In fact, this is what we already do. Mount ext3 /scratch
Mount autofs /scratches So . /scratches/machinename is the mountpoint for NFS machinename:/scratch If you want to see the scratch directory of some other machine, you just go into /scratches/machinename. This is not horrible, and it is the best I've come up with so far, but it has the downside that you need to know which machine your job ran on. It is attractive to make it ubiquitous, without the need to know the machine name. I'm hoping to do better. From: [email protected] [mailto:[email protected]] On Behalf Of Jacob Kenner Sent: Wednesday, July 01, 2009 2:28 PM To: Edward Ned Harvey Cc: [email protected] Subject: Re: [lopsa-tech] shared network disks - vs gfs - vs distributed filesystem - vs ... On 1 Jul 2009, at 13:16, Edward Ned Harvey wrote: Not sure what else I should look at. Any ideas? I know you mentioned no NFS, but have you considered automount NFS so that you /scratch is the automount top level folder and the next folder is your machine name, mapping to a standard local folder? As a loopback NFS mount, you would get close to local filesystem speeds, and even from machine "bar", /scratch/foo would still exist (on machine "foo"). Jacob
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