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Hi Gang, Quite odd. Could you send me the part of the log file that includes the start-up (i.e. at start-up)? Looks to me like a strange DNS problem. Andy On Tue, 9 Jul 2013, qing wrote: > Dear Expert: > > From /var/log/xrootd/cnsdlog on one data server I see that's it's always > trying to connect to lxroot02.cern.ch and fail: > > 130709 00:00:04 13825 Xrd: XrdClientConn: Trying to connect to > 128.142.172.96:1095 > 130709 00:00:04 13825 Xrd: Connect: Creating a logical connection... > 130709 00:00:04 13825 Xrd: Connect: Physical connection not found. Creating a > new one... > 130709 00:00:04 13825 Xrd: Connect: Connecting to [lxroot02.cern.ch:1095] > 130709 00:00:04 13825 Xrd: ClientSock::TryConnect_low: Trying to connect to > lxroot02.cern.ch(128.142.172.96):1095 Windowsize=0 Timeout=120 > 130709 00:00:04 13825 Xrd: ClientSock::TryConnect_low: Connection > tolxroot02.cern.ch:1095 failed. (-1) > 130709 00:00:04 13825 Xrd: Connect: can't open connection to > [lxroot02.cern.ch:1095] > 130709 00:00:04 13825 Xrd: PhyConnection: Disconnecting socket... > 130709 00:00:04 13825 Xrd: Connect: Connect(lxroot02.cern.ch, 1095) returned > -1 > 130709 00:00:04 13825 Xrd: XrdNetFile: Error creating logical connection to > lxroot02.cern.ch:1095 > 130709 00:00:04 13825 Xrd: Connect: Disconnecting. > 130709 00:00:04 13825 Xrd: Connect: Connection attempt failed. Sleeping 5 > seconds. > 130709 00:00:09 13825 Xrd: XrdClientUrlSet: parsing: > root://lxroot02.cern.ch:1095//tmp > 130709 00:00:09 13825 Xrd: XrdClientUrlSet: protocol: root > 130709 00:00:09 13825 Xrd: XrdClientUrlSet: file: /tmp > > > But in our cluster there is no machine called lxroot02, may I know where > does this lxroot02 comes from? In our cluster, the xrootd redirector is > valtical.cern.ch, and the dataservers are valtical*.cern.ch) > > [root@valtical06 ~]# cat /etc/xrootd/xrootd-clustered.cfg > all.export /data/xrootdfs > all.export /localdisk/xrootd > all.export /localdisk/proofbox > set xrdr=valtical.cern.ch > all.manager $(xrdr):1213 > if $(xrdr) && named cns > all.export /data/inventory > xrd.port 1095 > else if $(xrdr) > all.role manager > xrd.port 1094 > else > all.role server > oss.localroot / > #oss.localroot /local/xrootd > ofs.notify closew create mkdir mv rm rmdir trunc | /usr/bin/XrdCnsd -d > -D 2 -i 90 -b root://$(xrdr):2094 > #add cms.space if you have less the 11GB > # cms.space options > http://xrootd.slac.stanford.edu/doc/dev/cms_config.htm > cms.space min 2g 5g > fi > > Cheers,Gang > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the XROOTD-L list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1