From: Mike Hardy <mhardy@h3c.com>
To: linux-raid@vger.kernel.org
Subject: Re: ludicrous speed: raid6 reconstruction
Date: Fri, 03 Feb 2006 13:56:04 -0800 [thread overview]
Message-ID: <43E3D174.3090608@h3c.com> (raw)
In-Reply-To: <20060203211558.GA7559@amd64.of.nowhere>
I saw this on my array, and other(s) have reported it as well.
Apparently the reconstruction speed algorithm doesn't understand that
it's not syncing all the blocks and hilarity ensues. I believe that was
it, anyway
Either that or you really have a hell of a server :-)
-Mike
jurriaan wrote:
> Personalities : [linear] [raid0] [raid1] [raid5] [raid4] [raid6]
> md0 : active raid6 sdh1[7] sdg1[6] sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1] sda1[0]
> 1465175424 blocks level 6, 64k chunk, algorithm 2 [8/8] [UUUUUUUU]
> [==================>..] resync = 91.0% (222239104/244195904) finish=0.0min speed=7369041K/sec
> bitmap: 23/233 pages [92KB], 512KB chunk
> I am reminded of Spaceball's 'ludicrous speed' here. This is after a
> reboot from 2.6.16-rc1-mm3 (where the array was built) to 2.6.16-rc1-mm5
> (where rebuilding continued thanks to the bitmap).
next prev parent reply other threads:[~2006-02-03 21:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-03 21:15 ludicrous speed: raid6 reconstruction jurriaan
2006-02-03 21:56 ` Mike Hardy [this message]
2006-02-04 0:03 ` Guy
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