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Subject: Re: Review Request 13865: Extend support of CloudStack-managed
 storage to KVM
From: "Amogh Vasekar" <amogh.vasekar@citrix.com>
To: "Mike Tutkowski" <mike.tutkowski@solidfire.com>,
 "Amogh Vasekar" <amogh.vasekar@citrix.com>,
 "cloudstack" <dev@cloudstack.apache.org>
Date: Fri, 08 Nov 2013 02:04:01 -0000
Message-ID: <20131108020401.30022.24534@reviews.apache.org>
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Sender: "Amogh Vasekar" <noreply@reviews.apache.org>
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Reply-To: "Amogh Vasekar" <amogh.vasekar@citrix.com>

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/13865/#review28483
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Reminder - 
Hi,
This review has been pending for long. Please update to "submitted" if this has already been committed.
Thanks

- Amogh Vasekar


On Aug. 27, 2013, 9:17 p.m., Mike Tutkowski wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/13865/
> -----------------------------------------------------------
> 
> (Updated Aug. 27, 2013, 9:17 p.m.)
> 
> 
> Review request for cloudstack.
> 
> 
> Bugs: CLOUDSTACK-4527
>     https://issues.apache.org/jira/browse/CLOUDSTACK-4527
> 
> 
> Repository: cloudstack-git
> 
> 
> Description
> -------
> 
> 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).
> 
> 
> Diffs
> -----
> 
> 
> Diff: https://reviews.apache.org/r/13865/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Mike Tutkowski
> 
>


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