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Unable to power on or migrate VM that reserved memory on DRS clusterIn the vpxd.log file, you see entries similar to: <YYYY-MM-DD>T<time> info vpxd[000000001234] [Originator@1234 sub=vpxLro opID=<opID>] [VpxLRO] -- BEGIN task-internal-0001234 -- PowerOnMainStep -- vim.modularity.WorkflowStepHandler.executeStep -- 85a5dr87-1584-a85d-c857-a7c847595423(0458e858-8547-154d-f158-a4b585fd4751)<YYYY-MM-DD>T<time> error vpxd[000000001234] [Originator@1234 sub=VmProv opID=<opID>] [WorkflowImpl] Get exception while executing action vpx.vmprov.PowerOnVm: vim.fault.InsufficientMemoryResourcesFault --> --> [backtrace begin] product: VMware VirtualCenter, version: 6.0.0, build: build-<build number>, tag: vpxd--> backtrace[00] libvmacore.so[0x003C5FC4]: Vmacore::System::Stacktrace::CaptureWork(unsigned int) --> backtrace[01] libvmacore.so[0x001F0743]: Vmacore::System::SystemFactoryImpl::CreateQuickBacktrace(Vmacore::Ref<Vmacore::System::Backtrace>&) <YYYY-MM-DD>T<time> info vpxd[000000000123] [Originator@1234 sub=Default opID=<opID>] [VpxLRO] -- ERROR task-internal-0001234 -- -- VmprovWorkflow: vim.fault.InsufficientMemoryResourcesFault:--> Result:--> (vim.fault.InsufficientMemoryResourcesFault) {--> faultCause = (vmodl.MethodFault) null, --> faultMessage = (vmodl.LocalizableMessage) [--> (vmodl.LocalizableMessage) {--> key = "vob.sched.group.mem.invalid3", --> arg = (vmodl.KeyAnyValue) [...--> message = "Group vmm.7252779: Failed to apply memory configuration for VMM group vmm0:<VM Name>. (min: 2097152, max: -1, minLimit: -1, shares: -3, units: pages)"--> }, --> (vmodl.LocalizableMessage) {--> key = "msg.vmmonVMK.admitFailed", --> arg = (vmodl.KeyAnyValue) [--> (vmodl.KeyAnyValue) {--> key = "1", --> value = "msg.vmk.status.VMK_MEM_ADMIT_FAILED"--> }, --> (vmodl.KeyAnyValue) {--> key = "2", --> value = "VMware ESX"--> }--> ], --> message = "Could not power on virtual machine: Admission check failed for memory resource. See the VMware ESX Resource Management Guide for information on resource management settings."--> }, --> (vmodl.LocalizableMessage) {--> key = "msg.monitorLoop.createVMFailed.vmk", --> message = "Failed to power on VM.", --> }, --> (vmodl.LocalizableMessage) { --> key = "vpxd.vm.poweron.unexpectedfailure", --> arg = (vmodl.KeyAnyValue) [ --> (vmodl.KeyAnyValue) { --> key = "1", --> value = "<VM Name>" --> } --> ], --> message = "An unexpected error was received from the ESX host while powering on VM <VM Name>." --> } --> ], --> unreserved = -1, --> requested = -1 --> msg = "The available Memory resources in the parent resource pool are insufficient for the operation." --> } --> Args: --> <YYYY-MM-DD>T<time> error vpxd[000000000123] [Originator@1234 sub=PowerOnMainStepHandler opID=<opID>] [ExecuteStep] Failed to power on the VM. Got methodFault N3Vim5Fault32InsufficientMemoryResourcesFault9ExceptionE(vim.fault.InsufficientMemoryResourcesFault) In the hostd.log file, you see entries similar to: <YYYY-MM-DD>T<time> verbose hostd[00001234] [Originator@1234 sub=Vmsvc.vm:/vmfs/volumes/987b5869-e5a788df-a957-fd8511ab173d/<VM_Name>/<VM_Name>.vmx] Handling vmx message 136702730: Group vmm.7252779: Failed to apply memory configuration for VMM group vmm0:<VM_Name>. (min: 2097152, max: 18446744073709551615, minLimit: 18446744073709551615, shares: 4294967293, units: pages)--> Could not power on virtual machine: Admission check failed for memory resource.--> See the VMware ESX Resource Management Guide for information on resource management settings.--> Failed to power on VM.--> In the vmkernel.log file, you see entries similar to: <YYYY-MM-DD>T<time> cpu2:7252779)WARNING: MemSched: vm 7252780: 6090: invalid memory allocation for VMM group: Admission check failed for memory resource
DRS underestimates memory reservation on VM.
This issue is resolved in VMware ESXi 6.0 Patch Release ESXi600-201807001 available at, VMware Patch Downloads.
To workaround this issue, Disable memory reservation on Virtual Machine.Login to ESXi and power on Virtual Machine.
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