[Lustre-discuss] LNET TCP

[Isaac Huang]

On Fri, Apr 24, 2009 at 09:38:13AM +1000, Andrew Brooker wrote:
> I'm having some difficulty with a slightly more complicated multihomed TCP
> based LNET.
> Here is what I would like to achieve, have a single MGS/MDT server that
> lives on two physically separate IP networks. Be able to add OSTs from
> either network and be able to have clients on both sides of the networks.
> 
> Oh and be able to limit what IPs my OSTs and Clients can connect from - but
> unsure if Lustre can do this with ip2nets?

No, 'ip2nets' is equivalent to 'networks'.

> Example:
> 
> options lnet networks=tcp0(eth1),tcp1(eth0)
> 
> 1 UP mgc MGC192.168.200.20 at tcp 2b59....
> 5 UP mgc MGC1.2.3.4 at tcp1 ...
> 
> mount -t lustre 1.2.3.4 at tcp1:/myfs /mnt/myfs
> mount.lustre: mount 1.2.3.4 at tcp1:/myfs at /mnt/myfs failed: No such file or
> directory
> Is the MGS specification correct?
> Is the filesystem name correct?
> If upgrading, is the copied client log valid? (see upgrade docs)

If no error showed up on console or dmesg, please:
echo +neterror > /proc/sys/lnet/printk

And try again.

Isaac