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Hi Andrew,

    This is the log.
http://higgs03.cs.wisc.edu/wguan/c193-cms.log.20091212

Wen

On Sat, Dec 12, 2009 at 11:18 PM, Andrew Hanushevsky
<[log in to unmask]> wrote:
> Hi Wen,
>
> Could you do the following:
>
> 1) Please comment out the cms.delay directive and use the defaults for this
> setting. This will keep the log traffic down.
>
> 2) Restart the cmsd atlas-bkp1
>
> 3) Please send me the logfile for c193 in the time period 08:59:00 to
> 09:53:00 for 091212.
>
> There does appear to be some kind of problem during redirection and I'm
> trying to determine where it is occurring.
>
> 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
>>>>>>>>>>
>>>>>>>>>
>>>>>>>
>>>>>
>>>
>