From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hannes Reinecke <hare@suse.de>
Subject: Re: online disk resizing
Date: Thu, 05 Jul 2007 09:33:44 +0200
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Roland Mieslinger wrote:
> I did the same with HP MSA in the past, but without dm involved.
>=20
> You can use "blockdev --rereadpt <blockdevice>" to make the the kernel
> recognise the new disk size (geometery). The nasty thing is that you
> have to stop all I/O to the blocdevice.=20
>=20
You've not only to stop all I/O, but also have to make sure that on-one
claims the device (ie no open files, not mounted, no device-mapper tables
etc.). Otherwise will the kernel reject any size updates.

Cheers,

Hannes
--=20
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg
GF: Markus Rex, HRB 16746 (AG N=FCrnberg)