Unable to migrate VM between new host and older hosts , running same versions #9768
Description
ISSUE TYPE
- Bug Report
COMPONENT NAME
Agent , KVM
CLOUDSTACK VERSION
4.18.1 , 4.18.2
CONFIGURATION
OS / ENVIRONMENT
AlmaLinux 9.3 - 9.4
SUMMARY
I'm running 10 Host Almalinux 9.3 Cluster witout issues.
However , on adding a new host , I cannot migrate an VM away from the new host.
I can Migrate to the new host , but not away from it.
All Machines are 100% identical , running same libvirt 9.5
Here is the Log I Get
2024-10-04 00:06:51,927 DEBUG [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-2:null) (logid:50b23ae4) This host utilizes cgroupv2 (as the max shares value is [145600]), thus, the VM requested shares of [4000] will be converted to consider the host limits; the new CPU shares value is [275].
2024-10-04 00:06:51,931 INFO [resource.wrapper.LibvirtMigrateCommandWrapper] (agentRequest-Handler-2:null) (logid:50b23ae4) VM [i-2-76-VM] will have CPU shares altered from [4000] to [0] as part of migration because the cgroups version differs between hosts.
All Nodes have cgroup2
grep cgroup /proc/filesystems
nodev cgroup
nodev cgroup2
EXPECTED RESULTS
Should be able to migrate between hosts without issues.
ACTUAL RESULTS
Unable to migrate VMs