From: Jools Wills <jools@oxfordinspire.co.uk>
To: Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>
Cc: Neil Brown <neilb@suse.de>,
max@maxeaves.co.uk, linux-raid@vger.kernel.org,
Doug Ledford <dledford@redhat.com>
Subject: Re: Problems with RAID 6 across 15 disks
Date: Thu, 01 Apr 2010 23:58:56 +0100 [thread overview]
Message-ID: <1270162736.24051.0.camel@travelmate.workshop> (raw)
In-Reply-To: <20100401224644.GA2455@lazy.lzy>
On Fri, 2010-04-02 at 00:46 +0200, Piergiorgio Sartor wrote:
> Hi,
>
> > However there is real value in doing that check, at least occasionally. It
> > catches latent read errors.
>
> but since it is not possible to correct those errors,
> there is no point in doing it... :-)
Well it can. It can try and rewrite the block based on the data from the
other disks, and if the drive needs to, it can remap the bad block.
Best Regards
Jools
Jools Wills
--
IT Consultant
Oxford Inspire - http://www.oxfordinspire.co.uk - be inspired
t: 01235 519446 m: 07966 577498
jools@oxfordinspire.co.uk
next prev parent reply other threads:[~2010-04-01 22:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-01 13:23 Problems with RAID 6 across 15 disks Max Eaves
2010-04-01 13:49 ` Doug Ledford
2010-04-01 14:07 ` Max Eaves
2010-04-01 20:43 ` Neil Brown
2010-04-01 22:46 ` Piergiorgio Sartor
2010-04-01 22:58 ` Jools Wills [this message]
2010-04-01 23:04 ` Piergiorgio Sartor
2010-04-01 23:46 ` Michael Evans
2010-04-02 1:40 ` Jools Wills
2010-04-02 5:03 ` Neil Brown
2010-04-02 8:22 ` Piergiorgio Sartor
2010-04-02 10:21 ` Max Eaves
2010-04-02 5:55 ` responsiveness during raid check (Was: Problems with RAID 6 across 15 disks) Luca Berra
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