[Xen-users] problem sharing logical volume across xen domains

[John Preston <byhisdeeds@xxxxxxxxx>]

 I am a newbie to xen and am seeking some assistance in checking if I'm heading down the right path or not.

I
have a network (192.168.x.x) that I want to keep closed and private for
the most part. I need however to get access to some files generated on
the machines in this private network. So I first tried putting two
cards in a machine running centos 5.2 and connecting one to the private
newtork and the other to the public network. This worked somewhat but I
was not able to see this bridging machine in the private network
because I could not run 2 samba instances on this machine ( I need one
for the public network). So I setup xen on a machine with the 2 NIC's
and assigned one card to the host dom and the other to the guest dom
which was connected to the private network.

This worked ok, but
the only issue was the shared disk space. I couldn't use nfs because
each machine operates in a different subnet and I don't know how to
export a nfs drive across domains. So I created a logical volume on a
disk and mounted this in both domains.

Here comes the question
now. This works some times,. but at other times I copy files from the
private machine to the shared volume but i can't see them from the
other domain. Also sometimes the guest domain which houses the private
network server hangs during boot up saying that the logical volume has
been assigned and cannot be mounted.

1) Is what I'm doing using logical volumes across domains legal (best practise, etc)
2) Is there another way for me to achieve what I want (sharing a disk partition across domains).

John
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