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Hi Chris, Oh yeah, different problem. I think that Bill Weeks fixed that. Bill did you fix that problem? Andy On Mon, 30 May 2005, Brew, CAJ (Chris) wrote: > Hi, > > I might be being stupid but I don't see how this relates to the problem. > The files I wanted were on a different disk server which then went down. > The server in question was registered with the OLB as being able to > stage in the name space so the request was redirected to it. If > mps_Stage is used without the PreStage queuing system everything works > as expected. If we try to go through the PreStage queue to limit the > number of concurrent accesses to the tapestore the stage in fails. > Apparently because the DIR_LOCK file does not exist (which it doesn't, > since the file, and it's directory structure, has never existed on this > server). > > Yours, > Chris. > > > -----Original Message----- > > From: Andrew Hanushevsky [mailto:[log in to unmask]] > > Sent: 28 May 2005 07:39 > > To: Brew, CAJ (Chris) > > Cc: [log in to unmask]; abh; Olaiya, EO (Emmanuel) > > Subject: RE: PreStage Problems > > > > Hi Chris, > > > > This was traced to overzealous testing. The syustem does not > > put in a new > > entry in the pre-stage queue until after about 10-20 minutes > > have elapsed > > since the last time the entry was added. So, this is not a > > bug but a test > > case that was not "real". Generally, files live in the disk > > cache for at > > least 10-20 minutes. > > > > Andy > > > > On Fri, 27 May 2005, Brew, CAJ (Chris) wrote: > > > > > Hi, > > > > > > At the meeting a couple of weeks ago, it was said that someone was > > > looking into this but I haven't heard anything back. Is > > there any new? > > > > > > Thanks, > > > Chris. > > > > > > > -----Original Message----- > > > > From: Brew, CAJ (Chris) > > > > Sent: 17 May 2005 13:50 > > > > To: [log in to unmask]; abh > > > > Cc: Olaiya, EO (Emmanuel) > > > > Subject: PreStage Problems > > > > > > > > Hi, > > > > > > > > I've been running some more tests of the staging at RAL and > > > > have run into a problem somewhere in the > > > > mps_Stage/PreStage/prep system. > > > > > > > > Everything work fine staging file that was on the system and > > > > has been deleted but if I try to stage in a file that was one > > > > a different server, hence the directory structure for the > > > > file does not exist on the staging server it fails and I see > > > > the following error in the PreStage log file: > > > > > > > > 12:45:43 [ 10859] mps_Stage: Open > > > > '/stage/bdata-data50/kanga//store/SPskims/R12/16.0.2e/BtoKKKL/ > > > > 001005/200002/DIR_LOCK' r/w failed; No such file or directory. > > > > 12:45:43 [ 10859] do_stagein: xfr failed for > > > > /store/SPskims/R12/16.0.2e/BtoKKKL/001005/200002/BtoKKKL_00100 > > > > 5_3247.01.root, rc=4, retry=1 > > > > 12:45:45 [ 3255] > > > > file=/store/SPskims/R12/16.0.2e/BtoKKKL/001005/200002/BtoKKKL_ > > > > 0010053247.01.root, rc=1024, reqid=ef000001:1cd2.425d27e1 > > > > :3762 > > > > > > > > If I create the directories and the DIR_LOCK file before > > > > running the import, everything works. > > > > > > > > The config file I'm using on the server is below. > > > > > > > > Is there some setting I'm missing which is needed to create > > > > the directories/DIR_LOCK file or does the code need fixing? > > > > > > > > Thanks, > > > > Chris > > > > > > > > -- > > > > Chris Brew ([log in to unmask]) +44 1235 446326 > > > > Particle Physics Department > > > > Rutherford Appleton Laboratory > > > > Chilton, Didcot. Oxfordshire. > > > > OX11 0QX. United Kingdom. > > > > > > > > > > > > > >