Hi,

You can change the global setting "storage.stats.interval" to a value which
is suitable to you. The default value is 60000 milliseconds. Do not forget
to restart the management server after change.

-Wei

On Fri, 8 Apr 2022 at 16:11, benoit lair <[email protected]> wrote:

> Hello Folks,
>
> I am facing to a strange issue on my xcp-ng cluster with acs 4.16
>
> I have 4 ACS Mgmt servers participating to my Cloud installation
>
> All of them are contacting every time and very (too) regularly my xcp-ng
> Pool master, generation some load avg and some Iops
>
> From ACS logs i have these entries which occurs very regularly :
>
> 2022-04-08 16:03:47,368 DEBUG [c.c.h.o.r.Ovm3HypervisorGuru]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) getCommandHostDelegation:
> class com.cloud.agent.api.GetStorageStatsCommand
> 2022-04-08 16:03:47,368 DEBUG [c.c.h.XenServerGuru]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) We are returning the
> default host to execute commands because the command is not of Copy type.
> 2022-04-08 16:03:47,372 DEBUG [c.c.a.m.ClusteredAgentAttache]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) Seq 1-5337328508387459309:
> Forwarding null to 77026952423534
> 2022-04-08 16:03:50,588 DEBUG [c.c.a.t.Request]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) Seq 1-5337328508387459309:
> Received:  { Ans: , MgmtId: 2955451650215, via: 1(xcp-cluster1-node3), Ver:
> v1, Flags: 10, { GetStorageStatsAnswer } }
> 2022-04-08 16:03:50,597 DEBUG [c.c.h.o.r.Ovm3HypervisorGuru]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) getCommandHostDelegation:
> class com.cloud.agent.api.GetStorageStatsCommand
> 2022-04-08 16:03:50,597 DEBUG [c.c.h.XenServerGuru]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) We are returning the
> default host to execute commands because the command is not of Copy type.
> 2022-04-08 16:03:50,601 DEBUG [c.c.a.m.ClusteredAgentAttache]
> (StatsCollector-6:ctx-e75f548d) (logid:09ef2f54) Seq 1-5337328508387459310:
> Forwarding null to 77026952423534
>
> From Xcp-ng, this is launching :
>
> "/usr/bin/python /opt/xensource/sm/LVMoISCSISR
> <methodCall><methodName>sr_scan</methodName><params><param><value>....."
>
> I have my /var/log/SMLog which is growing very fastly
>
> Do you know why ACS is scanning so fastly my xcp-ng storage ?
>
>
> Thanks a lot for your help and ideas
>
> Best regards
> Benoit Lair
>

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