Right. I am running a Mosix cluster with MPI now and it works
fine...except when it doesn't. I has some problems with are seriously
frustrating me right now so I am looking around for alternatives. Could
you point me to a document on how to do persistence with LVM?
>
> You could use persistence that would (maybe) allow you to do that during
> some time... But I think that's not the way to go:
> What you describe is work for something like a bewolf cluster or a mosix
> one, and not for a cluster farm with a LB in front....
>
>
> > Hmmm. I'm not sure I understood how you would implement how a session
> > state in my case. Specificly, I would like to have it so that a user
> > ssh's into the cluster, runs a process, logs out, than when they log back
> > in they are able to get to the job that they ran to monitor it's progress
> > with ps, top, etc. If this isn't possible in LVS than it's true that LVS
> > isn't for me but this is what I want to clarify.
> >
> > Thanks again,
> > Cere
> >
> > >
> > > It kind of defeats the object of the cluster to require a client to
> > > connect to the same physical server in order to ensure a maintenance
> > > of state - you both bypass the load balancing and the redundancy the
> > > cluster provides.
> > >
> > > This sort of information (state, session) should be maintained in a
> > > service available to all machines in the cluster - a database, a
> > > session service - each of which should support replication to ensure
> > > redundancy once again.
> > >
> > > If this is not feasible for your service, I don't believe LVS is what
> > > you are looking for.
> > >
> > > Nick
> > >
> > >
> > > >Hi,
> > > >
> > > >I am considering building a LVS for the purposes of a computing cluster
> > > >but I am not sure it will work for our purposes because I cannot see how
> > > >LVS would allow a user to connect to the same machine from one session to
> > > >the next so that s/he could monitor her processes, etc. Is there a way
> > > >for LVS to do this? Thanks.
> > > >
> > > >-Cere
> > > >
> > > >- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> > > > Cere Davis
> > > > Unix Systems Administrator - CSDE
> > > > cere@xxxxxxxxxxxxxxxx ph: 206.685.5346
> > > > https://staff.washington.edu/cere
> > > >
> > > >GnuPG Key http://staff.washington.edu/cere/gpgkey.txt
> > > >Key fingerprint = B63C 2361 3B9B 8599 ECC9 D061 3E48 A832 F455 9E7FA
> > > >
> > > >
> > > >
> > > >_______________________________________________
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> > > >Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> > > >or go to http://www.in-addr.de/mailman/listinfo/lvs-users
> > >
> > > _______________________________________________
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> > > or go to http://www.in-addr.de/mailman/listinfo/lvs-users
> > >
> >
> > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> > Cere Davis
> > Unix Systems Administrator - CSDE
> > cere@xxxxxxxxxxxxxxxx ph: 206.685.5346
> > https://staff.washington.edu/cere
> >
> > GnuPG Key http://staff.washington.edu/cere/gpgkey.txt
> > Key fingerprint = B63C 2361 3B9B 8599 ECC9 D061 3E48 A832 F455 9E7FA
> >
> >
> >
> > _______________________________________________
> > LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> > Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> > or go to http://www.in-addr.de/mailman/listinfo/lvs-users
> >
>
> _______________________________________________
> LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
> Send requests to lvs-users-request@xxxxxxxxxxxxxxxxxxxxxx
> or go to http://www.in-addr.de/mailman/listinfo/lvs-users
>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Cere Davis
Unix Systems Administrator - CSDE
cere@xxxxxxxxxxxxxxxx ph: 206.685.5346
https://staff.washington.edu/cere
GnuPG Key http://staff.washington.edu/cere/gpgkey.txt
Key fingerprint = B63C 2361 3B9B 8599 ECC9 D061 3E48 A832 F455 9E7FA
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