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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