yashi4engg opened a new issue, #8629:
URL: https://github.com/apache/cloudstack/issues/8629
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DRS failed for cluster if have another cluster in zone
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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cloudstack 4.19 , KVM hypervisors with OEL9 ,
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##### CLOUDSTACK VERSION
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cloudstack 4.19
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##### CONFIGURATION
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Configured 2 zones with 2 clusters in each zone.
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##### OS / ENVIRONMENT
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OEL9
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##### SUMMARY
We have zone1 where we have two clusters ex- cluster01 and cluster02 ,
Where cluster01 have 3 hypervisors with same h/w model and cluster02 has one
hypervisor with dfifferent h/w model.
I have enabled drs setiings in globals setting and then disbaled it for
cluster02 in cluster setting "drs.automatic.enable -- false" but enabled for
cluster01 .
In the above scenario drs plan failed with below logs -
2024-02-08 10:26:33,532 DEBUG [c.c.s.ManagementServerImpl]
(VMSchedulerPollTask:ctx-0bba1590) (logid:f0f7966b) Hosts having capacity and
suitable for migration: [Host
{"id":25,"name":"node-cluster01","type":"Routing","uuid":"5d145861-e4ad-4f94-a805-266711321d59"},
Host
{"id":40,"name":"node-cluster02","type":"Routing","uuid":"66b47d2a-b047-452c-b5d3-65c160666b50"},
Host
{"id":48,"name":"node-cluster01","type":"Routing","uuid":"da1be373-cd08-4ae1-948f-7592daabb3fc"}]
2024-02-08 10:26:33,535 ERROR [o.a.c.c.ClusterDrsServiceImpl]
(VMSchedulerPollTask:ctx-0bba1590) (logid:f0f7966b) Unable to generate DRS
plans for cluster Cluster-Z01 [id=5366c5fb-0ed0-4caf-b2c7-93ebea15a717]
If i disable host from cluster02 our drs works as expected and migrated VMs
based on load . But when we have both clusters and all nodes in cluster enabled
its failed to generate plan.
Below are cluster level settings for reference from DB.
621 | 1 | drs.automatic.enable
| true |
| 622 | 1 | drs.automatic.interval
| 10 |
| 623 | 1 | drs.imbalance
| 0.4 |
| 624 | 16 | drs.automatic.enable
| false
Even tried by keep it disabled in global settings and then enable it for
just one cluster in cluster settings.
As our use case is where we have multiple clusters in same zone with
different type of h/w.
##### STEPS TO REPRODUCE
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Can try be creating 2 clusters with differnet type of h/w.
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##### EXPECTED RESULTS
<!-- it should work for cluster if enabled for cluster and should not tried
to include other cluster node in drs plan -->
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