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
