From: Goswin von Brederlow <goswin-v-b@web.de>
To: David Cure <lnk@cure.nom.fr>
Cc: John Robinson <john.robinson@anonymous.org.uk>,
linux-raid@vger.kernel.org
Subject: Re: max number of devices in raid6 array
Date: Wed, 12 Aug 2009 16:53:13 +0200 [thread overview]
Message-ID: <87ab259j8m.fsf@frosties.localdomain> (raw)
In-Reply-To: <20090812121911.GG21118@nfs-rbx.ovh.net> (David Cure's message of "Wed, 12 Aug 2009 14:19:11 +0200")
David Cure <lnk@cure.nom.fr> writes:
> Le Wed, Aug 12, 2009 at 10:38:40AM +0100, John Robinson ecrivait :
>>
>> The limit is only with version 0.90 metadata, which is the default. I'd
>> recommend you do a bit of reading to pick metadata version 1.0, 1.1 or
>> 1.2, according to any requirements you may have, then tell mdadm what your
>> choice is with --metadata= while creating your array.
>
> thanks for your quick reply, I'm going to read the spec of these
> metadata's version.
>
> David.
And compute the overall MTBFS. With how many devices does the MTBFS of
a raid6 drop below that of a single disk?
MfG
Goswin
next prev parent reply other threads:[~2009-08-12 14:53 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-12 9:06 max number of devices in raid6 array David Cure
2009-08-12 9:38 ` John Robinson
2009-08-12 12:19 ` David Cure
2009-08-12 14:53 ` Goswin von Brederlow [this message]
2009-08-12 16:27 ` Billy Crook
2009-08-12 16:33 ` John Robinson
2009-08-13 2:52 ` Goswin von Brederlow
2009-08-13 3:39 ` Guy Watkins
2009-08-14 3:40 ` Leslie Rhorer
2009-08-17 7:31 ` Goswin von Brederlow
2009-08-13 4:22 ` Richard Scobie
2009-08-17 16:06 ` John Robinson
2009-08-17 16:09 ` John Robinson
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