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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-5806) Storage types other than NFS/VMFS can't overprovision
Date Mon, 13 Mar 2017 17:04:41 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-5806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907863#comment-15907863
] 

ASF subversion and git services commented on CLOUDSTACK-5806:
-------------------------------------------------------------

Commit b6c259d72a5d5776634e07cb56b74e8cb4828434 in cloudstack's branch refs/heads/master from
[~abhi_shapeblue]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=b6c259d ]

CLOUDSTACK-5806: add presetup to storage types that support over provisioning
Ideally this should be configurable via global settings


> Storage types other than NFS/VMFS can't overprovision
> -----------------------------------------------------
>
>                 Key: CLOUDSTACK-5806
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5806
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0, 4.3.0, Future
>            Reporter: Marcus Sorensen
>            Assignee: edison su
>            Priority: Critical
>             Fix For: 4.4.0
>
>
> Edison, Mike, or myself can probably fix this. Mgmt server hardcodes storage types that
can overprovision. Need to fix this.
> Edison suggests:
> We can move it to storage driver's capabilities method.
> Each storage driver can report its capabilities in DataStoreDriver-> getCapabilities(),
which returns a map[String, String], we can change the signature to map[String, Object]
> In CloudStackPrimaryDataStoreDriverImpl(the default storage driver)-> getCapabilities,
which can return something like:
> Var comparator = new  storageOverProvision() {
>     Public Boolean isOverProvisionSupported(DataStore store) {
>        Var storagepool = (PrimaryDataStoreInfo)store;
>        If (store.getPoolType() == NFS or VMFS) {
>            Return true;
>       }
>      };
> };
> Var caps = new HashMap[String, Object]();
> Caps.put("storageOverProvision", comparator);
> Return caps;
> }
> Whenever, other places in mgt server want to check the capabilities of overprovision,
we can do the following:
> Var primaryStore = DataStoreManager. getPrimaryDataStore(primaryStoreId);
> var caps = primaryStore. getDriver().getCapabilities();
> var overprovision = caps.get("storageOverProvision");
> var result = overprovision. isOverProvisionSupported(primaryStore);



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