Re: [dm-devel] Online disk size change and Linux

[Mike Anderson <andmike linux vnet ibm com>]

Daniel Olops <daniel olops eti br> 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.
> 

The steps listed at the urls below are manual steps to resize. Do the
steps listed at either of the urls below address your needs?

http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.4/html/DM_Multipath/MPIO_admin-troubleshoot.html#online_device_resize

http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/html/Online_Storage_Reconfiguration_Guide/index.html

-andmike
--
Michael Anderson
andmike linux vnet ibm com