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https://issues.apache.org/jira/browse/CLOUDSTACK-6797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14016003#comment-14016003
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Min Chen commented on CLOUDSTACK-6797:
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Consulted with Alex, newly created volumes should also be counted in allocated
space even if it is not attached to a VM. So #1 you mentioned here may be a bug
in our product.
> volume resize hsould not be allowed for detached volumes
> --------------------------------------------------------
>
> Key: CLOUDSTACK-6797
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6797
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Storage Controller
> Affects Versions: 4.2.0, 4.4.0
> Reporter: prashant kumar mishra
> Assignee: Min Chen
> Priority: Critical
> Fix For: 4.4.0
>
> Attachments: Logs_db.rar, screenshot-1.jpg, screenshot-2.jpg
>
>
> =>since resize space is counted in allocated space even though it cant be
> attach to VM , other storage operation will fail because threshold value
> If resize is allowed in volume detach
> ==============================
> 1-since there is no check for how much can be increased , suppose user has
> resized it to 1000GB
> 2-when user try to attach volume to vm it will fail since available space is
> not sufficient .
> 3-even though user is not able to use the resized volume ,CS will count
> 1000GB in allocated storage .
> 4-Dash will show allocated percentage >100%
> 5-Because threshold values , we cant perform any operation to that PS
> If resize is allowed online ( volume Attach) state it will fail in first
> place and will not cause any problem
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