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
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