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XROOTD-L  April 2008

XROOTD-L April 2008

Subject:

xrd dirlist problems if mass storage interface enabled

From:

"Goeringer, Horst Dr." <[log in to unmask]>

Date:

25 Apr 2008 15:42:49 +0200Fri, 25 Apr 2008 15:42:49 +0200

Content-Type:

multipart/mixed

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text/plain (29 lines) , xrootd.gsi.gstore-2008-04.log.txt (1 lines) , xrootd.gsi.gstore-2008-04.cf.txt (1 lines)

Hi all,

at GSI I implemented the xrootd mass storage interface to
gStore, our local mass storage system.
Staging from gStore and migrating to gStore seems to work,
but the xrd command interface (dirlist) works only
if the mass storage interface is not activated.

If activated, no files are found with dirlist in any path backed with
gStore 
(subdirectories of (/data1/)gstore, see configuration file attached).
Sometimes even the mass storage interface script
specified with oss.mssgwcmd is invoked,
though this should be inhibited by oss.nodread.

Also in pathes NOT backed with gStore, no files are shown with dirlist.
In the xrootd log file, no output appears (see log file attached)! 

Besides that: Though specified as not migratable in the config file,
the pathes not backed with gStore appear with 'oss.path mig' 
in the log file (/user, /xrootd, /Alitmp).

What's going wrong there?

Horst Goeringer





080425 15:09:46 001 (c) 2004 Stanford University/SLAC xrd version 20070323-0259 080425 15:09:46 001 xrootd [log in to unmask] initialization started. 080425 15:09:46 001 Using configuration file /home/alixrd/alien/api/etc/xrootd/server/xrootd.cf 080425 15:09:46 001 Maximum number of connections is 1024 080425 15:09:46 001 (c) 2005 Stanford University/SLAC XRootd. 080425 15:09:46 001 XRootd seclib not specified; strong authentication disabled 080425 15:09:46 001 XrdTokenAuthzOfs_Init: (c) 2005 CERN/Alice, XrdTokenAuthzOfs Version 20070323-0259 080425 15:09:46 001 XrdTokenAuthzOfs_Config: File system initialization started. 080425 15:09:46 001 XrdTokenAuthzOfs_Config: Warning! redirect directive is deprecated; use role. 080425 15:09:46 001 odc_Config: Target redirection initialization started 080425 15:09:46 001 odc_Config: Target redirection initialization completed. 080425 15:09:46 001 XrdTokenAuthzOfs_Config: File system initialization completed. /home/alixrd/alien/api/etc/xrootd/server/xrootd.cf ofs configuration: ofs.role server ofs.authorize ofs.fdscan 9 120 1200 ofs.maxdelay 60 ofs.trace 0 080425 15:09:46 001 XrdTokenAuthzOfs_XrdOfsinit: initializing the XrdTokenAuthzOfs object 080425 15:09:46 001 oss_Init: (c) 2006, Stanford University, oss Version 20070323-0259 080425 15:09:46 001 oss_config: Storage system initialization started. 080425 15:09:46 001 oss_config: Mass Storage System interface initialization started. 080425 15:09:46 8957 odc_olb: Connected to olb via /tmp/alixrd_server/.olb/olbd.admin 080425 15:09:46 001 oss_config: Mass Storage System interface initialization completed. 080425 15:09:46 001 oss_config: Storage system initialization completed. /home/alixrd/alien/api/etc/xrootd/server/xrootd.cf oss configuration: oss.alloc 1 0 0 oss.cachescan 600 oss.compdetect * oss.fdlimit 512 1024 oss.maxdbsize 0 oss.localroot /data1/ oss.stagecmd sync /home/alixrd/gstore/gsxrdStage oss.mssgwcmd /home/alixrd/gstore/gsxrdCmd oss.trace 0 oss.xfr 1 9437184 30 10800 oss.memfile off max 1725616128 oss.path /user r/w nocheck nodread mig nomkeep nomlock nommap norcreate stage oss.path /xrootd r/w nocheck nodread mig nomkeep nomlock nommap norcreate stage oss.path /Alitmp r/w nocheck nodread mig nomkeep nomlock nommap norcreate stage oss.path /gstore r/w nocheck nodread mig nomkeep nomlock nommap rcreate stage oss.path / r/w nocheck nodread mig nomkeep nomlock nommap norcreate stage oss.cache public /data1/cache/ oss.cache public /data2/cache/ 080425 15:09:46 001 Prep log directory not specified; prepare tracking disabled. 080425 15:09:46 001 Exporting / 080425 15:09:46 001 XRootd protocol version 2.7.0 build 20070323-0259 successfully loaded. 080425 15:09:46 001 xrootd [log in to unmask]:1096 initialization completed. 080425 15:10:01 8957 XrootdXeq: alixrd.9030:16@lxfs51 login
# xrootd.fslib /home/alixrd/alien/api/lib/libXrdTokenAuthzOfs.so xrootd.fslib /home/alixrd/alien/api/lib/libXrdTokenAuthzOfs.so # XRD/OLB section xrd.port 1096 olb.port 3124 all.trace all debug # Avoid hard limit at 30 OLBDs if exec olbd xrd.sched mint 10 maxt 100 avlt 20 else xrd.sched mint 16 maxt 512 avlt 16 fi # Role olb.role server # # OpenFS section ofs.redirect target # # Export / xrootd.export / # cache and localroot oss.cache public /data1/cache oss.cache public /data2/cache # must not be specified by users and in 'path' directives oss.localroot /data1/ # Path backed with gStore olb.path ws /gstore # Path NOT backed with gStore olb.path w /Alitmp olb.path w /xrootd olb.path w /user # for gStore connection ################################################## # gstore query oss.mssgwcmd /home/alixrd/gstore/gsxrdCmd # gstore retrieve oss.stagecmd /home/alixrd/gstore/gsxrdStage # don't check in gStore prior to local file creation oss.nocheck # don't read gStore directory contents oss.nodread ################################################## # migrate files to gStore after creation oss.path /gstore mig rcreate # other pathes not migratable oss.path /Alitmp nomig norcreate oss.path /xrootd nomig norcreate oss.path /user nomig norcreate # gstore archive command #mps.xfrcmd /home/alixrd/gstore/gsxrdCopy mps.ftpcmd /home/alixrd/gstore/gsxrdCopy # top path with migration to gStore mps.scan /data1/gstore/ # subtree with migration in xrootd mps.basedir /data1/gstore # corresponding top path in gstore mps.mssdir /gstore #mps log file mps.logfn /home/alixrd/alien/api/logs/alixrd_server/mps.log #mps error log file mps.errlogfn /home/alixrd/alien/api/logs/alixrd_server/mps.errlog #file containing mps processid mps.savepid_fn /home/alixrd/alien/api/etc/xrootd/server/mps_migr.pid #location of file with priority migrate/purge requests mps.prtyfn /home/alixrd/alien/api/etc/xrootd/server/migrpurg mps.debug 4 #min time (sec) a file must be unchanged before migration mps.migr.migrate_time 10 #max simultaneous migrate processes mps.migr.max_migr_proc 3 #location of file that stops migration mps.migr.stopmigr /home/alixrd/alien/api/etc/xrootd/server/STOP_MIGR ################################################## # Subscribe olb.subscribe lxfs50.gsi.de 3125 # # ODC section all.manager lxfs50.gsi.de 3125 # # Delay clients at startup olb.delay startup 5 lookup 3 oss.alloc 1G olb.space linger 0 recalc 15 min 1g 2g

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