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On Tue, 2005-12-06 at 17:12, Graeme Stewart wrote:

> > We also have additional storage that is nfs-mounted on the pool node,
> > but this does not appear neither in GStat nor in dpm-qryconf (see below
> > - the mount point would be pc30 /storage/atlas). I'm not sure whether
> > this is correct, but I think it isn't. I am also not sure permissions
> > are set correctly, as I don't seem to be able to  dpns-rm a file that I
> > have just copied (this test had worked fine a few days ago).
> 
> No, this isn't the right way to do things. DPM gets the size of the filesystem 
> using statfs64(), which will never see the size of things mounted beneath 
> that filesystem's mount point.
> 
> What you should do is:
> 
> 1. Unmount /storage/atlas from pc30:/storage.
> 2. Change fstab to make its mount point somewhere independent 
> (e.g., /storage1). Re-mount it.
> 3. Follow steps 7 and 9 of the http://wiki.gridpp.ac.uk/wiki/DPM_Disk_Pool
> wiki article, i.e.,
>   pc30# chmod dpmmgr: /storage1
>   pc55# dpm-addfs --poolname dpmPart --server pc30 --fs /storage1
> (You don't have to do the rest bacause pc30 already is a disk pool, you're 
> just adding a new filesystem to this pool.)
> 
> Then things should work.
> 
> I assume there's no data on this filesystem....? If there is we might have to 
> think about this quite carefully - perhaps a soft link from /storage/atlas 
> to /storage1/atlas so that old lfns work through the "vanilla" gridftp 
> server? Something to check.

There's indeed data on this filesystem. What's your advice then?

cheers,
gianfranco