From: keld@keldix.com
To: Gionatan Danti <g.danti@assyoma.it>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID 10 far and offset on-disk layouts
Date: Fri, 27 Dec 2013 16:49:52 +0100 [thread overview]
Message-ID: <20131227154952.GA6539@www5.open-std.org> (raw)
In-Reply-To: <52BD9B4F.3000509@assyoma.it>
On Fri, Dec 27, 2013 at 04:22:55PM +0100, Gionatan Danti wrote:
>
> >On Fri, Dec 27, 2013 at 03:29:49PM +0100, Gionatan Danti wrote:
> >The wikipedia description is what you get for new arrays with newer
> >kernels, while the suse documentation is what you will get with older
> >kernels.
> >The wikipedia layout was made because there are better chances of recovery,
> >Chances went from 1/3 to 2/3 with eg 4 drives, when 2 drives were failing.
> >
> >I would say that the Suse description is just not updated.
> >
> >Best regards
> >Keld
> >
>
> Interesting. Two question:
> 1) from which kernel the layout is the one depicted by Wikipedia?
> 2) it is possible, using mdadm, check what "far" layout is in use?
I cannot answer that. Neil Brown should know.
Best regards
Keld
next prev parent reply other threads:[~2013-12-27 15:49 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-27 14:29 RAID 10 far and offset on-disk layouts Gionatan Danti
2013-12-27 14:46 ` Peter Grandi
2013-12-27 15:16 ` Gionatan Danti
2013-12-27 17:16 ` Peter Grandi
2013-12-27 17:32 ` Gionatan Danti
2013-12-27 18:26 ` keld
2013-12-27 15:19 ` keld
2013-12-27 15:22 ` Gionatan Danti
2013-12-27 15:49 ` keld [this message]
2014-01-09 8:03 ` Gionatan Danti
2014-01-12 23:20 ` NeilBrown
2014-01-13 8:52 ` Gionatan Danti
2014-01-13 9:45 ` NeilBrown
2014-01-13 10:15 ` Gionatan Danti
2014-01-13 22:27 ` NeilBrown
2014-01-13 23:38 ` keld
2014-01-14 0:46 ` Stan Hoeppner
2014-01-14 9:38 ` keld
2014-01-14 9:06 ` Gionatan Danti
2014-01-14 9:16 ` NeilBrown
2014-01-14 9:27 ` Gionatan Danti
2014-01-14 10:06 ` keld
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131227154952.GA6539@www5.open-std.org \
--to=keld@keldix.com \
--cc=g.danti@assyoma.it \
--cc=linux-raid@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.