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Re: RAIDframe parity logging
On Fri, Aug 07, 2009 at 11:59:31AM -0400, Thor Lancelot Simon wrote:
> I have been intrigued by the performance numbers from the CMU
> parity logging paper for a while now:
> Essentially, they claim RAID1-like performance for small writes
> with RAID5-like storage efficiency. The numbers in the paper were
> generated with code related to our in-kernel RAIDframe.
This is, by the way, raid level 'L' according to our raid.conf files.
And you need options RF_INCLUDE_PARITYLOGGING=1 in your kernel
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