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Hi Wei, The some machines that was using for these tests all are dual nic machines on a public and private network (yes - I know a very troublesome idea). I can use xrdcp to copy the files by hand using the private addresses. Somehow the xrdalder32 command is failing. Cheers, Doug On Aug 11, 2011, at 1:49 PM, Yang, Wei wrote: > Hi Doug, > > I noticed that the data server is on private IP. Just want to make sure that doesn't play a role. > > regards, > Wei Yang | [log in to unmask] | 650-926-3338(O) > > > > > On Aug 11, 2011, at 5:18 AM, Doug Benjamin wrote: > >> Hi, >> >> I am trying to understand why my use of xrdalder32 command is failing. >> >> I have a file in xrootd storage - >> I can see it from the redirector >> >> [root@wnode01 ~]# xrd hnode.atlaspitt:1094 locateall /atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> >> >> ------------- Location #1 >> InfoType: kXrdcLocDataServer >> CanWrite: true >> Location: '192.168.100.101:1094' >> >> Yet I get this result from xrdalder32 >> >> [root@wnode01 ~]# /usr/bin/xrdadler32 root://hnode.atlaspitt:1094//atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> Error_accessing root://hnode.atlaspitt:1094//atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> >> I get a similar error when I query the data server with the file : >> >> [root@wnode01 ~]# /usr/bin/xrdadler32 root://wnode01.atlaspitt:1094//atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> Error_accessing root://wnode01.atlaspitt:1094//atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> >> Yet when I query the actual file on disk: the xrdalder32 succeeds. >> >> [root@wnode01 ~]# /usr/bin/xrdadler32 /local/xrootd/a/atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> d26e385b /local/xrootd/a/atlas/local/bdouglas/data11_7TeV.00180224.physics_Egamma.merge.NTUP_EGAMMA.f368_m806_p536_tid327358_00/NTUP_EGAMMA.327358._000001.root.1 >> >> Am I doing something wrong or did I find an undocumented feature. >> >> Thanks, >> >> Doug Benjamin >> >> >>