Unable to apply DRS resource settings on host. This can significantly reduce the effectiveness of DRS.
<vcenter> vpxd[6768]: Event [162290084] [1-1] [YYYY-MM-DDTHH:MM:SS] [vim.event.DrsResourceConfigureFailedEvent] [error] [] [<cluster>] [162290084] [Unable to apply DRS resource settings on host <host_name> in <cluster>. A specified parameter was not correct: spec.memoryAllocation. This can significantly reduce the effectiveness of DRS.]
/var/log/vmware/vpxd/vpxd.log
, has the following entry:
[YYYY-MM-DDTHH:MM:SS] warning vpxd[11112] [Originator@6876 sub=MoResGroup opID=HB-host-xxxxx@4086-44584e9d] Receive ConfigIssue when processing RP updates from host [vim.HostSystem:host-xxxxx,<host_name>] type vmodl.fault.InvalidArgument on ManagedObject vim.ResourcePool:resgroup-3018 for method vim.ResourcePool.updateChildResourceConfiguration
/var/run/log/hostd.log
has the following entry:
hostd.log: [YYYY-MM-DDTHH:MM:SS] warning hostd[2100325] [Originator@6876 sub=Vmsvc.vm:/vmfs/volumes/datastore/folder/vm_name.vmx opID=HB-SpecSync-host-xxxxx@2972391-11ec7f82-64-c13f user=vpxuser] Insufficient memory reservation for latency-sensitive VM. Expected memory reservation: 65536 MB, actual: 0 MB [YYYY-MM-DDTHH:MM:SS] warning hostd[2100325] [Originator@6876 sub=Hostsvc.ResourcePool ha-root-pool opID=HB-SpecSync-host-xxxxx@2972391-11ec7f82-64-c13f user=vpxuser] UpdateChildResourceConfiguration: N5Vmomi5Fault15InvalidArgument9ExceptionE(Fault cause: vmodl.fault.InvalidArgument
VMware vCenter Server 8.0.x
VMware vCenter Server 7.0.x
This issue occurs due to one or more powered on virtual machines on the host, which are configured for high-latency sensitivity without having a complete memory reservation set as well.
To remove the warning message and to prevent it's reappearance, verify if the VM needs to be configured for high latency sensitivity, depending on which please apply one of the following changes:
"Edit Settings"
"Edit Settings"
Interface, change into the tab "VM Options"
and expand the "Advanced"
section"Latency Sensitivity"
settings, click on the drop-down list to select "Normal"
and save the change with [OK]
:
"Edit Settings"
"Edit Settings"
dialog, under "Virtual Hardware"
tab, expand "Memory"
."Reserve all guest memory (All locked)"
as in the image below[OK]