On Sat, Feb 21, 2009 at 4:59 AM, Sunil Mushran <sunil.mushran@xxxxxxxxxx> wrote: > > I am fairly biased too. However, I don't believe any shared disk cluster > file > system can scale upto 1000 nodes. This includes ocfs2 and gfs2. I don't know > much about gpfs to comment. What are the practical/theoretical limits for number of nodes for shared disk file systems like ocfs2/gfs2? > > Lustre is parallel distributed and not shared disk. It can scale to 1000s of > nodes but it requires more hardware commitment. Different data and meta data > servers, for starters. But if you want 1000 nodes, then it makes sense to > invest in that kind of hardware. > > But I am a bit puzzled by your statement that ocfs2 and gfs2 perform > similarly. That can't be. Everyone knows ocfs2 beats gfs2 hands down. ;) I did testing in a limited setup - a cluster of 4 xen domU of 128MB RAM with a shared block device mapped to a local LVM volume. My results could be wrong anyway ;) Are there any publicly available benchmarks? Thanks, Kirill -- 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