Having never used Fluent, I have no idea. On Tue, Nov 11, 2008 at 4:03 PM, Ali Nazemian <[EMAIL PROTECTED]> wrote: > Ok,I'll do that. > But do u think this problem is caused by Fluent or its because of something > else?! > > On Wed, Nov 12, 2008 at 12:28 AM, Michael Edwards <[EMAIL PROTECTED]> > wrote: >> >> See what these get you, as root. >> >> df -h >> ls -l /home >> ls -l ~/.ssh >> >> If there isn't an oscartst user directory in home, try doing >> >> umount -a >> mount -a >> >> If those don't work, or give some helpful error message try >> mount -t nfs nfs_oscar:/home /home >> >> and then try doing the first three again if that works. >> >> Also, run "si_monitortk" and see when the nodes were last imaged. >> Might also be interesting to check and see what netbootmgr says the >> boot action is, assuming you are still network booting the nodes. >> >> It almost seems like you put a new >> >> On Tue, Nov 11, 2008 at 3:28 PM, Ali Nazemian <[EMAIL PROTECTED]> >> wrote: >> > As a root , and yeah i can switch monitor and keyboard to client node. >> > what >> > should i do?! >> > >> > On Tue, Nov 11, 2008 at 10:12 PM, Michael Edwards <[EMAIL PROTECTED]> >> > wrote: >> >> >> >> Thanks for the clarification, I thought you had changed the ssh config >> >> somehow. >> >> >> >> When you are running ssh, are you doing it as a user or as root? >> >> >> >> It sounds like what you did to shut down was fine. When you power on >> >> the cluster, you need to start the head node completely and then start >> >> the compute nodes separately, or sometimes the nfs mounts don't work >> >> right. If the nodes don't mount nfs correctly, then nothing will work >> >> right (ssh wise). >> >> >> >> Can you bring up a node (keyboard, monitor) and try some things? >> >> >> >> >> >> On Tue, Nov 11, 2008 at 12:07 PM, Ali Nazemian <[EMAIL PROTECTED]> >> >> wrote: >> >> > Nothing, its just work without any changes in sshd configuration . >> >> > Let me explain it more, i installed OSCAR successfully and also i ran >> >> > fluent >> >> > on it , after that i powered off head node and also client node >> >> > manually >> >> > ( i >> >> > think i powered off client node after head node , sorry when i said >> >> > restart >> >> > i meant power off), Next day , when i start to check Fluent again , i >> >> > meet >> >> > those problems. >> >> > Also about Fluent i just know that this software is support parallel >> >> > by >> >> > itself , it means there is no need to make a cluster network it has >> >> > everything that needed for parallel running by itself, the only thing >> >> > u >> >> > need >> >> > is configuring SSH and set Key for that(according to its >> >> > documentation) >> >> > , >> >> > for me SSH was configured by OSCAR before, so nothing need to be >> >> > changed... >> >> > Cheers. >> >> > >> >> > On Tue, Nov 11, 2008 at 6:00 PM, Michael Edwards <[EMAIL PROTECTED]> >> >> > wrote: >> >> >> >> >> >> Nothing needs to be reinstalled, just restart all the compute nodes. >> >> >> If cshutdown doesn't work, just try shutting off the power by hand. >> >> >> >> >> >> What did you have to change in sshd.conf for fluent to work? >> >> >> >> >> >> On Tue, Nov 11, 2008 at 9:00 AM, Ali Nazemian >> >> >> <[EMAIL PROTECTED]> >> >> >> wrote: >> >> >> > So now i should restarting OSCAR and Fluent for solving this >> >> >> > problem?! >> >> >> > or >> >> >> > try to use rsh for Fluent?! ( security risk?!) >> >> >> > If i can solve this problem without re-installing let me know . >> >> >> > regards. >> >> >> > >> >> >> > On Tue, Nov 11, 2008 at 4:38 PM, Michael Edwards >> >> >> > <[EMAIL PROTECTED]> >> >> >> > wrote: >> >> >> >> >> >> >> >> If you reboot the head node, you should reboot the cluster nodes >> >> >> >> also >> >> >> >> using "cshutdown -r". If you don't, then the nfs mounts on the >> >> >> >> compute nodes stop working and you see problems like you are >> >> >> >> having >> >> >> >> with ssh asking for passwords. >> >> >> >> >> >> >> >> For passwordless ssh to work the way oscar is set up, all the >> >> >> >> /home >> >> >> >> directories have to be mounted via nfs from the head node. Since >> >> >> >> the >> >> >> >> nfs mounts all broke when you rebooted the head node, fluent >> >> >> >> stopped >> >> >> >> working too. >> >> >> >> >> >> >> >> On Tue, Nov 11, 2008 at 4:17 AM, Ali Nazemian >> >> >> >> <[EMAIL PROTECTED]> >> >> >> >> wrote: >> >> >> >> > Hi again, >> >> >> >> > I installed OSCAR successfully , and all running test were >> >> >> >> > successful >> >> >> >> > , >> >> >> >> > after that i install fluent 64 on my head node Home directory >> >> >> >> > and >> >> >> >> > tried >> >> >> >> > to >> >> >> >> > run parallel using ssh with that , every thing was okey and i >> >> >> >> > succeed >> >> >> >> > with >> >> >> >> > running Fluent using parallel and with the default HP mpi of >> >> >> >> > this >> >> >> >> > program . >> >> >> >> > everything was ok until i restart my headnode , after i restart >> >> >> >> > my >> >> >> >> > head >> >> >> >> > node( it seems Fleunt made some changes that confilict with >> >> >> >> > OSCAR) >> >> >> >> > , >> >> >> >> > i >> >> >> >> > tried >> >> >> >> > to running Fluent in parallel same as before , but i get some >> >> >> >> > errors >> >> >> >> > and >> >> >> >> > it >> >> >> >> > doesnt start successfully , after that i tried to test OSCAR >> >> >> >> > again >> >> >> >> > using >> >> >> >> > OSCAR WIZARD , but test became fail with some errors for >> >> >> >> > mounting >> >> >> >> > Home >> >> >> >> > directory and also ssh , from node to server and server to >> >> >> >> > node! ( >> >> >> >> > it >> >> >> >> > asking >> >> >> >> > for password!!) . so i tried to ssh client node on server using >> >> >> >> > ssh >> >> >> >> > 10.0.0.2 >> >> >> >> > and on the node for ssh server with using ssh 10.0.0.1 , both >> >> >> >> > of >> >> >> >> > them >> >> >> >> > was >> >> >> >> > succussful. i am wondering why ssh using terminal was >> >> >> >> > successful >> >> >> >> > but >> >> >> >> > with >> >> >> >> > OSCAR and Fluent became fail!! >> >> >> >> > Please give me some tips for using OSCAR and Fluent on same >> >> >> >> > network. >> >> >> >> > Best regards. >> >> >> >> > >> >> >> >> > -- >> >> >> >> > A.Nazemian >> >> >> >> > >> >> >> >> > >> >> >> >> > >> >> >> >> > >> >> >> >> > >> >> >> >> > ------------------------------------------------------------------------- >> >> >> >> > This SF.Net email is sponsored by the Moblin Your Move >> >> >> >> > Developer's >> >> >> >> > challenge >> >> >> >> > Build the coolest Linux based applications with Moblin SDK & >> >> >> >> > win >> >> >> >> > great >> >> >> >> > prizes >> >> >> >> > Grand prize is a trip for two to an Open Source event anywhere >> >> >> >> > in >> >> >> >> > the >> >> >> >> > world >> >> >> >> > http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> >> >> >> > _______________________________________________ >> >> >> >> > Oscar-users mailing list >> >> >> >> > Oscar-users@lists.sourceforge.net >> >> >> >> > https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> >> >> > >> >> >> >> > >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------- >> >> >> >> This SF.Net email is sponsored by the Moblin Your Move >> >> >> >> Developer's >> >> >> >> challenge >> >> >> >> Build the coolest Linux based applications with Moblin SDK & win >> >> >> >> great >> >> >> >> prizes >> >> >> >> Grand prize is a trip for two to an Open Source event anywhere in >> >> >> >> the >> >> >> >> world >> >> >> >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> >> >> >> _______________________________________________ >> >> >> >> Oscar-users mailing list >> >> >> >> Oscar-users@lists.sourceforge.net >> >> >> >> https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> >> > >> >> >> > >> >> >> > >> >> >> > -- >> >> >> > A.Nazemian >> >> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> > ------------------------------------------------------------------------- >> >> >> > This SF.Net email is sponsored by the Moblin Your Move Developer's >> >> >> > challenge >> >> >> > Build the coolest Linux based applications with Moblin SDK & win >> >> >> > great >> >> >> > prizes >> >> >> > Grand prize is a trip for two to an Open Source event anywhere in >> >> >> > the >> >> >> > world >> >> >> > http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> >> >> > _______________________________________________ >> >> >> > Oscar-users mailing list >> >> >> > Oscar-users@lists.sourceforge.net >> >> >> > https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> >> > >> >> >> > >> >> >> >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------- >> >> >> This SF.Net email is sponsored by the Moblin Your Move Developer's >> >> >> challenge >> >> >> Build the coolest Linux based applications with Moblin SDK & win >> >> >> great >> >> >> prizes >> >> >> Grand prize is a trip for two to an Open Source event anywhere in >> >> >> the >> >> >> world >> >> >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> >> >> _______________________________________________ >> >> >> Oscar-users mailing list >> >> >> Oscar-users@lists.sourceforge.net >> >> >> https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> > >> >> > >> >> > >> >> > -- >> >> > A.Nazemian >> >> > >> >> > >> >> > >> >> > ------------------------------------------------------------------------- >> >> > This SF.Net email is sponsored by the Moblin Your Move Developer's >> >> > challenge >> >> > Build the coolest Linux based applications with Moblin SDK & win >> >> > great >> >> > prizes >> >> > Grand prize is a trip for two to an Open Source event anywhere in the >> >> > world >> >> > http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> >> > _______________________________________________ >> >> > Oscar-users mailing list >> >> > Oscar-users@lists.sourceforge.net >> >> > https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> > >> >> > >> >> >> >> >> >> ------------------------------------------------------------------------- >> >> This SF.Net email is sponsored by the Moblin Your Move Developer's >> >> challenge >> >> Build the coolest Linux based applications with Moblin SDK & win great >> >> prizes >> >> Grand prize is a trip for two to an Open Source event anywhere in the >> >> world >> >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> >> _______________________________________________ >> >> Oscar-users mailing list >> >> Oscar-users@lists.sourceforge.net >> >> https://lists.sourceforge.net/lists/listinfo/oscar-users >> > >> > >> > >> > -- >> > A.Nazemian >> > >> > >> > ------------------------------------------------------------------------- >> > This SF.Net email is sponsored by the Moblin Your Move Developer's >> > challenge >> > Build the coolest Linux based applications with Moblin SDK & win great >> > prizes >> > Grand prize is a trip for two to an Open Source event anywhere in the >> > world >> > http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> > _______________________________________________ >> > Oscar-users mailing list >> > Oscar-users@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/oscar-users >> > >> > >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's >> challenge >> Build the coolest Linux based applications with Moblin SDK & win great >> prizes >> Grand prize is a trip for two to an Open Source event anywhere in the >> world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> _______________________________________________ >> Oscar-users mailing list >> Oscar-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > -- > A.Nazemian > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > >
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