[Discuss] On Btrfs raid and odd-count disks

Derek Atkins warlord at MIT.EDU
Wed Apr 10 11:00:21 EDT 2013


"Edward Ned Harvey (blu)" <blu at nedharvey.com> writes:

>> From: discuss-bounces+blu=nedharvey.com at blu.org [mailto:discuss-
>> bounces+blu=nedharvey.com at blu.org] On Behalf Of
>> 
>> Its funny, but I never considered an odd number of drives as viable for
>> raid1.
>
> What about a 3-way mirror?
> More appropriately, look up raid-1e.  It's a better description of btrfs raid-1.

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)?

-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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