1. Look for a firewall on all of your slurm -- they almost always break
slurm communications.
2. Confirm that "ssh srvgridslurm01 hostname" returns, exactly,
"srvgridslurm01"
Andy
On 11/26/2020 12:21 PM, Steve Bland wrote:
Sinfo always returns nodes not responding
[root@srvgridslurm03 ~]# sinfo -R
REASON USER TIMESTAMP NODELIST
Not responding slurm 2020-11-26T09:12:58 SRVGRIDSLURM01
Not responding slurm 2020-11-26T08:27:58 SRVGRIDSLURM02
Not responding slurm 2020-11-26T10:00:14 srvgridslurm03
By tailing the log for slurmctld, I can see when a node is recognized
Node srvgridslurm03 now responding
By turning up the logging levels I can see comm between slurmctld and
the nodes and there appears to be a response
[2020-11-26T12:05:14.333] debug3: Tree sending to SRVGRIDSLURM01
[2020-11-26T12:05:14.333] debug2: Tree head got back 0 looking for 3
[2020-11-26T12:05:14.333] debug3: Tree sending to SRVGRIDSLURM02
[2020-11-26T12:05:14.333] debug3: Tree sending to srvgridslurm03
[2020-11-26T12:05:14.335] debug2: Tree head got back 1
[2020-11-26T12:05:14.335] debug2: Tree head got back 2
[2020-11-26T12:05:14.336] debug2: Tree head got back 3
[2020-11-26T12:05:14.338] debug2: node_did_resp SRVGRIDSLURM01
[2020-11-26T12:05:14.338] debug2: node_did_resp SRVGRIDSLURM02
[2020-11-26T12:05:14.338] debug2: node_did_resp srvgridslurm03
What I do not understand is the disjoint. It seems to record
responses, but flags the node as not responding – all nodes. There are
only three right now as this is a test environment. 3 Centos7 systems
[root@SRVGRIDSLURM01 ~]# scontrol show node
NodeName=SRVGRIDSLURM01 Arch=x86_64 CoresPerSocket=4
CPUAlloc=0 CPUTot=4 CPULoad=0.01
AvailableFeatures=(null)
ActiveFeatures=(null)
Gres=(null)
NodeAddr=SRVGRIDSLURM01 NodeHostName=SRVGRIDSLURM01 Version=20.11.0
OS=Linux 3.10.0-1160.2.2.el7.x86_64 #1 SMP Tue Oct 20 16:53:08 UTC 2020
RealMemory=7821 AllocMem=0 FreeMem=5211 Sockets=1 Boards=1
State=DOWN ThreadsPerCore=1 TmpDisk=0 Weight=1 Owner=N/A MCS_label=N/A
Partitions=debug
BootTime=2020-11-24T08:04:25 SlurmdStartTime=2020-11-26T11:38:25
CfgTRES=cpu=4,mem=7821M,billing=4
AllocTRES=
CapWatts=n/a
CurrentWatts=0 AveWatts=0
ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s
Reason=Not responding [slurm@2020-11-26T09:12:58]
Comment=(null)
NodeName=SRVGRIDSLURM02 Arch=x86_64 CoresPerSocket=4
CPUAlloc=0 CPUTot=4 CPULoad=0.01
AvailableFeatures=(null)
ActiveFeatures=(null)
Gres=(null)
NodeAddr=SRVGRIDSLURM02 NodeHostName=SRVGRIDSLURM02 Version=20.11.0
OS=Linux 3.10.0-1160.2.2.el7.x86_64 #1 SMP Tue Oct 20 16:53:08 UTC 2020
RealMemory=7821 AllocMem=0 FreeMem=6900 Sockets=1 Boards=1
State=DOWN ThreadsPerCore=1 TmpDisk=0 Weight=1 Owner=N/A MCS_label=N/A
Partitions=debug
BootTime=2020-11-24T08:04:32 SlurmdStartTime=2020-11-26T10:31:08
CfgTRES=cpu=4,mem=7821M,billing=4
AllocTRES=
CapWatts=n/a
CurrentWatts=0 AveWatts=0
ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s
Reason=Not responding [slurm@2020-11-26T08:27:58]
Comment=(null)
NodeName=srvgridslurm03 Arch=x86_64 CoresPerSocket=4
CPUAlloc=0 CPUTot=4 CPULoad=0.01
AvailableFeatures=(null)
ActiveFeatures=(null)
Gres=(null)
NodeAddr=srvgridslurm03 NodeHostName=srvgridslurm03 Version=20.11.0
OS=Linux 3.10.0-1160.2.2.el7.x86_64 #1 SMP Tue Oct 20 16:53:08 UTC 2020
RealMemory=7821 AllocMem=0 FreeMem=7170 Sockets=1 Boards=1
State=DOWN ThreadsPerCore=1 TmpDisk=0 Weight=1 Owner=N/A MCS_label=N/A
Partitions=debug
BootTime=2020-11-26T09:46:49 SlurmdStartTime=2020-11-26T11:55:23
CfgTRES=cpu=4,mem=7821M,billing=4
AllocTRES=
CapWatts=n/a
CurrentWatts=0 AveWatts=0
ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s
Reason=Not responding [slurm@2020-11-26T10:00:14]
Comment=(null)
Any suggestions? Thanks
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