[Gluster-users] xen image on glusterfs

Vijay Bellur vijay at gluster.com
Wed Apr 28 06:46:37 UTC 2010

Hi Nick,

Have you used --disable-direct-io-mode while starting glusterfs? If not, 
can you please give it a try?


Nick Birkett wrote:
> I tried installing a xen disk image to glusterfs : version 3.0.4. 
> Transport tcp (Gbit).
> Glusterfs works fine with other applications. Iozone reports 
> 110Mbytes/s read / write.
> I copied and existing xen disk image to glusterfs as root.
> [root at xenbox xen]# ls /data1/vm/xen/SL54/sl54.img
> /data1/vm/xen/SL54/sl54.img
> [root at xenbox xen]# xm create -c sl54.data1
> Using config file "./sl54.data1".
> Hangs at the booting stage.
> If I copy the sl54.img to local disk, then vm boots ok.
> Also noted if I use RedHat virt-manager to kickstart a new vm, network 
> dies at loading xenblck driver
> when the image directory is on glusterfs.
> I know xen does some wierd network things.
> Perhaps some resource conflicts ?
> Nick
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