Hi,
I also have the same problem. I think by default, slurm won't add the
head node as a compute node. I manually set the state to resume,
However, the number of cores is still low (1) and not what I specified
in slurm.conf
[root@rocks7 mahmood]# scontrol show node rocks7
NodeName=rocks7 Arch=x86_64 CoresPerSocket=1
CPUAlloc=0 CPUErr=0 CPUTot=1 CPULoad=0.14
AvailableFeatures=(null)
ActiveFeatures=(null)
Gres=(null)
NodeAddr=10.1.1.1 NodeHostName=rocks7 Version=17.11
OS=Linux 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017
RealMemory=64261 AllocMem=0 FreeMem=1247 Sockets=1 Boards=1
State=IDLE+DRAIN ThreadsPerCore=1 TmpDisk=281775 Weight=1 Owner=N/A
MCS_label=N/A
Partitions=WHEEL,EMERALD
BootTime=2018-04-13T13:04:59 SlurmdStartTime=2018-04-13T13:05:17
CfgTRES=cpu=1,mem=64261M,billing=1
AllocTRES=
CapWatts=n/a
CurrentWatts=0 LowestJoules=0 ConsumedJoules=0
ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s
Reason=Low socket*core*thread count, Low CPUs [root@2018-05-05T21:18:05]
[root@rocks7 mahmood]# scontrol update node=rocks7 state=resume
[root@rocks7 mahmood]# scontrol show node rocks7
NodeName=rocks7 Arch=x86_64 CoresPerSocket=1
CPUAlloc=0 CPUErr=0 CPUTot=1 CPULoad=0.14
AvailableFeatures=(null)
ActiveFeatures=(null)
Gres=(null)
NodeAddr=10.1.1.1 NodeHostName=rocks7 Version=17.11
OS=Linux 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017
RealMemory=64261 AllocMem=0 FreeMem=1247 Sockets=1 Boards=1
State=IDLE ThreadsPerCore=1 TmpDisk=281775 Weight=1 Owner=N/A MCS_label=N/A
Partitions=WHEEL,EMERALD
BootTime=2018-04-13T13:04:59 SlurmdStartTime=2018-04-13T13:05:17
CfgTRES=cpu=1,mem=64261M,billing=1
AllocTRES=
CapWatts=n/a
CurrentWatts=0 LowestJoules=0 ConsumedJoules=0
ExtSensorsJoules=n/s ExtSensorsWatts=0 ExtSensorsTemp=n/s
[root@rocks7 mahmood]# grep -A 3 -B 3 rocks7 /etc/slurm/slurm.conf
DebugFlags=Priority,NO_CONF_HASH,backfill,BackfillMap
NodeName=DEFAULT State=UNKNOWN
NodeName=rocks7 NodeAddr=10.1.1.1 CPUs=20
PartitionName=DEFAULT AllocNodes=rocks7 State=UP
PartitionName=DEBUG
####### Power Save Begin ##################
Regards,
Mahmood
On Sat, May 5, 2018 at 5:06 PM, Chris Samuel <ch...@csamuel.org> wrote:
> On Thursday, 3 May 2018 10:28:46 AM AEST Matt Hohmeister wrote:
>
>> …and it looks good, except for the drain on my server/compute node:
>
> I think if you've had the config wrong at some point in the past then
> slurmctld
> will remember the error and you'll need to manually clear it with:
>
> scontrol update node=${NODE} state=resume
>
> All the best,
> Chris
> --
> Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
>
>
