GitHub user yann1ck-oder-so edited a discussion: System VMs fail to start –
“Unable to create a deployment for VM instance
Hi everyone,
I’m running a management server and currently have two KVM hosts, both on
Ubuntu.
The basic configuration is complete, and both hosts are successfully added to
the cluster.
The problem:
My System VMs (Console Proxy & Secondary Storage VM) won’t start.
In the CloudStack UI, the message just says “Could not be started.”
When checking the log (/var/log/cloudstack/management/management-server.log), I
get the following error:
com.cloud.exception.InsufficientServerCapacityException:
Unable to create a deployment for VM instance
{"id":852,"instanceName":"s-852-VM","state":"Starting","type":"SecondaryStorageVm","uuid":"447f0e3d-dae7-4f06-885c-fe262274c46d"}
Scope=interface com.cloud.dc.DataCenter; id=1
Meaning (according to docs):
CloudStack could not find a host with sufficient resources (CPU, RAM, or
storage) to deploy the Secondary Storage VM.
However, both hosts are green (Up) in the UI and appear to be available.
I’ve checked the following:
Hosts show “Up” status
Plenty of free CPU and RAM
Networking appears correct
Storage is connected and accessible
Question:
What could cause CloudStack to fail finding a suitable host, even though both
are active?
Are there any additional requirements (e.g., network setup, storage tags, or
system offering settings) I might have missed?
Thanks in advance!
GitHub link: https://github.com/apache/cloudstack/discussions/11903
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