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OK, Just making sure. Andy On Sat, 12 Dec 2009, wen guan wrote: > Hi Andrew, > > It doesn't work. atlas-bkp1 manager still dropping nodes again. > In supervisor, I still haven't seen any dataserver registered. I said > "I updated the ntp" because you said "the log timestamp do not > overlap". > > Wen > > On Sat, Dec 12, 2009 at 9:33 PM, Andrew Hanushevsky > <[log in to unmask]> wrote: >> Hi Wen, >> >> Do you mean that everything is now working? It could be that you removed the >> xrd.timeout directive. That really could cause problems. As for the delays, >> that is normal when the redirector thinks something is going wrong. The >> strategy is to delay clients until it can get back to a stable >> configuration. This usually prevents jobs from crashing during stressful >> periods. >> >> Andy >> >> On Sat, 12 Dec 2009, wen guan wrote: >> >>> Hi Andrew, >>> >>> I restarted it to do supervisor test. Also because xrootd manager >>> frequently doesn't response. (*) is the cms.log, the file select is >>> delayed again and again. When do a restart, all things are fine. Now I >>> am trying to find a clue about it. >>> >>> (*) >>> 091212 00:00:19 21318 slot3.14949:[log in to unmask] do_Select: wc >>> >>> /atlas/xrootd/users/fang/MC8.108004.PythiaPhotonJet4.7TeV.e444_s479_r635_dmp81_tid001090/LOG/dig.001090._000066.log.2 >>> 091212 00:00:19 21318 Select seeking >>> >>> /atlas/xrootd/users/fang/MC8.108004.PythiaPhotonJet4.7TeV.e444_s479_r635_dmp81_tid001090/LOG/dig.001090._000066.log.2 >>> 091212 00:00:19 21318 UnkFile rc=1 >>> >>> path=/atlas/xrootd/users/fang/MC8.108004.PythiaPhotonJet4.7TeV.e444_s479_r635_dmp81_tid001090/LOG/dig.001090._000066.log.2 >>> 091212 00:00:19 21318 slot3.14949:[log in to unmask] do_Select: >>> delay 5 >>> /atlas/xrootd/users/fang/MC8.108004.PythiaPhotonJet4.7TeV.e444_s479_r635_dmp81_tid001090/LOG/dig.001090._000066.log.2 >>> 091212 00:00:19 21318 XrdLink: Setting link ref to 2+-1 post=0 >>> 091212 00:00:19 21318 Dispatch redirector.21313:14@atlas-bkp2 for >>> select dlen=166 >>> 091212 00:00:19 21318 XrdLink: Setting link ref to 1+1 post=0 >>> 091212 00:00:19 21318 XrdSched: running redirector inq=0 >>> >>> >>> There is no core file. I copied a new copies of the logs to the link >>> below. >>> http://higgs03.cs.wisc.edu/wguan/ >>> >>> Wen >>> >>> On Sat, Dec 12, 2009 at 3:16 AM, Andrew Hanushevsky >>> <[log in to unmask]> wrote: >>>> >>>> Hi Wen, >>>> >>>> I see in the server log that it is restarting often. Could you take a >>>> look >>>> in the c193 to see if you have any core files? Also please make sure that >>>> core files are enabled as Linux defaults the size to 0. The first step >>>> here >>>> is to find out why your servers are restarting. >>>> >>>> Andy >>>> >>>> On Sat, 12 Dec 2009, wen guan wrote: >>>> >>>>> Hi Andrew, >>>>> >>>>> the logs can be found here. From the log you can see atlas-bkp1 >>>>> manager are dropping nodes again and again which tries to connect to >>>>> it. >>>>> http://higgs03.cs.wisc.edu/wguan/ >>>>> >>>>> >>>>> On Fri, Dec 11, 2009 at 11:41 PM, Andrew Hanushevsky >>>>> <[log in to unmask]> wrote: >>>>>> >>>>>> Hi Wen, Could you start everything up and provide me a pointer to the >>>>>> manager log file, supervisor log file, and one data server logfile all >>>>>> of >>>>>> which cover the same time-frame (from start to some point where you >>>>>> think >>>>>> things are working or not). That way I can see what is happening. At >>>>>> the >>>>>> moment I only see two "bad" things in the config file: >>>>>> >>>>>> 1) Only atlas-bkp1.cs.wisc.edu is designated as a manager but you >>>>>> claim, >>>>>> via >>>>>> the all.manager directive, that there are three (bkp2 and bkp3). While >>>>>> it >>>>>> should work, the log file will be dense with error messages. Please >>>>>> correct >>>>>> this to be consistent and make it easier to see real errors. >>>>> >>>>> This is not a problem for me. Because this config is used in >>>>> dataserver. In manager, I updated the if atlas-bkp1.cs.wisc.edu to >>>>> atlas-bkp2 or something. This is a history problem. at first only >>>>> atlas-bkp1 is used. atlas-bkp2 and atlas-bkp3 are added later. >>>>> >>>>>> 2) Please use cms.space not olb.space (for historical reasons the >>>>>> latter >>>>>> is >>>>>> still accepted and over-rides the former, but that will soon end), and >>>>>> please use only one (the config file uses both directives). >>>>> >>>>> yes. I should remove this line. in fact cms.space is in the cfg too. >>>>> >>>>> >>>>> Thanks >>>>> Wen >>>>> >>>>>> The xrootd has an internal mechanism to connect servers with >>>>>> supervisors >>>>>> to >>>>>> allow for maximum reliability. You cannot change that algorithm and >>>>>> there >>>>>> is >>>>>> no need to do so. You should *never* tell anyone to directly connect to >>>>>> a >>>>>> supervisor. If you do, you will likely get unreachable nodes. >>>>>> >>>>>> As for dropping data servers, it would appear to me, given the flurry >>>>>> of >>>>>> such activity, that something either crashed or was restarted. That's >>>>>> why >>>>>> it >>>>>> would be good to see the complete log of each one of the entities. >>>>>> >>>>>> Andy >>>>>> >>>>>> On Fri, 11 Dec 2009, wen guan wrote: >>>>>> >>>>>>> Hi Andrew, >>>>>>> >>>>>>> I read the document. and write a config >>>>>>> file(http://wisconsin.cern.ch/~wguan/xrdcluster.cfg). >>>>>>> I used my conf, I can see manager is dispatch message to >>>>>>> supervisor. But I cannot see any dataserver tries to connect to the >>>>>>> supervisor. At the same time, in the manager's log, I can see some >>>>>>> dataserver are Dropped. >>>>>>> How does xrootd decide which dataserver will connect supervisor? >>>>>>> should I specify some dataservers to connect the supervisor? >>>>>>> >>>>>>> >>>>>>> (*) supervisor log >>>>>>> 091211 15:07:00 30028 Dispatch manager.0:20@atlas-bkp2 for state >>>>>>> dlen=42 >>>>>>> 091211 15:07:00 30028 manager.0:20@atlas-bkp2 do_State: >>>>>>> /atlas/xrootd/users/wguan/test/test131141 >>>>>>> 091211 15:07:00 30028 manager.0:20@atlas-bkp2 do_StateFWD: Path find >>>>>>> failed for state /atlas/xrootd/users/wguan/test/test131141 >>>>>>> >>>>>>> (*)manager log >>>>>>> 091211 04:13:24 15661 Admit c185.chtc.wisc.edu TSpace=5587GB NumFS=1 >>>>>>> FSpace=5693644MB MinFR=57218MB Util=0 >>>>>>> 091211 04:13:24 15661 Admit c185.chtc.wisc.edu adding path: w /atlas >>>>>>> 091211 04:13:24 15661 server.10585:[log in to unmask]:1094 >>>>>>> do_Space: 5696231MB free; 0% util >>>>>>> 091211 04:13:24 15661 Protocol: >>>>>>> server.10585:[log in to unmask]:1094 logged in. >>>>>>> 091211 04:13:24 001 XrdInet: Accepted connection from >>>>>>> [log in to unmask] >>>>>>> 091211 04:13:24 15661 XrdSched: running ?:[log in to unmask] inq=0 >>>>>>> 091211 04:13:24 15661 XrdProtocol: matched protocol cmsd >>>>>>> 091211 04:13:24 15661 ?:[log in to unmask] XrdPoll: FD 79 attached >>>>>>> to poller 2; num=22 >>>>>>> 091211 04:13:24 15661 Add server.21739:[log in to unmask] bumps >>>>>>> server.15905:[log in to unmask]:1094 #63 >>>>>>> 091211 04:13:24 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:24 15661 Drop_Node: >>>>>>> server.15905:[log in to unmask]:1094 dropped. >>>>>>> 091211 04:13:24 15661 Add Shoved >>>>>>> server.21739:[log in to unmask]:1094 to cluster; id=63.78; num=64; >>>>>>> min=51 >>>>>>> 091211 04:13:24 15661 Update Counts Parm1=1 Parm2=0 >>>>>>> 091211 04:13:24 15661 Admit c187.chtc.wisc.edu TSpace=5587GB NumFS=1 >>>>>>> FSpace=5721854MB MinFR=57218MB Util=0 >>>>>>> 091211 04:13:24 15661 Admit c187.chtc.wisc.edu adding path: w /atlas >>>>>>> 091211 04:13:24 15661 server.21739:[log in to unmask]:1094 >>>>>>> do_Space: 5721854MB free; 0% util >>>>>>> 091211 04:13:24 15661 Protocol: >>>>>>> server.21739:[log in to unmask]:1094 logged in. >>>>>>> 091211 04:13:24 15661 XrdLink: Unable to recieve from >>>>>>> c187.chtc.wisc.edu; connection reset by peer >>>>>>> 091211 04:13:24 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:24 15661 XrdSched: scheduling drop node in 60 seconds >>>>>>> 091211 04:13:24 15661 Remove_Node >>>>>>> server.21739:[log in to unmask]:1094 node 63.78 >>>>>>> 091211 04:13:24 15661 Protocol: server.21739:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:24 15661 server.21739:[log in to unmask] XrdPoll: FD >>>>>>> 79 detached from poller 2; num=21 >>>>>>> 091211 04:13:27 15661 Dispatch server.24718:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.24718:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c177.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c177.chtc.wisc.edu >>>>>>> FD=16 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.24718:[log in to unmask]:1094 node 0.3 >>>>>>> 091211 04:13:27 15661 Protocol: server.21656:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.21656:[log in to unmask] XrdPoll: FD >>>>>>> 16 detached from poller 2; num=20 >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c179.chtc.wisc.edu >>>>>>> FD=21 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.17065:[log in to unmask]:1094 node 1.4 >>>>>>> 091211 04:13:27 15661 Protocol: server.7978:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.7978:[log in to unmask] XrdPoll: FD 21 >>>>>>> detached from poller 1; num=21 >>>>>>> 091211 04:13:27 15661 State: Status changed to suspended >>>>>>> 091211 04:13:27 15661 Send status to redirector.15656:14@atlas-bkp2 >>>>>>> 091211 04:13:27 15661 Dispatch server.12937:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.12937:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c182.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c182.chtc.wisc.edu >>>>>>> FD=19 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.12937:[log in to unmask]:1094 node 7.10 >>>>>>> 091211 04:13:27 15661 Protocol: server.26620:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.26620:[log in to unmask] XrdPoll: FD >>>>>>> 19 detached from poller 2; num=19 >>>>>>> 091211 04:13:27 15661 Dispatch server.10842:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.10842:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c178.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c178.chtc.wisc.edu >>>>>>> FD=15 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.10842:[log in to unmask]:1094 node 9.12 >>>>>>> 091211 04:13:27 15661 Protocol: server.11901:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.11901:[log in to unmask] XrdPoll: FD >>>>>>> 15 detached from poller 1; num=20 >>>>>>> 091211 04:13:27 15661 Dispatch server.5535:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.5535:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c181.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c181.chtc.wisc.edu >>>>>>> FD=17 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.5535:[log in to unmask]:1094 node 5.8 >>>>>>> 091211 04:13:27 15661 Protocol: server.13984:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.13984:[log in to unmask] XrdPoll: FD >>>>>>> 17 detached from poller 0; num=21 >>>>>>> 091211 04:13:27 15661 Dispatch server.23711:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.23711:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c183.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c183.chtc.wisc.edu >>>>>>> FD=22 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.23711:[log in to unmask]:1094 node 8.11 >>>>>>> 091211 04:13:27 15661 Protocol: server.27735:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.27735:[log in to unmask] XrdPoll: FD >>>>>>> 22 detached from poller 2; num=18 >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c184.chtc.wisc.edu >>>>>>> FD=20 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.4131:[log in to unmask]:1094 node 3.6 >>>>>>> 091211 04:13:27 15661 Protocol: server.26787:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.26787:[log in to unmask] XrdPoll: FD >>>>>>> 20 detached from poller 0; num=20 >>>>>>> 091211 04:13:27 15661 Dispatch server.10585:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.10585:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c185.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c185.chtc.wisc.edu >>>>>>> FD=23 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.10585:[log in to unmask]:1094 node 6.9 >>>>>>> 091211 04:13:27 15661 Protocol: server.8524:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.8524:[log in to unmask] XrdPoll: FD 23 >>>>>>> detached from poller 0; num=19 >>>>>>> 091211 04:13:27 15661 Dispatch server.20264:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.20264:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c180.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c180.chtc.wisc.edu >>>>>>> FD=18 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.20264:[log in to unmask]:1094 node 4.7 >>>>>>> 091211 04:13:27 15661 Protocol: server.14636:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.14636:[log in to unmask] XrdPoll: FD >>>>>>> 18 detached from poller 1; num=19 >>>>>>> 091211 04:13:27 15661 Dispatch server.1656:[log in to unmask]:1094 >>>>>>> for status dlen=0 >>>>>>> 091211 04:13:27 15661 server.1656:[log in to unmask]:1094 >>>>>>> do_Status: >>>>>>> suspend >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=-1 Parm2=0 >>>>>>> 091211 04:13:27 15661 Node: c186.chtc.wisc.edu service suspended >>>>>>> 091211 04:13:27 15661 XrdLink: No RecvAll() data from >>>>>>> c186.chtc.wisc.edu >>>>>>> FD=24 >>>>>>> 091211 04:13:27 15661 Update Counts Parm1=0 Parm2=0 >>>>>>> 091211 04:13:27 15661 Remove_Node >>>>>>> server.1656:[log in to unmask]:1094 node 2.5 >>>>>>> 091211 04:13:27 15661 Protocol: server.7849:[log in to unmask] >>>>>>> logged >>>>>>> out. >>>>>>> 091211 04:13:27 15661 server.7849:[log in to unmask] XrdPoll: FD 24 >>>>>>> detached from poller 1; num=18 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:14 15661 XrdSched: scheduling drop node in 13 seconds >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.66 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.68 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.69 cancelled. >>>>>>> 091211 04:14:24 15661 Drop_Node 63.67 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.70 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.71 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.72 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.73 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.74 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.75 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=1 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.76 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: Now have 68 workers >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=0 >>>>>>> 091211 04:14:24 15661 Drop_Node 63.77 cancelled. >>>>>>> 091211 04:14:24 15661 XrdSched: running drop node inq=0 >>>>>>> >>>>>>> Wen >>>>>>> >>>>>>> >>>>>>> On Fri, Dec 11, 2009 at 9:50 PM, Andrew Hanushevsky >>>>>>> <[log in to unmask]> wrote: >>>>>>>> >>>>>>>> Hi Wen, >>>>>>>> >>>>>>>> To go past 64 data servers you will need to setup one or more >>>>>>>> supervisors. >>>>>>>> This does not logically change the current configuration you have. >>>>>>>> You >>>>>>>> only >>>>>>>> need to configure one or more *new* servers (or at least xrootd >>>>>>>> processes) >>>>>>>> whose role is supervisor. We'd like them to run in separate machines >>>>>>>> for >>>>>>>> reliability purposes, but they could run on the manager node as long >>>>>>>> as >>>>>>>> you >>>>>>>> give each one a unique instance name (i.e., -n option). >>>>>>>> >>>>>>>> The front part of the cmsd reference explains how to do this. >>>>>>>> >>>>>>>> http://xrootd.slac.stanford.edu/doc/prod/cms_config.htm >>>>>>>> >>>>>>>> Andy >>>>>>>> >>>>>>>> On Fri, 11 Dec 2009, wen guan wrote: >>>>>>>> >>>>>>>>> Hi Andrew, >>>>>>>>> >>>>>>>>> Is there any change to configure xrootd with more than 65 >>>>>>>>> machines? I used the configure below but it doesn't work. Should I >>>>>>>>> configure some machines' manager to be supvervisor? >>>>>>>>> >>>>>>>>> http://wisconsin.cern.ch/~wguan/xrdcluster.cfg >>>>>>>>> >>>>>>>>> >>>>>>>>> Wen >>>>>>>>> >>>>>>>> >>>>>> >>>> >> >