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From: "Miquel van Smoorenburg" <miquels@cistron.nl>
To: linux-kernel@vger.kernel.org
Subject: Re: Rereading disk geometry without reboot
Date: Tue, 7 Dec 2004 21:12:27 +0000 (UTC)	[thread overview]
Message-ID: <cp56br$glj$1@news.cistron.nl> (raw)
In-Reply-To: 20041207172812.GD11423@lnx-holt.americas.sgi.com

In article <20041207172812.GD11423@lnx-holt.americas.sgi.com>,
Robin Holt  <holt@sgi.com> wrote:
>On Mon, Dec 06, 2004 at 02:23:56PM -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)?
>
>Does anybody know if lvm can do this?

Yes, with LVM and XFS you can grow a logical volume and resize XFS
to fit without taking the filesytem offline.

Mike.


      reply	other threads:[~2004-12-07 21:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-06 20:23 Rereading disk geometry without reboot 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
2004-12-09 15:45   ` Andy
2004-12-07 17:28 ` Robin Holt
2004-12-07 21:12   ` Miquel van Smoorenburg [this message]

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