[SATLUG] For your next supercomputer

[Borries Demeler]

We are using Lustre on our system but had lots of problems on our 64-bit system,
it works fine on the older 32-bit system.

-Borries
> 
> 
> High performance computing has always been one of those things I wanted to get into. While I've worked on clustered systems, I've never setup a cluster from scratch. Windows makes it fairly simple and the documentation on the Linux side is fairly spars. I was always under the impression that you needed an expensive SAN before you could do a cluster. Bless the F/OSS community and corporate sponsors. 
> 
> First is PVFS2
> http://www.pvfs.org/
> 
> Then there is Lustre
> http://www.lustre.org/index.html
> 
> Basically, what these allow you to do is have multiple servers contributing space to a storage volume. Clients then mount that volume as a file system like you would an NFS volume. Lustre seems to be the more robust of the two with features like fail-over pairs for individual storage objects. Both support POSIX ACLs and Extended Attributes, which is fairly new even in NFS. 
> 
> If I had two or three spare systems, I would be playing with this stuff. Anyone had the chance to work with either of these or another relatively inexpensive Linux cluster storage solution? Also, any additional resources anyone has to recommend on clustered solutions, mainly gearing toward typical web and mail services, would be appreciated.
> 
> Cheers,
> Daniel
> 
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