midhunpjos opened a new issue, #14081:
URL: https://github.com/apache/cloudstack/issues/14081
### problem
We are experiencing intermittent/random VM deployment failures in CloudStack
4.22.1 with XCP-ng 8.3.
During the investigation, we observed that the template copy/base volume
associated with the deployment is no longer present in the primary storage.
However, the corresponding database entry still exists in the
template_spool_ref table.
When CloudStack subsequently attempts to deploy a VM from the affected
template, it appears to retrieve the stale storage reference from the database
and attempts to access a VDI that no longer exists.
The deployment then fails with an XCP-ng API error indicating that the VDI
UUID is invalid.
### versions
Apache CloudStack: 4.22.1
Hypervisor: XCP-ng 8.3
Storage: Presetup [iSCSI]
### The steps to reproduce the bug
VM Launch is failing below is observed in logs:
```
2026-09-08 15:02:51,295 ERROR [o.a.c.e.o.VolumeOrchestrator]
(Work-Job-Executor-51:[ctx-21e4a1d0, job-5595/job-5596, ctx-af6a6525])
(logid:0b1aca2f) Unable to create volume
[{"name":"ROOT-449","uuid":"6871902e-df60-4d42-9b9a-7dd2851e0c1b"}] due to
[com.cloud.utils.exception.CloudRuntimeException: Catch Exception
com.xensource.xenapi.Types$UuidInvalid :VDI getByUuid for uuid:
85032e3f-3d1a-4336-af29-4b7039fc71a0 failed due to The uuid you supplied was
invalid.].
2026-09-08 15:02:51,295 WARN [c.c.v.ClusteredVirtualMachineManagerImpl]
(Work-Job-Executor-51:[ctx-21e4a1d0, job-5595/job-5596, ctx-af6a6525])
(logid:0b1aca2f) Unable to contact resource.
com.cloud.exception.StorageUnavailableException: Resource [StoragePool:1] is
unreachable: Unable to create volume
[{"name":"ROOT-449","uuid":"6871902e-df60-4d42-9b9a-7dd2851e0c1b"}] due to
[com.cloud.utils.exception.CloudRuntimeException: Catch Exception
com.xensource.xenapi.Types$UuidInvalid :VDI getByUuid for uuid:
85032e3f-3d1a-4336-af29-4b7039fc71a0 failed due to The uuid you supplied was
invalid.].
```
### What to do about it?
Should the corresponding template_spool_ref entry be removed or marked
appropriately when the template copy is deleted?
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