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https://issues.apache.org/jira/browse/CLOUDSTACK-10323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rafael Weingärtner resolved CLOUDSTACK-10323.
---------------------------------------------
Resolution: Fixed
Fix Version/s: 4.12
> Change disk offering when volume is migrated to different type of storage
> pool.
> -------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-10323
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10323
> Project: CloudStack
> Issue Type: Improvement
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.12
> Reporter: Rafael Weingärtner
> Assignee: Rafael Weingärtner
> Priority: Major
> Fix For: 4.12
>
>
> This is a continuation of work developed on PR #2425 (CLOUDSTACK-10240),
> which provided root admins an override mechanism to move volumes between
> storage systems types (local/shared) even when the disk offering would not
> allow such operation. To complete the work, we will now provide a way for
> administrators to enter a new disk offering that can reflect the new
> placement of the volume. We will add an extra parameter to allow the root
> admin inform a new disk offering for the volume. Therefore, when the volume
> is being migrated, it will be possible to replace the disk offering to
> reflect the new placement of the volume.
> The API method will have the following parameters:
> * storageid (required)
> * volumeid (required)
> * livemigrate(optional)
> * newdiskofferingid (optional) – this is the new parameter
> The expected behavior is the following:
> * If “newdiskofferingid” is not provided the current behavior is maintained.
> Override mechanism will also keep working as we have seen so far.
> * If the “newdiskofferingid” is provided by the admin, we will execute the
> following checks
> ** new disk offering mode (local/shared) must match the target storage mode.
> If it does not match, an exception will be thrown and the operator will
> receive a message indicating the problem.
> ** we will check if the new disk offering tags match the target storage tags.
> If it does not match, an exception will be thrown and the operator will
> receive a message indicating the problem.
> ** check if the target storage has the capacity for the new volume. If it
> does not have enough space, then an exception is thrown and the operator will
> receive a message indicating the problem.
> ** check if the size of the volume is the same as the size of the new disk
> offering. If it is not the same, we will ALLOW the change of the service
> offering, and a warning message will be logged.
> We execute the change of the Disk offering as soon as the migration of the
> volume finishes. Therefore, if an error happens during the migration and the
> volume remains in the original storage system, the disk offering will keep
> reflecting this situation
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