From: NeilBrown <neilb@suse.de>
To: Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: User space RAID-6 access
Date: Tue, 1 Feb 2011 07:52:59 +1100 [thread overview]
Message-ID: <20110201075259.4beaf501@notabene.brown> (raw)
In-Reply-To: <20110131202054.GA15712@lazy.lzy>
On Mon, 31 Jan 2011 21:20:55 +0100 Piergiorgio Sartor
<piergiorgio.sartor@nexgo.de> wrote:
> Hi all,
>
> some times ago, I think was Neil, it was mentioned
> about the possibility to access consistently a RAID-6
> array from user space, in order to be able to perform
> some checks, like the notorius "which HDD has wrong data".
>
> Is there any reference or documentation or source code
> which can be taken as example for such a case?
>
Look in the mdadm source code, particularly at restripe.c
Also
make test_stripe
make a program the the test suite uses for verify data correctness.
That should give you enough hints to get you started.
NeilBrown
next prev parent reply other threads:[~2011-01-31 20:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-31 20:20 User space RAID-6 access Piergiorgio Sartor
2011-01-31 20:52 ` NeilBrown [this message]
2011-02-01 19:21 ` Piergiorgio Sartor
2011-02-01 20:14 ` John Robinson
2011-02-01 20:18 ` NeilBrown
2011-02-01 21:00 ` Piergiorgio Sartor
2011-02-05 17:33 ` Piergiorgio Sartor
2011-02-05 20:58 ` NeilBrown
2011-02-07 22:24 ` [PATCH] " Piergiorgio Sartor
2011-02-07 22:49 ` NeilBrown
2011-02-09 18:47 ` Piergiorgio Sartor
2011-02-17 6:23 ` NeilBrown
2011-02-17 20:01 ` Piergiorgio Sartor
2011-02-18 23:02 ` Piergiorgio Sartor
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