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From "Hieu LE (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-6883) Golden Primary Storage
Date Tue, 10 Jun 2014 06:57:02 GMT
Hieu LE created CLOUDSTACK-6883:
-----------------------------------

             Summary: 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
             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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