[dm-devel] Online disk size change and Linux
Pasi Kärkkäinen
pasik at iki.fi
Tue Jan 19 20:08:52 UTC 2010
On Tue, Jan 19, 2010 at 01:42:37PM -0200, Daniel Olops wrote:
> Sorry if this is off-topic... but if anyone could help, it'd be good.
>
> Is Linux (more specifically Red Hat EL 5.4) able to recognize _disk_ size
> changes online? We have some HP servers with QLogic HBAs connected to an
> EVA 4000 Storage, with multipathing properly set up. These disks can be
> resized online, but only after a reboot that RHEL recognizes the change.
> I've been trying to find any information about it, but to no avail.
>
I've done iSCSI LUN online resizing using Equallogic storage arrays.
See: http://pasik.reaktio.net/rhel5-online-iscsi-resize-test.txt
-- Pasi
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