[Openstack-operators] Question regarding to referencearchitecture.org

Jason Cannavale jason.cannavale at rackspace.com
Tue May 1 14:17:43 UTC 2012


I think it would be a great idea to get a larger set of architectures for
easy review, let me see what I can do.


On 5/1/12 2:26 PM, "Duncan McGreggor" <duncan at dreamhost.com> wrote:

>Folks from CERN and NeCTAR [1] have expressed interest in sharing
>their cloud architectures and reference materials.
>Should they go through you, and get their data/images put up on
>http://www.referencearchitecture.org/ ?
>[1] Associated with the University of Melbourne, http://nectar.org.au/
>On Tue, May 1, 2012 at 8:20 AM, Jason Cannavale
><jason.cannavale at rackspace.com> wrote:
>> Hi Igor, Vivek,
>> Apologies for the confusion. This site was put together quite some time
>> (between Cactus and Diablo releases) and only took into consideration
>> nova and swift projects, and has not been updated since that time.
>> Unfortunately, there was no consideration for nova-volumes, however your
>> assumption is correct that the huge local storage on the compute nodes
>> for the image download from glance to the compute node, booting the
>> and providing some local storage for the instances themselves.
>> In the case of images and snapshots the document makes the assumption
>> swift was the backend for glance. In this case you would have
>>glance-api and
>> glance-registry running on the controller node with the swift
>>middleware and
>> would follow the swift portion of the reference architecture.
>> Jason
>> From: Vivek Singh Raghuwanshi <vivekraghuwanshi at gmail.com>
>> Date: Tuesday, May 1, 2012 12:59 PM
>> To: Igor Laskovy <igor.laskovy at gmail.com>
>> Cc: "openstack-operators at lists.openstack.org"
>> <openstack-operators at lists.openstack.org>
>> Subject: Re: [Openstack-operators] Question regarding to
>> referencearchitecture.org
>> Yes and to store images and snapshorts
>> On Tue, May 1, 2012 at 5:11 PM, Igor Laskovy <igor.laskovy at gmail.com>
>>> Hi all!
>>> I am new to the openstack. I have question regarding to
>>> http://www.referencearchitecture.org/physical-deployment/ .
>>> This design shown a two controller nodes, one brand iSCSI DAS and a
>>> lot of compute nodes. Controller nodes has small local storages and
>>> connectivity to iSCSI DAS. Compute nodes, according to "Rule of
>>> Thumb): 4 to 8 GB RAM and 1 Spindle Per Core", has a lot of local
>>> spaces each one.
>>> So how work Nova-volumes here? It is running on controller node and
>>> use VG "nova-volumes" which based on disk via attached iSCSI DAS?
>>> After that euca-create-volume create volume and will expose it to the
>>> compute node via iSCSI again? If it is correct, what is the point to
>>> use huge local storages at compute nodes, for boot image of instances
>>> only?
>>> Igor Laskovy
>>> _______________________________________________
>>> Openstack-operators mailing list
>>> Openstack-operators at lists.openstack.org
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>> --
>> ViVek Raghuwanshi
>> Mobile -+91-09595950504
>> Skype - vivek_raghuwanshi
>> _______________________________________________
>> Openstack-operators mailing list
>> Openstack-operators at lists.openstack.org
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators

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