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XROOTD-L  February 2005

XROOTD-L February 2005

Subject:

XROOTD deploy at RCF RHIC

From:

Pavel Jakl <[log in to unmask]>

Date:

21 Feb 2005 17:00:40 +0100Mon, 21 Feb 2005 17:00:40 +0100

Content-Type:

multipart/mixed

Parts/Attachments:

Parts/Attachments

text/plain (39 lines) , dataserver.cf (81 lines) , redirector.cf (71 lines) , rcas6001.xrdlog (46 lines) , rcas6001.olblog (9 lines)

Hello,

I want to deploy XROOTD here in RCF RHIC and I would like to ask for one 
question.

1) Can redirector server be a data server ?  (i.e if data can be stored 
in redirector server and clients can access them)

    I started redirector server (xrd and olb) on node 
rcas6001.rcf.bnl.gov with configuration file redirector.cf (in 
attachment) and data server on rcas6003.rcf.bnl.gov.
   
    Then I tried to open file which is located on node rcas6001.

    root.exe [1] 
gROOT->GetPluginManager()->AddHandler("TFile","^root:","XTNetFile", 
"XTNetFile", "XTNetFile(const char*,Option_t*,const char*,Int_t,Int_t)");
    root.exe [2] f = 
TFile::Open("root://rcas6001.rcf.bnl.gov:1095/starlib/reco/production62GeV/ReversedFullField/P04ie/2004/087/st_physics_adc_5087079_raw_2070001.MuDst.root")
    Error in <TXNetConn::Open>: Server [rcas6001.rcf.bnl.gov:1095] did 
not return OK message for last request.
    Error in <TXNetConn::SendGenCommand>: Server declared error 3005: 
'No servers are available to read the file.'
    Error in <XTNetFile::CTOR>: Error opening the file 
//data1/starlib/reco/production62GeV/ReversedFullField/P04ie/2004/087/st_physics_adc_5087079_raw_2070001.MuDst.root 
on host         rcas6001.rcf.bnl.gov:1095

I also inclose config files and log files , but I think that there is a 
simple question if it is possible or not. If yes, please can you give me 
a advice ?

Thank you
Pavel Jakl







# Do not delete this !!!!!! # # This is a configuration file for normal node of system XROOTD # # # !!!!!!!!! The XROOTD Section!!!!!!!!!!!!!!!! # # It specifies the manager oldb location # (Mandatory directive) odc.manager rcas6001 3121 odc.trace all # Open Load Balancer olb.allow host rcas*.rcf.bnl.gov # It specifies the port of XROOTD server olb.port 3121 olb.path r / # Subscribe the location of oldb Manager olb.subscribe rcas6001 3121 olb.wait # The Open FILE System Section ofs.redirect remnote rcas6001 ofs.redirect target # Restrict access to files only for operation read oss.readonly # xrd section xrd.protocol xrootd * xrd.port 1095 # Here loading the extended file system support for xrootd xrootd.fslib /afs/rhic.bnl.gov/star/ROOT/4.03.02/.sl302_gcc323/rootdeb/lib/libXrdOfs.so # It specifies a valid path prefix to file requests xrootd.export /data0 xrootd.export /data1 xrootd.export /data2 xrootd.export /home # Here load library for security component # xrootd.seclib /afs/rhic.bnl.gov/star/ROOT/4.03.02/.sl302_gcc323/rootdeb/lib/libXrdSec.so # This directive is restriction for hosts that can connect to xrootd # xrd.allow host *.rcf.bnl.gov # # !!!!!!! (SEC) Security authentication copmonent section !!!!!! # # This directive binds a set of protocols to one or more hosts # (parametr only specifies that incoming clients must supply host-based authentification) # sec.protbind *.rcf.bnl.gov host
# Do not delete this !!!!!! # # This is a configuration file for redirector node of system XROOTD # # It specifies the manager oldb location # (Mandatory directive) odc.manager rcas6001 3121 # Enable tracing for odc component (specially traces request redirection) odc.trace all # # !!!!!!!!!!!!(OLB) Open load balancing Section!!!!!!!!!!!! # It can be in same file # Restriction for hosts that can 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 # s for staging, path here is path parcel, default is r / olb.path r / # # !!!!!!!!! The XROOTD Section!!!!!!!!!!!!!!!! # # It specifies the port of XROOTD server xrd.protocol xrootd * xrd.port 1095 # Here loading the extended file system support for xrootd xrootd.fslib /afs/rhic.bnl.gov/star/ROOT/4.03.02/.sl302_gcc323/rootdeb/lib/libXrdOfs.so # Here load library for security component # xrootd.seclib /afs/rhic.bnl.gov/star/ROOT/4.03.02/.sl302_gcc323/rootdeb/lib/libXrdSec.so # It specifies a valid path prefix to file requests xrootd.export /data0 xrootd.export /data1 xrootd.export /data2 xrootd.export /home # This directive is restriction for hosts that can connect to xrootd # xrd.allow r*.rcf.bnl.gov # # !!!!!!! (SEC) Security authentication copmonent section !!!!!! # # This directive binds a set of protocols to one or more hosts # (parametr only specifies that incoming clients must supply host-based authentification) # sec.protbind *.rcf.bnl.gov only host  
050221 16:15:09 001 (c) 2004 Stanford University/SLAC xrd version 20041124-0752_dbg 050221 16:15:09 001 [log in to unmask] initialization started. 050221 16:15:09 001 Using configuration file /star/u/pjakl/config/redirector.cf 050221 16:15:09 001 Optimizing for 256 connections; maximum is 1024 050221 16:15:09 001 (c) 2003 Stanford University/SLAC XRootd (eXtended Root Daemon). 050221 16:15:09 001 XRootd seclib not specified; strong authentication disabled 050221 16:15:09 001 ofs_Init: (c) 2004 Stanford University/SLAC, Ofs Version 20041124-0752_dbg 050221 16:15:09 001 ofs_Config: File system initialization started. 050221 16:15:09 001 odc_Config: Remote redirection initialization started 050221 16:15:09 001 odc_Config: Distributed cache initialization completed. 050221 16:15:09 001 odc_Config: 1 manager(s) started. 050221 16:15:09 001 ofs_Config: File system initialization completed. /star/u/pjakl/config/redirector.cf ofs configuration: ofs.authorize ofs.redirect remote ofs.fdscan 9 120 1200 ofs.maxdelay 60 ofs.trace 0 050221 16:15:09 001 oss_Init: (c) 2003, Stanford University, oss Version1.0.0 050221 16:15:09 001 oss_config: Storage system initialization started. 050221 16:15:09 001 oss_config: Storage system initialization completed. /star/u/pjakl/config/redirector.cf oss configuration: oss.alloc 0 0 0 oss.cachescan 600 oss.compdetect * oss.fdlimit 512 1024 oss.maxdbsize 0 oss.trace 0 oss.xfr 1 9437184 30 10800 050221 16:15:09 001 oss_Init: No remote file paths specified; local mode assumed 050221 16:15:09 001 Prep log directory not specified; prepare tracking disabled. 050221 16:15:09 001 Exporting /data0 050221 16:15:09 001 Exporting /data1 050221 16:15:09 001 Exporting /data2 050221 16:15:09 001 Exporting /home 050221 16:15:09 001 XRootd protocol version 2.2.0 build 20041124-0752 successfully loaded. 050221 16:15:09 001 [log in to unmask]:1095 initialization completed. 050221 16:15:09 11497 odc_Manager: Connected to rcas6001 050221 16:33:10 11497 XrootdXeq: User logged in as pjakl.19113:12@rcas6025 050221 16:33:10 11497 odc_Receive: Server: Received from rcas6001: 0 !wait 5 050221 16:33:10 11497 odc_Locate: user=pjakl.19113:12@rcas6025 wait :5 by rcas6001 path=/data1/starlib/reco/production62GeV/ReversedFullField/P04ie/2004/087/st_physics_adc_5087079_raw_2070001.MuDst.root 050221 16:33:15 11497 odc_Receive: Server: Received from rcas6001: 1 ?err No servers are available to read the file. 050221 16:33:15 11497 odc_Locate: user=pjakl.19113:12@rcas6025 error: No servers are available to read the file.:0 by rcas6001 path=/data1/starlib/reco/production62GeV/ReversedFullField/P04ie/2004/087/st_physics_adc_5087079_raw_2070001.MuDst.root 050221 16:36:29 11497 XrdLink: pjakl.19113:12@rcas6025 disconnected after 0:03:19
050221 16:15:09 001 olb_Config: (c) 2004 SLAC olbd version 20041124-0752_dbg initializing as Manager 050221 16:15:09 001 olb_Config: Round robin scheduling in effect. 050221 16:15:09 001 olb_Config: Manager initialization completed. 050221 16:15:09 11507 olb_Manager: Director rcas6001.rcf.bnl.gov logged in. 050221 16:16:39 11507 olb_Config: Service enabled. 050221 16:17:16 11507 olb_Manager: Server rcas6003.rcf.bnl.gov:1095 logged in.

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