Richard Pieri <[email protected]> writes:
> On 4/10/2013 11:00 AM, Derek Atkins wrote:
>> Is there a way to set up btrfs such that it can suvive a failure of any
>> two disks in the array (ala raid6 or raid-z2)?
>
> Btrfs currently does not do n-way replication. It's in the works along
> with raid5/6.
>
> It is possible to layer Btrfs on dm-raid and mdadm devices. You can
> build ZFS-like subdevices as RAID1 or RAID5/6 and use these metadevices
> to create your Btrfs volumes.
Sure, but then you're subject to the raid5 write hole (and I think raid6
is also subject). I'm trying to avoid that by using a raiding
filesystem like ZFS or BTRFS.
-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
[email protected] PGP key available
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