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https://issues.apache.org/jira/browse/CLOUDSTACK-6883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Animesh Chaturvedi updated CLOUDSTACK-6883:
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BULK EDIT> As you know 4.5 is getting ready for release and these New feature
and Improvement tickets are still open, please update the status. If the
changes are not committed yet then these tickets need to be moved out of 4.5
> Golden Primary Storage
> ----------------------
>
> Key: CLOUDSTACK-6883
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6883
> Project: CloudStack
> Issue Type: New Feature
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Storage Controller
> Affects Versions: 4.5.0
> Reporter: Hieu LE
> Assignee: Hieu LE
> Labels: features
> Fix For: 4.5.0
>
>
> Currently all VMs in CloudStack have not been guaranteed IOPS from the
> primary storage, especially shared storage. In some cases (such as deploying
> a large number of VMs), this could lead to slow performance and high
> boot-time of VM.
> In CloudStack 4.3, all VMs deployed in XenServer always have a child image
> VHD stay on the same storage repository with parent image (master image or
> golden image). Thus, this page describe a new approach in order to increase
> VM performance by decrease total IOPS in primary storage. The method is
> simply move the parent image to a new high-IOPS primary storage, similar with
> XenServer Intellicache feature. This method can reduce storage cost by
> 30-40%, compare to 80% of Intellicache.
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