From: Mark Haverkamp <markh@osdl.org>
To: Andy <genanr@emsphone.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Rereading disk geometry without reboot
Date: Tue, 07 Dec 2004 08:37:07 -0800 [thread overview]
Message-ID: <1102437427.23136.3.camel@markh1.pdx.osdl.net> (raw)
In-Reply-To: <20041206202356.GA5866@thumper2>
On Mon, 2004-12-06 at 14:23 -0600, Andy wrote:
> I am using linux kernel 2.6.9 on a san. I have file systems on
> non-partitioned disks. I can resize the disk on the SAN, reboot and grow
> the XFS file system those disks. What I would like to avoid rebooting or
> even unmounting the filesystem if possible.
>
> Is there any way to get the kernel to re-read the disk geometry and change
> the information it holds without rebooting or reloading the module (which is
> as bad as a reboot in my case)?
You can re-scan a scsi device via sysfs. You can, for example,
echo 1 > /sys/block/sdc/device/rescan
to rescan that device.
Mark.
>
> Thanks,
>
> Andy
> -
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--
Mark Haverkamp <markh@osdl.org>
next prev parent reply other threads:[~2004-12-07 16:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-06 20:23 Andy
2004-12-07 11:41 ` Jan Engelhardt
2004-12-07 15:16 ` Randy.Dunlap
2004-12-07 17:23 ` Jan Engelhardt
2004-12-07 16:37 ` Mark Haverkamp [this message]
2004-12-09 15:45 ` Andy
2004-12-07 17:28 ` Robin Holt
2004-12-07 21:12 ` Miquel van Smoorenburg
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