Thanks anyway , "cshutdown t 0 -r" work for me , and also it seems that my
problem with ssh is solved too , i dont know how but it's work fine now!!!
Also I am looking for a way to users login remotely to server from outside
of clusters ( for example a terminal) with their own account. do u have any
guide for this?!
Thanks a lot.
On Wed, Nov 12, 2008 at 12:31 PM, Ali Nazemian <[EMAIL PROTECTED]>wrote:
> Hi again,
> U said when in want to shutdown or restart clusters , always use
> "cshutdown"
> I tried cshutdown -r on head node , but it says u must specify a time , so
> i used cshutdown -r -t 10 , same message showed up, also chutdown -r -t 10
> --all , was tested, and also cshutdown -r -t 0 , all of them have same
> problem , what's the matter?!!
> cheers.
>
>
> On Wed, Nov 12, 2008 at 3:36 AM, Michael Edwards <[EMAIL PROTECTED]>wrote:
>
>> 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
>> >
>> >
>>
>> -------------------------------------------------------------------------
>> 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
>
--
A.Nazemian
-------------------------------------------------------------------------
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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
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