student Information Processing Board (SIPB) URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH warlord at MIT.EDU PGP key available
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