Ahhh, that might be the problem. I only defined a route on the gateway node. Is it possible to dynamically add a route? Since I'm dealing with a production file system, I can't really shut it down to play with the routing. Ron.
________________________________ From: Cliff White [mailto:[EMAIL PROTECTED] Sent: Wed 1/16/2008 6:07 PM To: Jerome, Ron Cc: [email protected] Subject: Re: [Lustre-discuss] How to configure routing Jerome, Ron wrote: > That's what I was hoping, but I'm still having trouble getting the > routing to work. > > My MGS is at [EMAIL PROTECTED] > > On my gateway node, I have... > > options lnet networks="tcp0(eth0),tcp1(eth1)" routes="tcp1 > [EMAIL PROTECTED] ;\ > tcp0 > [EMAIL PROTECTED]" > > Then from the node solely connected to the public (132.246) network, I > try to mount > > mount -t lustre [EMAIL PROTECTED]:/data /mnt/data > > but regrettably this does not work :-( All nodes involved need to have routes defined, are the routes defined on the clients and servers also? cliffw > > > Ron. > >> -----Original Message----- >> From: Canon, Richard Shane [mailto:[EMAIL PROTECTED] >> Sent: January 16, 2008 10:03 AM >> To: Jerome, Ron >> Cc: [EMAIL PROTECTED]; [email protected] >> 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: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Balagopal >> Pillai >> Sent: Wednesday, January 16, 2008 9:27 AM >> To: Jerome, Ron >> Cc: [EMAIL PROTECTED]; [email protected] >> 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 >>> [EMAIL PROTECTED]" >>> >>> 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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >>>> Sent: January 16, 2008 8:25 AM >>>> To: Jerome, Ron >>>> Cc: [email protected] >>>> 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 >>> [email protected] >>> https://mail.clusterfs.com/mailman/listinfo/lustre-discuss >>> >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> https://mail.clusterfs.com/mailman/listinfo/lustre-discuss > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
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