From: Pavel Machek <pavel@suse.cz>
To: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Neil Brown <neilb@suse.de>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-raid <linux-raid@vger.kernel.org>
Subject: Re: [patch] raid1: allow user to force reads from a specific disk
Date: Thu, 17 Aug 2006 15:04:19 +0000 [thread overview]
Message-ID: <20060817150419.GC5950@ucw.cz> (raw)
In-Reply-To: <200608062018_MC3-1-C74D-B4E9@compuserve.com>
Hi!
> Allow user to force raid1 to read all data from a given disk.
> This lets users do integrity checking by comparing results
> from reading different disks. If at any time the system finds
> it cannot read from the given disk it resets the disk number
> to -1, the default, which means to balance reads.
>
> Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Using /sysfs as an interface... so that two utilities checking disk
integrity will interfere with each other and integrity check will
interfere with normal work. Perhaps ioctl/fcntl and per-fd status is
would be right thing to do?
--
Thanks for all the (sleeping) penguins.
next prev parent reply other threads:[~2006-08-17 15:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-07 0:15 [patch] raid1: allow user to force reads from a specific disk Chuck Ebbert
2006-08-07 0:38 ` Neil Brown
2006-08-17 15:04 ` Pavel Machek [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-08-07 8:45 Chuck Ebbert
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