 |
 |
Hi Jean-Yves Ahh, thanks for pointing this out. Chris has pointed me to a script he has written with the statx functionality. I have added this now. cheers Manny Jean-Yves Nief wrote: > hello Manny, > > Emmanuel Olaiya wrote: > >> Hi Jean-Yves >> >> Using the trace all directive has helped. In at least I can now see >> the problem. I now see in the log file: >> >> 040914 14:06:30 8052 XrootdXeq: User logged in as olaiya.20722:14@csfe >> 040914 14:06:30 8052 olaiya.20722:14@csfe oss_Open_ufs: fd=512 >> flags=0 mode=0 >> path=/stage/bdata-data38/kanga/store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test.01.root >> >> 040914 14:06:31 8052 XrdLink: olaiya.20722:14@csfe disconnected after >> 0:00:01 >> 040914 14:06:42 8041 XrootdXeq: User logged in as olaiya.20727:14@csfe >> 040914 14:06:42 8041 olaiya.20727:14@csfe oss_Open_ufs: fd=-2 flags=0 >> mode=0 >> path=/stage/bdata-data38/kanga/store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root >> >> 040914 14:06:42 8041 oss_MSS_Xeq: sending to mss >> '/home/csf/bbdatsrv/bin/MSSGet.pl statx >> /store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root' >> 040914 14:06:42 8049 oss_MSS_Gateway: received >> '/home/csf/bbdatsrv/bin/MSSGet.pl statx >> /store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root' >> 040914 14:06:42 8041 oss_MSS_Xeq: received 'ub1017 * >> /store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root' >> 040914 14:06:42 8041 oss_XrdOssMSS_Xeq: Unable to execute statx >> /store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root; >> invalid response from mass storage system interface >> 040914 14:06:42 8041 ofs_open: olaiya.20727:14@csfe Unable to open >> /store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root; >> invalid response from mass storage system interface >> 14/09 14:06:42 tape: Unable to open file >> /store/PRskims/R14/14.4.3d/BCCC03a3body/15/Manny_test2.01.root for >> writing >> 040914 14:06:42 8041 XrdLink: olaiya.20727:14@csfe disconnected after >> 0:00:00 >> Failed to read file to tape ub1017 at >> /home/csf/bbdatsrv/bin/MSSGet.pl line 21 >> >> Though I'm not too sure what statx is and where it comes from? > > > statx return stat information on a file or a dir stored in your MSS > (last access time, modify time etc....). > you should have a statx functionality in your perl script: MSSGet.pl > so when you call "MSSGet.pl statx <filename>",, it should return all > the stat information in a format which should be the one you find in > the xrootd documentation (oss.mssgwcmd) and that your xrootd daemon is > expecting. > cheers, > JY > >> >> cheers >> >> Manny >> >> >> Jean-Yves Nief wrote: >> >>> Emmanuel Olaiya wrote: >>> >>>> Hi Jean-Yves >>>> >>>> Thanks, I didn't have this directive but I have added it now. >>>> Though the data is still not being staged. Does anyone know where >>>> to look in order to monitor the mps status? >>> >>> >>> >>> >>> I forgot to tell you that you also need: >>> oss.path /store mig >>> and that should make it. >>> it fou still encounter problems, you can use: >>> oss.trace all >>> in order to a better traing of the problem in the log file. >>> cheers, >>> JY >>> >>>> >>>> cheers >>>> >>>> Manny >>>> >>>> PS. Pete, when you bounce my original mail to this list, I also >>>> didn't recieve a copy via it. >>>> >>>> Jean-Yves Nief wrote: >>>> >>>>> hello Manny, >>>>> >>>>> do you have the following directive in your config >>>>> files ? >>>>> for the load balancer on the data servers: >>>>> olb.path rs <what ever path you need, eg: /store> >>>>> s means that the file in this file system can be staged. >>>>> hope this help. >>>>> cheers, >>>>> JY >>>>> >>>>> Emmanuel Olaiya wrote: >>>>> >>>>> >>>>> >>>>>> *** Discussion title: KanSOS >>>>>> Email replies to [log in to unmask] must include: >>>>>> In-Reply-To: <[log in to unmask]> >>>>>> Subject: ...change this to be about your reply. >>>>>> >>>>>> Hi >>>>>> >>>>>> I'm having problems interfacing MPS with the MSS at RAL and was >>>>>> wondering if anyone has any ideas that could help me. I have a >>>>>> script to retrieve data >>>>>> from our MSS at RAL (MSSGet.pl). This works well with mps_stage >>>>>> on the >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>> command line. I'm now trying to set this up within the xrootd.cf >>>>>> config >>>>>> file. I have added the following lines to the config file on a >>>>>> server machine >>>>>> >>>>>> mps.stage.xfrcmd /opt/xrootd/utils/mps_Stage >>>>>> mps.stage.msscmd /home/csf/olaiya/testspace/area1/MSSGet.pl >>>>>> >>>>>> However when I ask for a file that is in the MSS but not on disk >>>>>> it does not get staged. Is there any other directives that people >>>>>> believe I should add to the config file? >>>>>> >>>>>> When I restart xrootd and oldb on the dataserver I see all the >>>>>> ofs and oss directives printed out in the xrdlog file. I don't >>>>>> see any of my mps >>>>>> directives printed here which makes me think they aren't >>>>>> interfaced. Am I supposed to see the directives here or is there >>>>>> a separate log file where I can monitor mps output? This is the >>>>>> tail end of my xrdlog: >>>>>> >>>>>> ofs.authorize >>>>>> ofs.redirect target >>>>>> ofs.fdscan 9 120 1200 >>>>>> ofs.maxdelay 60 >>>>>> ofs.trace 0 >>>>>> 040909 23:31:02 21726 oss_Init: (c) 2003, Stanford University, oss >>>>>> Version1.0.0 >>>>>> 040909 23:31:02 21726 oss_config: Storage system initialization >>>>>> started. >>>>>> 040909 23:31:02 21726 oss_config: Storage system initialization >>>>>> completed. >>>>>> /opt/xrootd/etc/xrootd.cf oss configuration: >>>>>> oss.alloc 0 0 0 >>>>>> oss.cachescan 600 >>>>>> oss.compdetect * >>>>>> oss.fdlimit 512 1024 >>>>>> oss.maxdbsize 0 >>>>>> oss.localroot /stage/bdata-data38/kanga >>>>>> oss.stagecmd /opt/xrootd/utils/mps_Stage >>>>>> oss.mssgwpath /tmp/gateway.mss.21726 >>>>>> oss.trace 0 >>>>>> oss.xfr 1 9437184 30 10800 >>>>>> oss.path /store r/o >>>>>> oss.cache public /stage/bdata-data38/cache/ >>>>>> oss.cache public /stage/bdata-data46/cache/ >>>>>> 040909 23:31:02 21726 oss_MSS_Init: Mass storage interface >>>>>> initialization started. >>>>>> 040909 23:31:02 21726 oss_MSS_Init: Mass storage interface >>>>>> initialized. >>>>>> 040909 23:31:02 21726 Prep log directory not specified; prepare >>>>>> tracking disabled. >>>>>> 040909 23:31:02 21726 Exporting /store >>>>>> 040909 23:31:02 21726 XRootd protocol version 2.2.0 build >>>>>> 20040901-0613 successfully loaded. >>>>>> 040909 23:31:02 21726 [log in to unmask]:1094 initialization >>>>>> completed. >>>>>> >>>>>> Also as the problem could be with my script, is there a log file >>>>>> where I would see any output generated from it? >>>>>> >>>>>> cheers >>>>>> >>>>>> Manny >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>>