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From Stephen Turner <Stephen.Tur...@citrix.com>
Subject RE: Review Request 17889: CLOUDSTACK-4762: Enabling vGPU support for XenServer.
Date Tue, 11 Mar 2014 16:13:28 GMT
Thanks for your reply, Sanjay. I understand that it's only K1 and K2 cards at the moment, but
when they add more, do we really want to have to edit the code to match? What is the notification
process by which we know there are new types? Does the user have to upgrade CloudStack to
get access to the new types? In contrast, if we could use the current list from the server,
we don't have to worry about it: it will just keep itself up to date.

-- 
Stephen Turner


-----Original Message-----
From: Sanjay Tripathi 
Sent: 11 March 2014 16:05
To: Stephen Turner; dev@cloudstack.apache.org
Subject: RE: Review Request 17889: CLOUDSTACK-4762: Enabling vGPU support for XenServer.

Hi Stephen,

As of now, there are 2 GPU cards available in market i.e. NVIDIA GRID K1 and K2 cards. These
card supports 5 different configurations of vGPUs which we call as vGPU types (for details:
http://www.nvidia.com/object/virtual-gpus.html).  In future, if this list grows, then we'll
add a separate table similar to guest_os table, which will have the list of supported vGPU
types.

Also, the table "vgpu_types" has the entries of different vGPU types supported in hosts managed
by CloudStack.

--Sanjay

-----Original Message-----
From: Stephen Turner 
Sent: Tuesday, March 11, 2014 5:54 PM
To: dev@cloudstack.apache.org
Cc: Sanjay Tripathi
Subject: RE: Review Request 17889: CLOUDSTACK-4762: Enabling vGPU support for XenServer.

I see that the change has been pushed already, but I'm a bit concerned about there being a
hard-coded list of vGPU types in the class GPU. I anticipate that Nvidia or other vendors
will add more vGPU types later, and this will require us to keep up with the list. Is there
a way we can use the list of vGPU types returned from the servers instead?

-- 
Stephen Turner



-----Original Message-----
From: ASF Subversion and Git Services [mailto:noreply@reviews.apache.org] On Behalf Of ASF
Subversion and Git Services
Sent: 11 March 2014 10:10
To: Koushik Das; Devdeep Singh; Alex Huang
Cc: Sanjay Tripathi; ASF Subversion and Git Services; cloudstack
Subject: Re: Review Request 17889: CLOUDSTACK-4762: Enabling vGPU support for XenServer.


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/17889/#review36769
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Commit c7d31fe288b13ff4f0f046f83f9eb4a9c2bf06c5 in cloudstack's branch refs/heads/master from
Sanjay Tripathi [ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=c7d31fe ]

CLOUDSTACK-4760 : Enabling GPU support for XenServer.
CLOUDSTACK-4762 : Enabling VGPU support for XenServer.

This feature is to enable the GPU-passthrough and vGPU functionality, with the help of this
feature, admins/users will be able to leverage the GPU graphics unit power by deploying a
virtul machine with GPU or vGPU support or by changing the service offering of an existing
VM at any later point of time. There GPU/vGPU enabled VMs are able to run graphical applications.
For now, this feature is only supported with XenServer hypervisor but can be extended to add
the support of other hypervisors.


- ASF Subversion and Git Services


On Feb. 27, 2014, 12:35 p.m., Sanjay Tripathi wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/17889/
> -----------------------------------------------------------
> 
> (Updated Feb. 27, 2014, 12:35 p.m.)
> 
> 
> Review request for cloudstack, Alex Huang, Devdeep Singh, and Koushik Das.
> 
> 
> Bugs: CLOUDSTACK-4760 and CLOUDSTACK-4762
>     https://issues.apache.org/jira/browse/CLOUDSTACK-4760
>     https://issues.apache.org/jira/browse/CLOUDSTACK-4762
> 
> 
> Repository: cloudstack-git
> 
> 
> Description
> -------
> 
> CLOUDSTACK-4760 : Enabling GPU support for XenServer.
> CLOUDSTACK-4762 : Enabling VGPU support for XenServer.
>     
> This feature is to enable the GPU-passthrough and vGPU functionality, 
> with the help of this feature, admins/users will be able to leverage 
> the GPU graphics unit power by deploying a virtul machine with GPU or 
> vGPU support or by changing the service offering of an existing VM at 
> any later point of time. There GPU/vGPU enabled VMs are able to run 
> graphical applications.
> For now, this feature is only supported with XenServer hypervisor but 
> can be extended to add the support of other hypervisors.
> 
> 
> Diffs
> -----
> 
>   api/src/com/cloud/agent/api/to/GPUDeviceTO.java PRE-CREATION 
>   api/src/com/cloud/agent/api/to/VirtualMachineTO.java bed3e1d 
>   api/src/com/cloud/gpu/GPU.java PRE-CREATION 
>   api/src/org/apache/cloudstack/api/ApiConstants.java 7b7f9ca 
>   api/src/org/apache/cloudstack/api/command/admin/offering/CreateServiceOfferingCmd.java
1d8cbff 
>   api/src/org/apache/cloudstack/api/response/GpuResponse.java PRE-CREATION 
>   api/src/org/apache/cloudstack/api/response/HostResponse.java e2d8eb5 
>   api/src/org/apache/cloudstack/api/response/UserVmResponse.java 84d532b 
>   api/src/org/apache/cloudstack/api/response/VgpuResponse.java PRE-CREATION 
>   core/src/com/cloud/agent/api/GetGPUStatsAnswer.java PRE-CREATION 
>   core/src/com/cloud/agent/api/GetGPUStatsCommand.java PRE-CREATION 
>   core/src/com/cloud/agent/api/StartupRoutingCommand.java 626c87f 
>   core/src/com/cloud/agent/api/StopCommand.java 6a29aa6 
>   engine/components-api/src/com/cloud/resource/ResourceManager.java 95fb385 
>   engine/orchestration/src/com/cloud/vm/VirtualMachineManagerImpl.java d19fc38 
>   engine/schema/resources/META-INF/cloudstack/core/spring-engine-schema-core-daos-context.xml
08efb83 
>   engine/schema/src/com/cloud/gpu/HostGpuGroupsVO.java PRE-CREATION 
>   engine/schema/src/com/cloud/gpu/VGPUTypesVO.java PRE-CREATION 
>   engine/schema/src/com/cloud/gpu/dao/HostGpuGroupsDao.java PRE-CREATION 
>   engine/schema/src/com/cloud/gpu/dao/HostGpuGroupsDaoImpl.java PRE-CREATION 
>   engine/schema/src/com/cloud/gpu/dao/VGPUTypesDao.java PRE-CREATION 
>   engine/schema/src/com/cloud/gpu/dao/VGPUTypesDaoImpl.java PRE-CREATION 
>   engine/schema/src/com/cloud/host/HostVO.java 56c066b 
>   engine/schema/src/com/cloud/host/dao/HostDaoImpl.java 08a4366 
>   engine/schema/src/com/cloud/service/ServiceOfferingDetailsVO.java e1a1e93 
>   plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
48ae3ea 
>   server/src/com/cloud/agent/manager/allocator/impl/FirstFitAllocator.java b77f8ac 
>   server/src/com/cloud/api/ApiDBUtils.java a23244b 
>   server/src/com/cloud/api/query/dao/HostJoinDaoImpl.java 1b95d9b 
>   server/src/com/cloud/api/query/dao/UserVmJoinDaoImpl.java 08478e2 
>   server/src/com/cloud/configuration/ConfigurationManagerImpl.java 1c1da1f 
>   server/src/com/cloud/deploy/DeploymentPlanningManagerImpl.java 3c87b24 
>   server/src/com/cloud/hypervisor/HypervisorGuruBase.java 7fb79fa 
>   server/src/com/cloud/network/NetworkUsageManagerImpl.java e9b0393 
>   server/src/com/cloud/resource/ResourceManagerImpl.java adad85c 
>   server/src/com/cloud/server/ManagementServerImpl.java 2a08ddc 
>   server/src/com/cloud/server/StatsCollector.java 548587c 
>   server/src/com/cloud/storage/VolumeApiServiceImpl.java c95d316 
>   server/src/com/cloud/vm/UserVmManagerImpl.java 97e3ae7 
>   server/test/com/cloud/resource/MockResourceManagerImpl.java 5599e8c 
>   server/test/com/cloud/vm/DeploymentPlanningManagerImplTest.java 751a3bd 
>   server/test/resources/createNetworkOffering.xml c6228da 
>   setup/db/db/schema-430to440.sql 0ded7a9 
>   test/integration/smoke/test_deploy_vgpu_enabled_vm.py PRE-CREATION 
>   tools/marvin/marvin/integration/lib/base.py 0a7ad94 
>   ui/scripts/configuration.js 869b876 
>   ui/scripts/instances.js 53c9e98
> 
> Diff: https://reviews.apache.org/r/17889/diff/
> 
> 
> Testing
> -------
> 
> Tests:
> 
> Hosts:
> 1) Add a XS hosts with GPU cards.
> 2) Create a pool of XS hosts with GPU cards.
> 3) Create a pool of XS hosts which are GPU enabled as well which are not enabled.
> 4) Checke the values in both the tables and verify the no. of GPU cards, remaining capacity
etc.
> 5) Remove a host from a pool and the remaining capacity should get updated properly.
 
> 
> VM:
> 1) Create a compute offering with GPU/vGPU capability.
> 2) Deploy HVM OS with this service offering.
> 3) In case of successful start of VM, remaining capacity should get updated correspondingly.
> 4) Stop the VM and verify the capacity.
> 5) Destroy the VM and verify the capacity.
> 6) If the hosts does not have capacity to deploy a gpu enabled VM, then CS throws the
InsufficientServerCapacity exception with proper error message in the logs.
> 
> 
> Thanks,
> 
> Sanjay Tripathi
> 
>

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