Hi ,
Somebody could tell me how much Storage iscsi BW is used with one Xcp-ng
8.2 Lvm SR Iscsi polled without prod , just with Cloudstack StatsCollector
running every 60000 ms ?
I am around 2,5MB/s with 8 SR Iscsi MPIO
Thanks a lot for your help or any advice
Le mer. 13 avr. 2022 à 10:38, benoit lair <kurushi4...@gmail.com> a écrit :
> Hi Wei,
>
> I am going to tweak this value, however which is the purpose of
> StatsCollector ? Which impact will it have by increasing this value ?
>
> I compared with an older ACS management server and saw the footprint
> generated for StatsCollector was not so consuming
>
> I stopped all other management servers on acs 4.16 and kept only one
> management server, i see StatsCollector entries several times a minute
>
> Do the entries i have in logs are normal ?
>
> I have this regularly in them :
>
> 2022-04-11 00:00:28,430 DEBUG [c.c.a.t.Request]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) Seq 2-9020710053623117925:
> Received: { Ans: , MgmtId: 2955451650215, via: 2(xcp-cluster1-node2), Ver:
> v1, Flags:
> 10, { GetStorageStatsAnswer } }
> 2022-04-11 00:00:28,432 DEBUG [c.c.h.o.r.Ovm3HypervisorGuru]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) getCommandHostDelegation:
> class com.cloud.agent.api.GetStorageStatsCommand
> 2022-04-11 00:00:28,432 DEBUG [c.c.h.XenServerGuru]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) We are returning the
> default host to execute commands because the command is not of Copy type.
> 2022-04-11 00:00:28,436 DEBUG [c.c.a.m.ClusteredAgentAttache]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) Seq 1-5337328508387473817:
> Forwarding null to 77026952423534
> 2022-04-11 00:00:32,114 DEBUG [o.a.c.h.HAManagerImpl]
> (BackgroundTaskPollManager-3:ctx-80a31965) (logid:046dbcfc) HA health check
> task is running...
> 2022-04-11 00:00:32,299 DEBUG [c.c.a.t.Request]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) Seq 1-5337328508387473817:
> Received: { Ans: , MgmtId: 2955451650215, via: 1(xcp-cluster1-node3), Ver:
> v1, Flags:
> 10, { GetStorageStatsAnswer } }
> 2022-04-11 00:00:32,301 DEBUG [c.c.h.o.r.Ovm3HypervisorGuru]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) getCommandHostDelegation:
> class com.cloud.agent.api.GetStorageStatsCommand
> 2022-04-11 00:00:32,301 DEBUG [c.c.h.XenServerGuru]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) We are returning the
> default host to execute commands because the command is not of Copy type.
> 2022-04-11 00:00:32,305 DEBUG [c.c.a.m.ClusteredAgentAttache]
> (StatsCollector-6:ctx-ded00a7f) (logid:95bd3e9c) Seq 1-5337328508387473818:
> Forwarding null to 77026952423534
> 2022-04-11 00:00:35,335 DEBUG [c.c.s.StatsCollector]
> (StatsCollector-5:ctx-c31d4516) (logid:f7389038) HostStatsCollector is
> running...
> 2022-04-11 00:00:35,351 DEBUG [c.c.a.m.ClusteredAgentAttache]
> (StatsCollector-5:ctx-c31d4516) (logid:f7389038) Seq 1-5337328508387473819:
> Forwarding null to 77026952423534
> 2022-04-11 00:00:35,407 DEBUG [c.c.a.t.Request]
> (StatsCollector-5:ctx-c31d4516) (logid:f7389038) Seq 1-5337328508387473819:
> Received: { Ans: , MgmtId: 2955451650215, via: 1(xcp-cluster1-node3), Ver:
> v1, Flags:
>
> Is it normal ?
>
>
> Le lun. 11 avr. 2022 à 20:13, Wei ZHOU <ustcweiz...@gmail.com> a écrit :
>
>> 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 <kurushi4...@gmail.com> 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
>> >
>>
>
