From: Nix <nix@esperi.org.uk>
To: Neil Brown <neilb@suse.de>
Cc: David Chinner <dgc@sgi.com>, Avi Kivity <avi@argo.co.il>,
david@lang.hm, linux-kernel@vger.kernel.org,
linux-raid@vger.kernel.org
Subject: Re: limits on raid
Date: Thu, 21 Jun 2007 21:08:54 +0100 [thread overview]
Message-ID: <87d4zp1355.fsf@hades.wkstn.nix> (raw)
In-Reply-To: <18041.59628.370832.633244@notabene.brown> (Neil Brown's message of "21 Jun 2007 03:57:09 +0100")
On 21 Jun 2007, Neil Brown stated:
> I have that - apparently naive - idea that drives use strong checksum,
> and will never return bad data, only good data or an error. If this
> isn't right, then it would really help to understand what the cause of
> other failures are before working out how to handle them....
Look at the section `Disks and errors' in Val Henson's excellent report
on last year's filesystems workshop: <http://lwn.net/Articles/190223/>.
Most of the error modes given there lead to valid checksums and wrong
data...
(while you're there, read the first part too :) )
--
`... in the sense that dragons logically follow evolution so they would
be able to wield metal.' --- Kenneth Eng's colourless green ideas sleep
furiously
next prev parent reply other threads:[~2007-06-21 20:08 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-15 2:58 limits on raid david
2007-06-15 3:05 ` Neil Brown
2007-06-15 3:43 ` david
2007-06-15 3:58 ` Neil Brown
2007-06-15 9:13 ` David Chinner
2007-06-15 22:21 ` Neil Brown
2007-06-15 11:10 ` Avi Kivity
2007-06-15 16:23 ` Jan Engelhardt
2007-06-15 17:20 ` Avi Kivity
2007-06-15 21:59 ` Neil Brown
2007-06-16 17:23 ` Avi Kivity
2007-06-17 13:00 ` Andi Kleen
2007-06-18 4:57 ` David Chinner
2007-06-21 2:56 ` Neil Brown
2007-06-21 6:39 ` David Chinner
2007-06-21 6:45 ` david
2007-06-21 8:59 ` David Greaves
2007-06-21 17:00 ` Mark Lord
2007-06-21 11:00 ` David Chinner
2007-06-21 12:40 ` Mattias Wadenstein
2007-06-21 14:40 ` Justin Piszcz
2007-06-21 16:48 ` david
2007-06-21 18:30 ` Martin K. Petersen
2007-06-21 20:08 ` Nix [this message]
2007-06-16 2:03 ` Wakko Warner
2007-06-16 3:47 ` Neil Brown
2007-06-16 4:40 ` Dan Merillat
2007-06-16 7:48 ` david
2007-06-16 13:38 ` David Greaves
2007-06-16 17:16 ` david
2007-06-17 17:16 ` Bill Davidsen
2007-06-18 17:20 ` Brendan Conoboy
2007-06-18 17:28 ` david
2007-06-18 18:03 ` Lennart Sorensen
2007-06-18 18:12 ` david
2007-06-18 18:33 ` Lennart Sorensen
2007-06-18 18:40 ` david
2007-06-18 19:11 ` Brendan Conoboy
2007-06-18 20:52 ` david
2007-06-18 21:46 ` Wakko Warner
2007-06-18 21:56 ` david
2007-06-18 22:00 ` Brendan Conoboy
2007-06-19 20:11 ` Lennart Sorensen
2007-06-19 20:51 ` david
2007-06-19 15:07 ` Phillip Susi
2007-06-19 19:28 ` david
2007-06-18 18:07 ` Brendan Conoboy
2007-06-18 18:16 ` david
2007-06-16 13:33 ` David Greaves
2007-06-17 1:44 ` dean gaudet
2007-06-21 3:01 ` Neil Brown
2007-06-21 8:49 ` David Greaves
2007-06-16 14:08 ` Wakko Warner
2007-06-17 1:47 ` dean gaudet
2007-06-17 13:28 ` Wakko Warner
2007-06-17 17:28 ` dean gaudet
2007-06-17 19:30 ` Wakko Warner
2007-06-17 19:54 ` dean gaudet
2007-06-17 20:46 ` david
2007-06-17 20:44 ` david
2007-06-17 17:14 ` Bill Davidsen
2007-06-21 23:03 ` Bill Davidsen
2007-06-22 2:24 ` Neil Brown
2007-06-22 8:10 ` David Greaves
2007-06-22 9:51 ` david
2007-06-22 12:39 ` David Greaves
2007-06-22 16:00 ` Bill Davidsen
2007-06-22 16:55 ` David Greaves
2007-06-22 18:41 ` david
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