public inbox for linux-xfs@vger.kernel.org
 help / color / mirror / Atom feed
From: Emmanuel Florac <eflorac@intellique.com>
To: laurent+xfs@u-picardie.fr
Cc: xfs@oss.sgi.com
Subject: Re: able to mount a fs, unable to repair it
Date: Thu, 23 Dec 2010 22:44:45 +0100	[thread overview]
Message-ID: <20101223224445.12ce6dde@galadriel.home> (raw)
In-Reply-To: <87zkrws2pa.fsf@ezri.u-picardie.fr>

Le Thu, 23 Dec 2010 20:34:41 +0100 vous écriviez:

> > My advice : software RAID stinks under high CPU load/ high IO. Use
> > hardware RAID whenever possible because it provides more predictable
> > performance and remove many weird software interactions from the
> > picture.  
> 
> The 3w9550sx doesn't raid6, but I admit I've been thinking of using
> its raid5 instead of the slow soft raid6.

Ah that's a valid reason :) RAID-5 is reasonable with disks under 1TB
and arrays up to 6 TB. Further it's a bet against the law of physics :)

However, a reliable RAID-5 is probably safer than an experimental
RAID-6 overall :)

-- 
------------------------------------------------------------------------
Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |	<eflorac@intellique.com>
                    |   +33 1 78 94 84 02
------------------------------------------------------------------------

_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs

  reply	other threads:[~2010-12-23 21:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-23  1:53 able to mount a fs, unable to repair it laurent+xfs
2010-12-23  4:04 ` Eric Sandeen
2010-12-23 17:35 ` Emmanuel Florac
2010-12-23 19:34   ` laurent+xfs
2010-12-23 21:44     ` Emmanuel Florac [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-12-23 23:47 Richard Scobie

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=20101223224445.12ce6dde@galadriel.home \
    --to=eflorac@intellique.com \
    --cc=laurent+xfs@u-picardie.fr \
    --cc=xfs@oss.sgi.com \
    /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