[jira] [Updated] (CLOUDSTACK-4527) Extend support of CloudStack-managed storage to KVM

["Mike Tutkowski (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-4527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Tutkowski updated CLOUDSTACK-4527:
---------------------------------------

    Fix Version/s:     (was: Future)
                   4.3.0

> Extend support of CloudStack-managed storage to KVM
> ---------------------------------------------------
>
>                 Key: CLOUDSTACK-4527
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4527
>             Project: CloudStack
>          Issue Type: New Feature
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM
>    Affects Versions: 4.3.0
>            Reporter: Mike Tutkowski
>            Assignee: Mike Tutkowski
>             Fix For: 4.3.0
>
>
> From Review Request 13865:
> This patch is part two of the SolidFire plug-in. Part one is described in Review Request 11479 and was implemented in CS 4.2.
> The focus of this patch is to support a one-to-one mapping between a CloudStack volume and a SolidFire volume when using KVM.
> The hypervisor plug-ins were initially developed to expect storage was preallocated from a storage device. In 4.2, with the storage plug-in framework, this model has changed to additionally support Primary Storage representing a storage device itself (ex. a SAN) as opposed to it having to represent preallocated storage (ex. a volume from a SAN).
> In the new model, Primary Storage can represent a SAN like SolidFire's. When a CloudStack volume is attached to a VM for the first time, the storage framework asks the storage plug-in to execute some logic. In the SolidFire case, this is where a volume is created on the SolidFire SAN.
> In CS 4.2, I created the SolidFire plug-in and modified necessary parts of the storage framework as well as XenServer and VMware plug-in logic to enable a one-to-one mapping between a CS volume and a SolidFire volume when using XenServer and ESX(i).
> This patch aims to extend this support to KVM.
> Support is offered in the form of Disk Offerings (not Compute Offerings).



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