On Feb 20, 2009 20:23 +0300, Kirill Kuvaldin wrote: > I'm evaluating different cluster file systems that can work with large > clustered environment, e.g. hundreds of nodes connected to a SAN over > FC. > > > So far I looked at OCFS2 and GFS2, they both worked nearly the same > in terms of performance, but since I ran my tests in a local limited > environment with 4 nodes in a cluster, the results can't be > extrapolated to 100 nodes. > > Is there any reading on comparison of OCFS2/GFS2 scalability? And > could these FS scale up to environment of that size (100-1000 nodes, > 10-100Tb storage) or should I look to proprietary solutions like IBM > GPFS, HP Polyserve, etc... ? I'm fairly biased, but I think you should look at Lustre - it is currently running on 15 of the 20 fastest systems in the world, and 40% of the top 200. No problems with scalability at all - the ORNL Jaguar system has 37000+ nodes, 10PB of storage, and has exceeded 150GB/s peak read/write speed. Lustre is GPL and freely available: http://www.lustre.org/ Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html