 |
 |
Hi Horst, I don't immediately see any problems in the config file. So, could you send me the logfile of the MigrPyrg deamon as well as an 'ls -l' of some of the directories where files should have migrated but did not. Andy ----- Original Message ----- From: "Goeringer Dr. Horst" <[log in to unmask]> To: <[log in to unmask]> Sent: Wednesday, November 28, 2007 6:38 AM Subject: mass storage backend to xrootd cache > Hi all, > > I'm trying to back our grid and Alice xrootd cache (~200TB) > with gStore, our local mass storage system at GSI. > Staging from gStore, if files are not in xrootd cache, > works fine so far, > however, migration to gStore does not work at all. > > I'm testing with a file server looking as follows: > ------------------------------------------------- > 2 file systems: /data1, /data2 > name space file system (links) in /data1 > top migratable path /data1/gstore > data file systems in /data1/cache, /data2/cache > > relevant configuration parameters: > --------------------------------- > oss.localroot /data1 > oss.cache public /data1/cache > oss.cache public /data2/cache > olb.path w /scratch > olb.path ws /gstore > oss.path /scratch nomig > oss.path /gstore mig rcreate nodread > oss.nocheck > oss.nodread > > mps.scan /data1/gstore > mps.basedir /data1/gstore > mps.mssdir /gstore > > For migration, mps_MigrPurg is started with options > -M -c conffile -l logfile > > In some rare, but not reproducible cases migration > takes place if new files appear in a special path!!! > (e.g. /data1/gstore/lmdv/diskn). > Migration never takes place e.g. from > /data1/gstore/goeri/lmdv/diskn!!!! > > Is there something fundamental missing? > > Thanks for your help! > Horst Goeringer > > > > > >