From: Chris Mason <clm@fb.com>
To: "dave@thekilempire.com" <dave@thekilempire.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: Status of raid5/6 in 2014?
Date: Sat, 4 Jan 2014 01:11:00 +0000 [thread overview]
Message-ID: <1388797899.23513.2.camel@ret.masoncoding.com> (raw)
In-Reply-To: <CAAVQaYAx8yxtvM1Mg759FJpEx6rjHQo3_2F84LNMA_f0kP81Sg@mail.gmail.com>
On Fri, 2014-01-03 at 11:45 -0500, Dave wrote:
> Back in Feb 2013 there was quite a bit of press about the preliminary
> raid5/6 implementation in Btrfs. At the time it wasn't useful for
> anything other then testing and it's my understanding that this is
> still the case.
>
> I've seen a few git commits and some chatter on this list but it would
> appear the developers are largely silent. Parity based raid would be
> a powerful addition the the Btrfs feature stack and it's the feature I
> most anxiously await. Are there any milestones planned for 2014?
>
> Keep up the good work...
Thanks! The big thing missing from RAID5/6 has been logging of parity
to make sure the parity is consistent after a power outage. I'm back on
this now, and making some progress.
We also need to fix scrub support for raid5/6, which will happen after
the parity work.
-chris
prev parent reply other threads:[~2014-01-04 1:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-03 16:45 Status of raid5/6 in 2014? Dave
2014-01-04 1:04 ` Hans-Kristian Bakke
2014-01-04 1:11 ` Chris Mason [this message]
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