Thanks a lot , So u offer me to post this mail to oscar developers mail archive?! maybe they can give me some tips for that.
On Sat, Dec 27, 2008 at 1:34 AM, Michael Edwards <miedw...@gmail.com> wrote: > Ok, so you want two different clusters running on the same scheduler? > That can work, especially if they are the same architecture. If they > are different it can work too, I would just think it would be more > confusing for the users. I would personally just make them log into a > different place so they don't try to use the 32 bit executables on the > 64 bit machines, but that is just me. > > If you aren't running data back and forth between the two clusters, > then for most switches all you have to do is connect the two racks of > switches together with a normal cable. If that doesn't work try a > cross-over cable, but most switches are smart enough to realize what > they are attached to and do the cross over themselves. > > Then you just make a separate queue on the main cluster's scheduler > for the secondary cluster, once you make sure the two clusters can see > each other. > > OSCAR can't do this for you though, you'll have to use the config > files OSCAR made as an example and make the new configs by hand. > Others with more experience at building clusters by hand may be able > to give more intelligent advice than this. It has been a long time > since I used anything but OSCAR. > > Heterogenious clustering is easy, you just start over and include all > the nodes from both clusters in your new OSCAR cluster. The only > tricky part is to make sure you have enough data bandwidth between the > two switches for your data load. For the cluster I bought that had > multiple switches they used four connections I think, and I have seen > more complex setups that used more when there were more than two > switches. That is way outside my expertise though. > > On Fri, Dec 26, 2008 at 12:14 PM, Ali Nazemian <alinazem...@gmail.com> > wrote: > > What about heterogeneous clustering?! i want to do that for load > balancing > > with these two cluster network , one of them has high job traffic but > > another one has small amount of job running. > > what if both was same?! i mean homogeneous clustering?! what should i do > on > > that case?! ( i can make both of them same if its impossible for connect > > them in heterogeneous way) > > > > On Fri, Dec 26, 2008 at 6:16 PM, Michael Edwards <miedw...@gmail.com> > wrote: > >> > >> The problem is that you won't really have a more powerful cluster > >> network. If they are the same architecture but different speeds then > >> the fast ones will be idle a lot waiting for the slow ones to finish. > >> If they are different architectures, then you won't be able to run the > >> same copy of the code on both machines and it will probably just not > >> work. > >> > >> It isn't really that it isn't possible, it is more that it isn't > >> usually a good idea. In my opinion, of course. > >> > >> On Fri, Dec 26, 2008 at 3:32 AM, Ali Nazemian <alinazem...@gmail.com> > >> wrote: > >> > They aren't same , i want to connect them to each other for having > more > >> > powerful cluster network , i want to add them two oscar cluster > network > >> > and > >> > build a bigger one, but i cant put them on same switch so i should do > >> > that > >> > remotely. > >> > How can i do that if its outside the oscar framework?! can you guide > >> > me?! > >> > Cheers. > >> > > >> > On Fri, Dec 26, 2008 at 4:04 AM, Michael Edwards <miedw...@gmail.com> > >> > wrote: > >> >> > >> >> Are they the same architecture and roughly the same clock speed? > >> >> > >> >> If not then sharing resources will be difficult. Unless you mean > >> >> network drives and such. > >> >> > >> >> Not clear what you mean by "sharing resources". It will be outside > >> >> the "oscar framework" in any event. You could put them all on the > >> >> same switch and rebuild the clusters into one cluster fairly easily, > >> >> but thats about as far as "oscar" will go. > >> >> > >> >> On Thu, Dec 25, 2008 at 4:40 PM, Ali Nazemian <alinazem...@gmail.com > > > >> >> wrote: > >> >> > Hi , > >> >> > I want to connect two cluster network that each use oscar 5 , in a > >> >> > way > >> >> > that > >> >> > can share their resources, how can i do that? do you know any tip > for > >> >> > that?! > >> >> > regards. > >> >> > > >> >> > -- > >> >> > A.Nazemian > >> >> > > >> >> > > >> >> > > >> >> > > ------------------------------------------------------------------------------ > >> >> > > >> >> > _______________________________________________ > >> >> > Oscar-users mailing list > >> >> > Oscar-users@lists.sourceforge.net > >> >> > https://lists.sourceforge.net/lists/listinfo/oscar-users > >> >> > > >> >> > > >> >> > >> >> > >> >> > >> >> > ------------------------------------------------------------------------------ > >> >> _______________________________________________ > >> >> Oscar-users mailing list > >> >> Oscar-users@lists.sourceforge.net > >> >> https://lists.sourceforge.net/lists/listinfo/oscar-users > >> > > >> > > >> > > >> > -- > >> > A.Nazemian > >> > > >> > > >> > > ------------------------------------------------------------------------------ > >> > > >> > _______________________________________________ > >> > Oscar-users mailing list > >> > Oscar-users@lists.sourceforge.net > >> > https://lists.sourceforge.net/lists/listinfo/oscar-users > >> > > >> > > >> > >> > >> > ------------------------------------------------------------------------------ > >> _______________________________________________ > >> Oscar-users mailing list > >> Oscar-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > > -- > > A.Nazemian > > > > > ------------------------------------------------------------------------------ > > > > _______________________________________________ > > Oscar-users mailing list > > Oscar-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > -- A.Nazemian
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