[Lustre-discuss] How to configure routing

[Jerome, Ron]

That's what I was hoping, but I'm still having trouble getting the
routing to work.

My MGS is at 192.168.0.200 at tcp

On my gateway node, I have...

      options lnet networks="tcp0(eth0),tcp1(eth1)" routes="tcp1
192.168.0.2 at tcp ;\
                                                            tcp0
132.246.xxx.xxx at tcp1"

Then from the node solely connected to the public (132.246) network, I
try to mount 

      mount  -t lustre 192.168.0.200 at tcp:/data /mnt/data 

but regrettably this does not work :-(


Ron. 

> -----Original Message-----
> From: Canon, Richard Shane [mailto:canonrs at ornl.gov]
> Sent: January 16, 2008 10:03 AM
> To: Jerome, Ron
> Cc: He.Huang at Sun.COM; Lustre-discuss at clusterfs.com
> Subject: RE: [Lustre-discuss] How to configure routing
> 
> 
> Ron,
> 
> You don't have to rely on IP routing.  You can use Lustre routing
> instead.  You have the basic config line below.  The external clients
> need to know about both networks and the routers.  You should be able
> to
> use the same LNET module options everywhere.  You would do a mount
> like...
> 
> mount -t lustre <mds ip>@tcp1:/lustre/client /mnt
> 
> Assuming the private network is tcp1 and tcp0 is the public network.
> 
> 
> --Shane
> 
> -----Original Message-----
> From: lustre-discuss-bounces at clusterfs.com
> [mailto:lustre-discuss-bounces at clusterfs.com] On Behalf Of Balagopal
> Pillai
> Sent: Wednesday, January 16, 2008 9:27 AM
> To: Jerome, Ron
> Cc: He.Huang at Sun.COM; Lustre-discuss at clusterfs.com
> Subject: Re: [Lustre-discuss] How to configure routing
> 
> Hi,
> 
>           Interesting scenario if routing between public and private
> subnets for mounting lustre filesystem is possible
> without disturbing the network admins for public subnet :-) One way
> around would be
> to build tunnels like ipip for example between the gateway machine on
> the cluster
> that has access to both nets and with other hosts on the public net.
> Then Lustre mount
> could work over the tunnel with static routes to access the
MGS/MDS/OST
> over the tunnel.
> 
> Regards
> Balagopal
> 
> Jerome, Ron wrote:
> > Hi Isaac,
> >
> > Yes I had read the documentation prior to posting my question but a
> > couple of things were still unclear to me, but first a bit more
> > background... My lustre filesystem & my cluster reside on a private
> > (192.169.xxx.xxx) network I have a couple of machines which are
> > connected to both the private network and our public network and I
> would
> > like a machine which only has access to the public network to mount
> the
> > lustre filesystem on the private network via one of the nodes which
> > spans both.
> >
> > So my questions are...
> >
> > a) is it possible to route to and from a private (192.168.xxx.xxx)
> > Ethernet network to a public one (132.246.xxx.xxx)? The documents
> only
> > show routing between Ethernet and other networks such as elan,
> Myrinet
> > etc.
> >
> > b) if this is possible, what is the correct syntax for the
> modprobe.conf
> > file?  I currently have...
> >
> >   options lnet networks="tcp0(eth0),tcp1(eth1)" routes="tcp1
> > 192.168.0.2 at tcp"
> >
> > c) from a client on the public network what would the syntax be for
> > accessing (mounting) the mgs through the routing node?
> >
> >
> > Thanks very much,
> >
> > Ron.
> >
> >
> >> -----Original Message-----
> >> From: He.Huang at Sun.COM [mailto:He.Huang at Sun.COM]
> >> Sent: January 16, 2008 8:25 AM
> >> To: Jerome, Ron
> >> Cc: Lustre-discuss at clusterfs.com
> >> Subject: Re: [Lustre-discuss] How to configure routing
> >>
> >> On Tue, Jan 15, 2008 at 02:27:39PM -0500, Jerome, Ron wrote:
> >>
> >>>    I would like to use a client as a router between two tcp
> networks
> >>>
> >> (eth0
> >>
> >>>    and eth1) but it is unclear to me how to configure this in
> >>>    modprobe.conf.
> >>>
> >>>
> >>>    Any suggestions would be greatly appreciated.
> >>>
> >> http://manual.lustre.org/manual/LustreManual16_HTML/DynamicHTML-06-
> >> 1.html
> >>
> >> Please read section 3.2.2.
> >>
> >> Isaac
> >>
> >
> > _______________________________________________
> > Lustre-discuss mailing list
> > Lustre-discuss at clusterfs.com
> > https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
> >
> 
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