linux-raid.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Niccolo Rigacci <niccolo@rigacci.org>
To: linux-raid@vger.kernel.org
Cc: Bill Cizek <cizek@rcn.com>, Gabor Gombas <gombasg@sztaki.hu>
Subject: Re: IBM xSeries stop responding during RAID1 reconstruction
Date: Tue, 20 Jun 2006 15:08:59 +0200	[thread overview]
Message-ID: <20060620130859.GA15394@rigacci.org> (raw)
In-Reply-To: <20060619150556.GQ11429@boogie.lpds.sztaki.hu>

On Mon, Jun 19, 2006 at 05:05:56PM +0200, Gabor Gombas wrote:
> 
> IMHO a much better fix is to use the cfq I/O scheduler during the
> rebuild.

Yes, changing the default I/O to DEFAULT_CFQ solve the problem 
very well, I get over 40 Mb/s resync speed with no lock-up at 
all!

Thank you very much, I think we can elaborate a new FAQ entry.

Do you know if it is possible to switch the scheduler at runtime?

-- 
Niccolo Rigacci
Firenze - Italy

Iraq, missione di pace: 38475 morti - www.iraqbodycount.net

  reply	other threads:[~2006-06-20 13:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-14  8:53 IBM xSeries stop responding during RAID1 reconstruction Niccolo Rigacci
2006-06-14 15:46 ` Bill Cizek
2006-06-15  9:12   ` Niccolo Rigacci
2006-06-15 10:13     ` Neil Brown
2006-06-17 10:01       ` Niccolo Rigacci
2006-06-19 15:05   ` Gabor Gombas
2006-06-20 13:08     ` Niccolo Rigacci [this message]
2006-06-20 13:27       ` Gabor Gombas
2006-06-20 15:00         ` Mr. James W. Laferriere
2006-06-20 15:45           ` Niccolo Rigacci
2006-06-20 16:38           ` Gabor Gombas
2006-06-26 14:52           ` Bill Davidsen

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=20060620130859.GA15394@rigacci.org \
    --to=niccolo@rigacci.org \
    --cc=cizek@rcn.com \
    --cc=gombasg@sztaki.hu \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).