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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-4810) Enable hypervisor snapshots for CloudStack-managed storage (for XenServer and VMware)
Date Tue, 12 Nov 2013 23:57:17 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-4810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13820685#comment-13820685
] 

ASF subversion and git services commented on CLOUDSTACK-4810:
-------------------------------------------------------------

Commit bb8794203e6a961da0f9cf755bd0ada89c49a2d8 in branch refs/heads/4.3 from [~mike-tutkowski]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=bb87942 ]

CLOUDSTACK-4810: Enable hypervisor snapshots for CloudStack-managed storage (for XenServer
and VMware)


> Enable hypervisor snapshots for CloudStack-managed storage (for XenServer and VMware)
> -------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-4810
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4810
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.2.0
>         Environment: Ubuntu 12.04
>            Reporter: Mike Tutkowski
>            Assignee: Mike Tutkowski
>             Fix For: 4.3.0
>
>
> CloudStack-managed storage was introduced into CloudStack with the new storage framework
in 4.2.
> This allows CloudStack to create and delete storage repositories and datastores as needed.
> For 4.2 the VDI inside of an SR takes up almost as much space as is available in the
SR (so there is a one-to-one mapping between an SR and a VDI). This is the same idea for datastores
and VMDKs.
> The SR or datastore should be sized larger than its VDI or VMDK so there is space available
for hypervisor snapshots that get stored on the same SR or datastore.
> How much larger can be determined by a cluster-level setting.
> For example, if you want a 10 GB CloudStack volume, the storage plug-in in question can
create, say, a 20 GB volume on its SAN. 10 GB to be used for the CloudStack volume and an
additional 10 GB for hypervisor snapshots.



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