[CentOS] connection speeds between nodes

Wed Mar 9 13:40:12 UTC 2011
John Hodrien <J.H.Hodrien at leeds.ac.uk>

On Tue, 8 Mar 2011, wessel van der aart wrote:

> does anyone here uses nfs without sync in production? does data corrupt
> often?

Yes, I use it.  If you had an NFS server that regularly died due to hardware
faults, or kernel panics, then I wouldn't consider using it.

> all the data send from the nodes can be reproduced , so i would think an
> error is acceptable if it happens once a month or so.

Exactly.

> are there any other options more suitable in this situation? i thought
> about GFS with iscsi but i'm not sure if that will work if the filesystem
> to be shared already exists in production.

Personally I'd start with NFS first, and then prove that it's not up to the
job.  If it is, it's a whole lot easier than any other option.

jh