Re: [Xen-users] Expanding a virtual block device

[Victor Ramirez Lorca <vramirez@xxxxxxxxx>]

On Mon, May 2, 2011 at 5:07 AM, Vivien Bernet-Rollande
<vivien.bernet-rollande@xxxxxxxxxxxxxxxxx> wrote:
> in my case the domU resides in a lv at the dom0 too, i've used
>>
>> lvextend instead of  vdi-resize
>>
>>  Dom0#  lvextend -L +5G /dev/vg_r710/vol_xyz
>>
>> and followed the remaining steps from this link
>>
>>
>> http://www.michelem.org/2009/01/16/how-to-resize-a-disk-partition-on-a-xen-guest-linux-host/
>>
>> at the end  used  resizefs
>>
>> DomU# resize2fs /dev/vg_vm/lv_root
>>
>
> The solution you are offering requires a reboot of the VM, which I'm trying
> to avoid. I know how to resize a LV and filesystem.
> I want to resize my disk, and have Xen and the domU notice it, without
> having to reboot the domU.
>
> Is this actually possible with Xen ?

  i have not tested it but this should work on DomU  in the stage of
"reboot domU"
  partprobe(8)  part of gnuparted.

http://www.cyberciti.biz/tips/re-read-the-partition-table-without-rebooting-linux-system.html



>
> --
> Vivien Bernet-Rollande
> Systems&  Networking Engineer
> Alter Way Hosting
>
>

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