I suspect ignorance - thanks for the pointer - I'll look at the differences. Vic Cornell viccornell at gmail.com On 25 Feb 2014, at 15:23, Jonathan Buzzard <jonathan at buzzard.me.uk> wrote: > vfs_gpfs -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20140225/48c3c7f5/attachment.html>