Hi Pavel, No, thank you for pointing that out. This is definetely a bug. The additional blanks should have been removed. Sorry that this put you through a lot of grief. Andy On Tue, 28 Mar 2006, Pavel Jakl wrote: > Hi Andy again, > > I have found that stupid thing. And it is magic end of line :)) > Why it was not taken the particular line with supervisor is because the > string "supervisor" in if statement had additional blank characters and > I didn't see that. > Maybe it would be good to demark the statement in brackets to beware of it. > > Sorry to spam you and thanks for help > Pavel > > Pavel Jakl wrote: > > > Hi Andy, > > > > I re-produced it again. As you could see from the olb log file: > > > > 060328 17:40:22 001 (c) 2005 SLAC olbd version 20060307-0546 > > > > 060328 17:40:22 001 [log in to unmask] initilization > > started. > > > > 060328 17:40:22 001 olb_Config: Role not specified; manager role assumed. > > > > 060328 17:40:22 19119 olb_Xeq: Performance monitor thread started > > > > 060328 17:40:22 19119 olb_Xeq: Refcount monitor thread started > > > > 060328 17:40:22 19119 olb_Xeq: Request Responder thread started > > > > 060328 17:40:22 19119 olb_Xeq: Request Timeout thread started > > > > 060328 17:40:22 19119 olb_Xeq: State monitor thread started > > > > 060328 17:40:22 001 [log in to unmask]:3121 manager > > initialization completed. > > > > 060328 17:40:22 19119 olb_Xeq: Admin traffic thread started > > > > 060328 17:40:27 19119 olb_Admin_Login: Primary server 19060 logged in > > > > 060328 17:41:52 19119 olb_Xeq: Worker thread started > > > > 060328 17:41:52 19119 olb_Config: Service enabled. > > > > And please also see that this node has as instance name "supervisor" > > and I have these lines in configuration file: > > > > olb.role manager if named redirector > > > > olb.role server if named dataserver > > > > olb.role supervisor if named supervisor > > > > > > I am also sending the whole configuration file in attachement to be > > sure that I didn't set something wrong that could replace or break > > this confgiguration directive. > > I could not say the symptons, sorry. > > > > Pavel > > > > > > Andrew Hanushevsky wrote: > > > >> Hi Pavel, > >> > >> Could you give me the symptoms that made it appear to not work? The > >> first > >> one should have worked. If it dod not, this is a bug and will be fixed. > >> > >> In any case, a supervisor node needs *both* 'ofs.redirect remote' *and* > >> 'ofs.redirect target' specified and it is subject to a redirection as > >> well > >> as redirecting itself. Specifying only "remote" will not work in most > >> cases since the supervisor will not connect to the local olbd and off > >> failures will occur (this pointed out that the protocol spec was a bit > >> fuzzy on this, sigh). > >> > >> So, you should also have the line: > >> > >> ofs.redirect target if named supervisor > >> > >> Anyway, I will check on this. > >> > >> Andy > >> > >> P.S. I am in the process of simplifying the configuration which will > >> make > >> the "redirect" statement superfluous (though upwardly acceptable). > >> > >> On Tue, 28 Mar 2006, pjakl wrote: > >> > >> > >> > >>> Hi guys, > >>> > >>> I have deployed latest development version 20060307 and tried to > >>> simplify my config file using INSTANCE_NAME and if statement. > >>> I wrote this to the config file and for that particular node it > >>> didn't work: > >>> > >>> if named dataserver > >>> ofs.redirect target > >>> else > >>> ofs.redirect remote > >>> fi > >>> > >>> If I did use like this, it did work: > >>> > >>> ofs.redirect target if named dataserver > >>> ofs.redirect remote if named redirector > >>> ofs.redirect remote if named supervisor > >>> > >>> (dataserver,redirector,supervisor) are INSTANCE_NAMES which I am > >>> setting > >>> through command line argument -n. > >>> > >>> Do am I missing something ? like badly comprehend the if statement > >>> syntax ? > >>> Thank for any advice > >>> > >>> Pavel > >>> > >>> > >> > > > >------------------------------------------------------------------------ > > > ># !!!Removing this file is punished by death !!! # > ># # > ># This is a configuration file for XROOTD System # > ># # > > > > # # > > # XRD Daemon section # > > # # > > > ># it specifies protocol and * means that library is statically linked with daemon > >xrd.protocol xrootd * > > > ># it specifies xrd port (in future will be 1094 for manager and any for dataservers) > >xrd.port 1095 > > > ># it specifies level of debuging > ># --> normal mode > ># xrd.trace all -debug -sched -poll -mem > ># xrootd.trace all -debug -stall -mem > ># --> debug mode, 2005/12 > >xrd.trace conn net > >xrootd.trace login > > > > # # > > # XROOTD Section # > > # # > > > ># here is loading the extended file system support for xrootd > >xrootd.fslib /star/u/starlib/ROOT/xrootd/lib/libXrdOfs.so > > > >#here is loading support of authentication > >xrootd.seclib /star/u/starlib/ROOT/xrootd/lib/libXrdSec.so > > > ># specify a valid path prefix to file requests > >xrootd.export /data0 > >xrootd.export /data1 > >xrootd.export /data2 > >xrootd.export /data3 > >xrootd.export /home > > > > # # > > # OLB Section # > > # # > > > ># Restriction for hosts that subscribe to the olbd manager > >olb.allow host rcas*.rcf.bnl.gov > > > ># Designate the port number to use for incoming requests from client (this is mandatory directive) > >olb.port 3121 > > > ># Specify how load is computed and reported. > >olb.perf int 5m pgm /star/u/starlib/ROOT/xrootd/utils/XrdOlbMonPerf.pl 300 > > > ># Specify the parameters for the load balancing scheduling algorithm > >olb.sched cpu 20 io 40 mem 0 pag 10 runq 30 fuzz 10 refreset 43200 > > > ># Specify how server are selected for file creation > >olb.space linger 5 500m 100m > > > > > ># Designate paths handle by server (r - read, s will be staging) > > > >olb.path r /data0 > >olb.path r /data1 > >olb.path r /data2 > >olb.path r /data3 > >olb.path r /home > ># with s stage all files from HPSS that aren't on distributed disk > >#olb.path rs /home > > > >#Setup Manage Procesing latency > >#@see documentation > > > >olb.delay discard 5 drop 10s full 5 lookup 1 overload * > >olb.delay servers 90% service 60 startup 90 suspend 30 > > > > > >#Set the time file existence information is to be cached in memory > >#For testing .... > >#olb.fxhold 60s > > > ># Tell server olbd's the location of the manager > >olb.subscribe xrdstar.rcf.bnl.gov 3121 > > > ># Indecate the role this server will have based on host name (default is server) > >olb.role manager if named redirector > >olb.role server if named dataserver > >olb.role supervisor if named supervisor > > > > > >#Tell the odc component the location of the manager > >odc.manager xrdstar.rcf.bnl.gov 3121 > > > ># Tell level of event loging > >odc.trace all -debug > >olb.trace all -debug > > > > # # > > # OFS and OSS Section # > > # # > > > ># > ># Set redirect option using instance name (Supervisor must have both options) > ># > >ofs.redirect target if named dataserver > >ofs.redirect remote if named redirector > >ofs.redirect remote if named supervisor > >ofs.redirect target if named supervisor > > > ># Restrict access to files only for operation read > >oss.readonly > > > ># Tell level of loging > >ofs.trace all -debug -aio -read -readdir -write > >oss.trace all -debug > > > ># Control the way a disk cache partition is selected for file placement > >oss.alloc * * 80 > > > ># Control file descriptor's allocating > >oss.fdlimit * max > > > ># Specify whether or not to check that a file exists in HPSS > >oss.check > > > ># Specify command to obtain data from HPSS > >oss.mssgwcmd /star/u/starlib/ROOT/xrootd/utils/hpss_talk.pl > >oss.stagecmd /star/u/starlib/ROOT/xrootd/utils/mps_Stage -F -c /star/u/starlib/ROOT/xrootd/config/configuration.cfg > > > ># Restrict access to files only for operation read > >oss.readonly > > > ># Specify processing options for any entry matching the specified path prefix > >oss.path /data0 > >oss.path /data1 > >oss.path /data2 > >oss.path /data3 > >oss.path /home > >oss.localroot /home/starlib > > > ># Specify the location of a disk cache partition > ># PJ: Only wildcard would work here. Individual drive would not and crash > ># xrootd. > >oss.cache rhstar /data* > > > ># number of threads, for beginning take defaults > >oss.xfr 6 * 15 0 > > > > # # > > # MPS section # > > # # > > > ># Where error message go via mail, choose some user > >mps.adminuser starlib > > > ># Specify path where will be placed symlinks > >mps.scan /home > > > ># set level of debuging for all components (4 -additionally records internal debugging information) > >mps.debug 4 > > > ># is the name of the file that is to hold error information > >mps.errlogfn /star/data08/logerr > > > ># specify command for bringing the files from hpss > >mps.stage.xfrcmd /star/u/starlib/ROOT/xrootd/utils/hpss_stage.pl %sfn %tfn > > > ># specify names of log files for every components of MPS separately > >mps.stage.logfn /star/data08/stage_log > > > ># Set the number of times a failing data transfer operation may be retried. > >mps.stage.max_retry 2 > > > >#is the name or number of the Unix group that is to be used for newly created files > >mps.stage.cpgroup rhstar > > > >#is the command to be used to communicate with the Mass Storage System. > >mps.stage.msscmd /star/u/starlib/ROOT/xrootd/utils/hpss_talk.pl > > > >#the command to issue in order to obtain free space information about a file system. > >mps.stage._fs_stat /star/u/starlib/ROOT/xrootd/utils/fs_stat > > > ># enable security only one nodes that holds data > >if named dataserver > >sec.protocol /star/u/starlib/ROOT/xrootd/lib pwd -a:0 > >fi > > > >