Hi Tommaso, You should look at frm.copyin, frm.purge, etc. The mps stuffs are very old. here is a skeleton of this: all.export /data r/w nocheck nodread mig stage purge frm.purge.policy * XXXg YYYg hold ZZZh # auto purge frm.xfr.copycmd out /bin/true 0 # do nothing frm.xfr.copycmd in stats noalloc you_stagein_script.sh $SRC $DST regards, Wei Yang | [log in to unmask] | 650-926-3338(O) On Sep 28, 2012, at 2:00 AM, Tommaso Boccali wrote: > URL: > <http://savannah.cern.ch/support/?132506> > > Summary: Setting up a machine for xrootd data caching > Project: XROOTD > Submitted by: boccali > Submitted on: 2012-09-28 09:00 > Category: None > Priority: 5 - Normal > Severity: 3 - Normal > Status: None > Privacy: Public > Assigned to: None > Originator Email: > Open/Closed: Open > Discussion Lock: Any > Operating System: GNU/Linux > > _______________________________________________________ > > Details: > > Hi, > I am trying to set-up a machine for high load analysis tasks. > > The idea is to > - have a large disk attached (72 TB Sun Thor machine) > - use it as an XROOTD cache > > The preferred way of operation would be > - pre-allocate nothing on the cache > - everytime the machine is asked for a file, it is moved on the cache (I > understand with something like > > mps.xfrcmd /usr/bin/xrdcp %sfn %tfn > mps.mssdir root://MY-EXPERIMENT-GLOBAL-REDIRECTOR/ > > ) > - from the second attempt, the file is found locally. > > I was not able to have the configuration running, starting from a simple > local only machine + just adding those two lines. Can you point me to an > example config? > And then (2nd priority), how is the cache handled (for example, cleaning > etc)? > > thanks a lot > > tommaso > > > > > _______________________________________________________ > > Reply to this item at: > > <http://savannah.cern.ch/support/?132506> > > _______________________________________________ > Message sent via/by LCG Savannah > http://savannah.cern.ch/ > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the XROOTD-DEV list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1