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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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Daan Hoogland updated CLOUDSTACK-6883:
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Fix Version/s: (was: 4.5.1)
4.5.2
> 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: 4.5.2
>
>
> 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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