[jira] [Commented] (CLOUDSTACK-8754) VM migration triggered by dynamic scaling is failing

["Koushik Das (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14706472#comment-14706472 ] 

Koushik Das commented on CLOUDSTACK-8754:
-----------------------------------------

The serialization for 'VmWorkMigrateForScale' object is failing as it has 'DeployDestination' as one of the members which in turn fails as there is a field of type Map<Volume, StoragePool> in it. At runtime this map has objects of type PrimaryDataStoreImpl which is not serialisable and so the error.

> VM migration triggered by dynamic scaling is failing
> ----------------------------------------------------
>
>                 Key: CLOUDSTACK-8754
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8754
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.5.0, 4.6.0
>            Reporter: Koushik Das
>            Assignee: Koushik Das
>             Fix For: 4.6.0
>
>
> Steps to reproduce
> 1. Create a cluster with two hosts, disable one. Since dynamic scaling is supported by XS and Vmware use one of them.
> 2. Create 2 service offerings (say 'small' and 'big')
> 3. Exhaust CPU capacity of the enabled host by deploying VMs with SO 'small'.
> 4. Try scaling up one of the VMs to SO 'big', and make sure it is failing with insufficient capacity.
> 5. Enable the other host in cluster. Make sure this has enough CPU capacity to accommodate the VM with SO 'big'.
> 6. Now repeat step 4.
> Expected
> ------------
> Since there is no cpu resource left on host, vm should scale up after live migration to another host
> Actual
> --------
> VM scale up failed due to "Received exception while scaling 
> com.cloud.utils.exception.CloudRuntimeException: Unable to serialize: com.cloud.vm.VmWorkMigrateForScale@65700a07



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