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Hi, I’m guessing it’s the sessiondir defined in the grid-manager section of the arc.conf file, that can be defined multiple times so we have /var/spool/arc/grid00 to grid11 define then the grid manager picks one at random for each job. Chris. On 21/02/2017, 16:08, "Testbed Support for GridPP member institutes on behalf of Daniela Bauer" <[log in to unmask]<mailto:[log in to unmask]> on behalf of [log in to unmask]<mailto:[log in to unmask]>> wrote: Hi Steve, What do you store in there ? We don't even have that directory. Cheers, Daniela On 21 February 2017 at 16:04, Stephen Jones <[log in to unmask]<mailto:[log in to unmask]>> wrote: Hi Peter, all, ARC certainly makes a lot of files and directories, under /var/spool/arc/grid So many, in fact, that is exceeded 31998, and after that ext3 (for that was the file system) could make no more. Hence a lot of trouble in the last few days. I've changed it to xfs. But it's something to watch out for. To check: # cd /var/spool/arc/grid [root@hepgrid2 grid]# ls -d */ | wc -l 32221 With xfs, it's gone past the limit. We're back in business. Cheers, Ste -- Steve Jones [log in to unmask]<mailto:[log in to unmask]> Grid System Administrator office: 220 High Energy Physics Division tel (int): 43396 Oliver Lodge Laboratory tel (ext): +44 (0)151 794 3396<tel:%2B44%20%280%29151%20794%203396> University of Liverpool http://www.liv.ac.uk/physics/hep/ -- Sent from the pit of despair ----------------------------------------------------------- [log in to unmask]<mailto:[log in to unmask]> HEP Group/Physics Dep Imperial College London, SW7 2BW Tel: +44-(0)20-75947810 http://www.hep.ph.ic.ac.uk/~dbauer/