There is not much information on worker's log..

[2013-02-19T17:34:11] slurmd version 2.4.1 started
[2013-02-19T17:34:11] debug3: finished daemonize
[2013-02-19T17:34:11] debug3: Trying to load plugin /usr/lib64/slurm/switch_none.so
[2013-02-19T17:34:11] switch NONE plugin loaded
[2013-02-19T17:34:11] debug3: Success.
[2013-02-19T17:34:11] debug3: successfully opened slurm listen port *:6818
[2013-02-19T17:34:11] slurmd started on Tue 19 Feb 2013 17:34:11 +0200
[2013-02-19T17:34:11] CPUs=8 Sockets=2 Cores=4 Threads=1 Memory=48253 TmpDisk=922082 Uptime=14516
[2013-02-19T17:35:19] debug3: in the service_connection
[2013-02-19T17:35:19] debug2: got this type of message 1001
[2013-02-19T17:35:19] debug3: CPUs=8 Sockets=2 Cores=4 Threads=1 Memory=48253 TmpDisk=922082 Uptime=14584

log ends here until i restart the slurmd again..


controller's log
[2013-02-19T17:34:31] debug2: _slurm_rpc_node_registration complete for lufer121 usec=120
[2013-02-19T17:35:39] debug3: Tree sending to lufer121
[2013-02-19T17:35:39] debug2: _slurm_rpc_node_registration complete for lufer121 usec=5160
[2013-02-19T17:35:42] debug2: node_did_resp lufer121
[2013-02-19T17:38:59] agent/is_node_resp: node:lufer121 rpc:1008 : Can't find an address, check slurm.conf
[2013-02-19T17:39:00] error: Nodes lufer121 not responding
[2013-02-19T17:40:40] error: Nodes lufer121 not responding
[2013-02-19T17:42:20] error: Nodes lufer121 not responding
[2013-02-19T17:43:59] error: Nodes lufer121 not responding, setting DOWN




On 02/19/2013 04:50 PM, David Bigagli wrote:
Hi, have a look at the slurmd.log on the none responding hosts. Does it show any relevant information?

/David


On Tue, Feb 19, 2013 at 2:46 PM, Sefa Arslan <[email protected] <mailto:[email protected]>> wrote:


    Hello,

    After a few minutes I restart the SLURM service on the worker
    node, the
    controller says the worker node is not responding, and set as
     DOWN. The
    related log of the controller:

    tail -f /var/log/slurm/slurmctld.log|grep lufer121

    [2013-02-19T13:34:37] node lufer121 returned to service
    [2013-02-19T13:34:37] debug2: _slurm_rpc_node_registration
    complete for
    lufer121 usec=231
    [2013-02-19T13:36:24] debug3: Tree sending to lufer93 along with
    lufer121,mercan[27-52,54-63,65-71,73-77,89]
    [2013-02-19T13:36:24] agent/is_node_resp: node:lufer121 rpc:1008 :
    Can't
    find an address, check slurm.conf
    [2013-02-19T13:36:25] error: Nodes lufer121 not responding
    [2013-02-19T13:38:26] error: Nodes lufer121 not responding
    [2013-02-19T13:40:25] error: Nodes lufer121 not responding
    [2013-02-19T13:42:13] error: Nodes lufer121 not responding,
    setting DOWN


    I controlled if I have some problem on network, but everything seem to
    be OK. Even if the slurmctld log says the worker is does not
    responding,
    I can ping/or make ssh  or telnet to the 6818th port of  to the
    worker.

    I have this problem on only a few worker. The others are working quite
    well.

    Note: slurm version is 2.4.1-1, no firewall is working.. All nodes has
    dns records on the name server..


    Do you have any suggestion?


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