From: "NeilBrown" <neilb@suse.de>
To: Tirumala Reddy Marri <tmarri@amcc.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID-5 creation crashes when files system installed while recovery going on
Date: Wed, 24 Jun 2009 12:31:07 +1000 (EST) [thread overview]
Message-ID: <a5f578de750a09c145f5d4f50e90a4f8.squirrel@neil.brown.name> (raw)
In-Reply-To: <AC5E1C3367E37D44970B81A6ADD1DA2C0797AC80@SDCEXCHANGE01.ad.amcc.com>
On Wed, June 24, 2009 8:35 am, Tirumala Reddy Marri wrote:
> All,
> I started RAID-5 creation using mdadm command. While recovery is
> happening I tried to install file system . I see intermittent crash .
> And crash doesn't happen at fixed location. Any clue what could be the
> problem? How does the read/writes to MD driver handled while RAID-5 is
> under building.
Can you describe exactly what you mean by "crash" ??
The raid5 driver normally has no problems handling writes while
it is resyncing. It has a 'stripe_cache' which is used to
synchronise regular IO with resync IO.
NeilBrown
next prev parent reply other threads:[~2009-06-24 2:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-23 22:35 RAID-5 creation crashes when files system installed while recovery going on Tirumala Reddy Marri
2009-06-24 2:31 ` NeilBrown [this message]
[not found] ` <AC5E1C3367E37D44970B81A6ADD1DA2C0534ABE5@SDCEXCHANGE01.ad.amcc.com>
2009-06-24 6:55 ` NeilBrown
2009-06-24 22:36 ` Tirumala Reddy Marri
2009-06-24 23:45 ` Tirumala Reddy Marri
2009-06-26 1:25 ` Dan Williams
2009-06-26 18:27 ` Tirumala Reddy Marri
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