GitHub user Chih80 created a discussion: failed VM migration cloudstack 4.20.1

### problem

migration error on some VMs to a different host. Some VMs are able to migrate 
while others failed at the start.

### versions

cloudstack 4.20.1
managment and mysql on ubuntu 22.04
all host on ubuntu 24.04
All host are using local storage for VMs.

### The steps to reproduce the bug

1. select 'migrate instance to another host' in UI on the selected VM.
2. select host and migrate withstorage
3. failed output:
    Failed to migrate VM [VM instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-
    fea089db2e9b"}] along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"38"}] and VM to host [{vm: "520", from: "57", 
to:"62"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/efcb9266-8ee1-44e7-a569-f1efb3d7f4aa' for incremental 
storage migration of disk 'vda' is not supported].].

### What to do about it?

On the same host, able to migrate some VMs. The ones that can't have the error 
output stated above.

Log:

2025-08-22 23:05:47,373 DEBUG [c.c.c.CapacityManagerImpl] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) STATS: Failed to alloc resource from host: Host 
{"id":61,"name":"reno-host-b03","type":"Routing","uuid":"2f275bc0-c8df-4c73-a497-855a6e134673"}
 reservedCpu: 0, requested cpu: 48000, reservedMem: (0 bytes) 0, requested mem: 
(64.00 GB) 68719476736
2025-08-22 23:05:47,505 DEBUG [c.c.c.ClusterManagerImpl] 
(Cluster-Heartbeat-1:[ctx-8c5c2b95]) (logid:d1497d39) Peer scan is finished. 
profiler: Done. Duration: 2ms , profilerQueryActiveList: Done. Duration: 0ms, , 
profilerSyncClusterInfo: Done. Duration: 0ms, profilerInvalidatedNodeList: 
Done. Duration: 0ms, profilerRemovedList: Done. Duration: 0ms,, 
profilerNewList: Done. Duration: 0ms, profilerInactiveList: Done. Duration: 0ms
2025-08-22 23:05:48,551 DEBUG [c.c.a.t.Request] 
(AgentManager-Handler-8:[ctx-c3e7bb0f]) (logid:) Seq 61-1951747488511695638: 
Processing:  { Ans: , MgmtId: 98960401734289, via: 61, Ver: v1, Flags: 10, 
[{"org.apache.cloudstack.storage.command.CreateObjectAnswer":{"result":"false","details":"com.cloud.utils.exception.CloudRuntimeException:
 Can't find 
volume:b79015df-7d75-421c-8930-e3892ef0052a","wait":"0","bypassHostMaintenance":"false"}}]
 }
2025-08-22 23:05:48,963 DEBUG [c.c.a.t.Request] 
(AgentManager-Handler-7:[ctx-0ce0c857]) (logid:) Seq 57-5361253881407871722: 
Processing:  { Ans: , MgmtId: 98960401734289, via: 57, Ver: v1, Flags: 110, 
[{"com.cloud.agent.api.MigrateAnswer":{"result":"false","details":"Exception 
during migrate: org.libvirt.LibvirtException: Operation not supported: 
pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not 
supported","wait":"0","bypassHostMaintenance":"false"}}] }
2025-08-22 23:05:48,973 DEBUG [c.c.a.t.Request] (AgentManager-Handler-5:[]) 
(logid:) Seq 61-1951747488511695640: Processing:  { Ans: , MgmtId: 
98960401734289, via: 61, Ver: v1, Flags: 110, 
[{"com.cloud.agent.api.Answer":{"result":"false","details":"com.cloud.utils.exception.CloudRuntimeException:
 Could not fetch storage pool ee9296f3-ed01-4bbd-856a-84beb37ed244 from libvirt 
due to org.libvirt.LibvirtException: Storage pool not found: no storage pool 
with matching uuid 'ee9296f3-ed01-4bbd-856a-84beb37ed244'
2025-08-22 23:05:48,973 DEBUG 
[o.a.c.s.m.KvmNonManagedStorageDataMotionStrategy] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) Failed to disconnect one or more (original) dest volumes 
com.cloud.exception.AgentUnavailableException: Resource [Host:61] is 
unreachable: Host 61: Unable to rollback prepare for migration due to the 
following: com.cloud.utils.exception.CloudRuntimeException: Could not fetch 
storage pool ee9296f3-ed01-4bbd-856a-84beb37ed244 from libvirt due to 
org.libvirt.LibvirtException: Storage pool not found: no storage pool with 
matching uuid 'ee9296f3-ed01-4bbd-856a-84beb37ed244'
2025-08-22 23:05:49,005 DEBUG [c.c.c.ClusterManagerImpl] 
(Cluster-Heartbeat-1:[ctx-321b6563]) (logid:e9f8869b) Peer scan is finished. 
profiler: Done. Duration: 2ms , profilerQueryActiveList: Done. Duration: 0ms, , 
profilerSyncClusterInfo: Done. Duration: 0ms, profilerInvalidatedNodeList: 
Done. Duration: 0ms, profilerRemovedList: Done. Duration: 0ms,, 
profilerNewList: Done. Duration: 0ms, profilerInactiveList: Done. Duration: 0ms
2025-08-22 23:05:50,505 DEBUG [c.c.c.ClusterManagerImpl] 
(Cluster-Heartbeat-1:[ctx-8a18f456]) (logid:fc5f1db6) Peer scan is finished. 
profiler: Done. Duration: 2ms , profilerQueryActiveList: Done. Duration: 0ms, , 
profilerSyncClusterInfo: Done. Duration: 0ms, profilerInvalidatedNodeList: 
Done. Duration: 0ms, profilerRemovedList: Done. Duration: 0ms,, 
profilerNewList: Done. Duration: 0ms, profilerInactiveList: Done. Duration: 0ms
2025-08-22 23:05:51,174 ERROR 
[o.a.c.s.m.KvmNonManagedStorageDataMotionStrategy] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) Copy volume(s) to storage(s) [{volume: "1332", from: "33", 
to:"37"}] and VM to host [{vm: "520", from: "57", to:"61"}] failed in 
StorageSystemDataMotionStrategy.copyAsync. Error message: Exception during 
migrate: org.libvirt.LibvirtException: Operation not supported: pre-creation of 
storage target '/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' 
for incremental storage migration of disk 'vda' is not supported]. 
com.cloud.utils.exception.CloudRuntimeException: Exception during migrate: 
org.libvirt.LibvirtException: Operation not supported: pre-creation of storage 
target '/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for 
incremental storage migration of disk 'vda' is not supported
2025-08-22 23:05:51,184 DEBUG [o.a.c.s.v.VolumeServiceImpl] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) Failed to copy volume 
com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].
2025-08-22 23:05:51,184 ERROR [o.a.c.e.o.VolumeOrchestrator] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) Failed to migrate VM [VM instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}]
 along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].].
2025-08-22 23:05:51,204 WARN  [c.c.a.AlertManagerImpl] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) alertType=[17] dataCenterId=[1] podId=[1] clusterId=[null] 
message=[Unable to migrate vm i-5-520-VM from host reno-host-b01 in zone 
Reno-halfbat and pod Reno-halfbat].
2025-08-22 23:05:51,234 DEBUG [c.c.c.CapacityManagerImpl] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) VM instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Running","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}
 state transited from [Migrating] to [Running] with event [OperationFailed]. 
VM's original host: Host 
{"id":57,"name":"reno-host-b01","type":"Routing","uuid":"d56c66e1-d646-4453-9879-80ad11719fc6"},
 new host: Host 
{"id":57,"name":"reno-host-b01","type":"Routing","uuid":"d56c66e1-d646-4453-9879-80ad11719fc6"},
 host before state transition: Host 
{"id":61,"name":"reno-host-b03","type":"Routing","uuid":"2f275bc0-c8df-4c73-a497-855a6e134673"}
2025-08-22 23:05:51,254 ERROR [c.c.v.VmWorkJobHandlerProxy] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) Invocation exception, caused by: 
com.cloud.utils.exception.CloudRuntimeException: Failed to migrate VM [VM 
instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}]
 along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].].
2025-08-22 23:05:51,254 INFO  [c.c.v.VmWorkJobHandlerProxy] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661, ctx-83f5b0a5]) 
(logid:2557fd83) Rethrow exception 
com.cloud.utils.exception.CloudRuntimeException: Failed to migrate VM [VM 
instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}]
 along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].].
2025-08-22 23:05:51,254 ERROR [c.c.v.VmWorkJobDispatcher] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661]) (logid:2557fd83) 
Unable to complete AsyncJob 
{"accountId":2,"cmd":"com.cloud.vm.VmWorkMigrateWithStorage","cmdInfo":"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","cmdVersion":0,"completeMsid":null,"created":"Fri
 Aug 22 23:05:47 UTC 
2025","id":18661,"initMsid":98960401734289,"instanceId":null,"instanceType":null,"lastPol
 
led":null,"lastUpdated":null,"processStatus":0,"removed":null,"result":null,"resultCode":0,"status":"IN_PROGRESS","userId":2,"uuid":"6f9bb3ab-0026-4b47-ab5b-bc04401d2e8f"},
 job origin: 18660 com.cloud.utils.exception.CloudRuntimeException: Failed to 
migrate VM [VM instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}]
 along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].].
2025-08-22 23:05:51,255 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] 
(Work-Job-Executor-118:[ctx-7da649c7, job-18660/job-18661]) (logid:2557fd83) 
Complete async job-18661, jobStatus: FAILED, resultCode: 0, result: 
rO0ABXNyAC9jb20uY2xvdWQudXRpbHMuZXhjZXB0aW9uLkNsb3VkUnVudGltZUV4Y2VwdGlvblZNT3AAAAACAwABSQALY3NFcnJvckNvZGV4cgAaamF2YS5sYW5nLlJ1bnRpbWVFeGNlcHRpb26eXwZHCjSD5QIAAHhyABNqYXZhLmxhbmcuRXhjZXB0aW9u0P0fPho7HMQCAAB4cgATamF2YS5sYW5nLlRocm93YWJsZdXGNSc5d7jLAwAETAAFY2F1c2V0ABVMamF2YS9sYW5nL1Rocm93YWJsZTtMAA1kZXRhaWxNZXNzYWdldAASTGphdmEvbGFuZy9TdHJpbmc7WwAKc3RhY2tUcmFjZXQAHltMamF2YS9sYW5nL1N0YWNrVHJhY2VFbGVtZW50O0wAFHN1cHByZXNzZWRFeGNlcHRpb25zdAAQTGphdmEvdXRpbC9MaXN0O3hwcQB-AAh0AplGYWlsZWQgdG8gbWlncmF0ZSBWTSBbVk0gaW5zdGFuY2UgeyJpZCI6NTIwLCJpbnN0YW5jZU5hbWUiOiJpLTUtNTIwLVZNIiwic3RhdGUiOiJNaWdyYXRpbmciLCJ0eXBlIjoiVXNlciIsInV1aWQiOiI1YzI0MmY0ZC02NDg2LTQ2M2YtOGUxMy1mZWEwODlkYjJlOWIifV0gYWxvbmcgd2l0aCBpdHMgdm9sdW1lcyBkdWUgdG8gW2NvbS5jbG91ZC51dGlscy5leGNlcHRpb24uQ2xvdWRSdW50aW1lRXhjZXB0aW9uOiBDb
 
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-AAVMAAhmaWxlTmFtZXEAfgAFTAAKbWV0aG9kTmFtZXEAfgAFTAAKbW9kdWxlTmFtZXEAfgAFTAANbW9kdWxlVmVyc2lvbnEAfgAFeHABAAAFpHQAA2FwcHQAPW9yZy5hcGFjaGUuY2xvdWRzdGFjay5lbmdpbmUub3JjaGVzdHJhdGlvbi5Wb2x1bWVPcmNoZXN0cmF0b3J0ABdWb2x1bW
 
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2025-08-22 23:05:51,279 WARN  [o.a.c.m.w.WebhookServiceImpl] 
(API-Job-Executor-105:[ctx-15ae3173, job-18660, ctx-81b6ceec]) (logid:2557fd83) 
Skipping delivering event Event 
{"description":"{\"event\":\"VM.MIGRATE\",\"status\":\"Completed\"}","eventId":null,"eventType":"VM.MIGRATE","eventUuid":null,"resourceType":"VirtualMachine","resourceUUID":null}
 to any webhook as account ID is missing
2025-08-22 23:05:51,280 WARN  [o.a.c.f.e.EventDistributorImpl] 
(API-Job-Executor-105:[ctx-15ae3173, job-18660, ctx-81b6ceec]) (logid:2557fd83) 
Failed to publish event [category: ActionEvent, type: VM.MIGRATE] on bus 
webhookEventBus
2025-08-22 23:05:51,290 ERROR [c.c.a.ApiAsyncJobDispatcher] 
(API-Job-Executor-105:[ctx-15ae3173, job-18660]) (logid:2557fd83) Unexpected 
exception while executing 
org.apache.cloudstack.api.command.admin.vm.MigrateVirtualMachineWithVolumeCmd 
com.cloud.utils.exception.CloudRuntimeException: Failed to migrate VM [VM 
instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}]
 along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].].
2025-08-22 23:05:51,290 DEBUG [o.a.c.f.j.i.AsyncJobManagerImpl] 
(API-Job-Executor-105:[ctx-15ae3173, job-18660]) (logid:2557fd83) Complete 
async job-18660, jobStatus: FAILED, resultCode: 530, result: 
org.apache.cloudstack.api.response.ExceptionResponse/null/{"uuidList":[],"errorcode":"530","errortext":"Failed
 to migrate VM [VM instance 
{"id":520,"instanceName":"i-5-520-VM","state":"Migrating","type":"User","uuid":"5c242f4d-6486-463f-8e13-fea089db2e9b"}]
 along with its volumes due to 
[com.cloud.utils.exception.CloudRuntimeException: Copy volume(s) to storage(s) 
[{volume: "1332", from: "33", to:"37"}] and VM to host [{vm: "520", from: "57", 
to:"61"}] failed in StorageSystemDataMotionStrategy.copyAsync. Error message: 
[Exception during migrate: org.libvirt.LibvirtException: Operation not 
supported: pre-creation of storage target 
'/var/lib/libvirt/images/e7934708-955d-499d-8edd-eefad773c44e' for incremental 
storage migration of disk 'vda' is not supported].]."}

GitHub link: https://github.com/apache/cloudstack/discussions/11668

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