Re: [Xen-users] iscsi storage and multipathing

["Javier Guerra" <javier@xxxxxxxxxxx>]

On Mon, Jan 12, 2009 at 11:53 AM, Andrew Deagman <andrew@xxxxxxxxxx> wrote:
> First, I am new to Xen.... So forgive me if I am overlooking something. Here
> is my situation, I have multiple dom0's that are part of an ocfs2 cluster.
> The dom0's mount multiple volumes (/home, /app, /images) from an ISCSI
> storage array.  Their eth2/eth3 network interfaces are attached to a private
> storage network. They are not part of Xen's network bridge and have
> multipathing enabled. I have 24 domU's that need to mount the same set of
> volumes as the dom0's. I tried to have dom0's eth2/3 become part of a

since you're using a cluster filesystem, and already have the block
devices accessible on Dom0, i'd say that the easiest (and maybe more
efficient) would be to share the block devices, and not try to use
iSCSI on the DomU's.



> network bridge that could be accessed by the domU's. This worked for the
> domU's but multipathing broke for dom0's . I would like to have multiple
> paths from the domU's since it will provide increased bandwidth and
> rendundancy to the storage network. My question is what is the best
> configuration to access the iscsi volumes from the domU's while maintining
> redundancy in dom0?

-- 
Javier

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