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NFS4.1/pNFS needs support on the clients, which was historically a problem as SL5 kernels were too old to have kernel level support. SL6 kernels should be better for this. Sam On 5 November 2013 14:20, Ben Waugh <[log in to unmask]> wrote: > Where does pNFS fit into all this? > > Ben > > > On 05/11/13 14:11, james Adams wrote: >>> >>> Except that the POSIX bit of Ceph is considerably less polished than the >>> rest of it, at the moment. >> >> Less polished, but POSIX compliant and fully functional (unless you need >> multiple active meta-data servers). >> >>> Things to rule out: AFS. >> >> Agreed! >> >> HDFS is nowhere close to being POSIX compliant and is a bit of a pig. >> >> - James >> > > -- > Dr Ben Waugh Tel. +44 (0)20 7679 7223 > Computing and IT Manager Internal: 37223 > Dept of Physics and Astronomy > University College London > London WC1E 6BT