On Jun 6, 2011, at 3:17 AM, FUJITA Tomonori wrote:
On Mon, 6 Jun 2011 09:59:19 +0000
Shehjar Tikoo <shehjart@xxxxxxxxxxx> wrote:
It is not very clear to me whether Lunr will be a replacement for
Glance
I don't think so.
Glance is the image store which uses s3/swift api's to store machine images. Lunr is an effort to take the block volume code that is currently in nova and separate it into it's own more generic service.
or will only be used for supporting application volumes.
I'm not sure the meaning of application volumes but it's a replacement
of the current nova-volume, provinding volume service for VMs.
Yep, exactly. I believe Shehjart was referring to EBS style block storage, which nova-volume currently provides (and Lunr will replace in the future most likely).
If I
understand this correct, it is trying to overcome the iscsi-only
access method currently provided for creating and accessing
application volumes. Correct?
nova-volume already supports non iSCSI protocols, AOE, Sheepdog, Ceph
RBD. I think that you start working on GlusterFS integration with
nova-volume right now. You can work with Lunr later (when it's
released).
Agreed - it seems most reasonable to begin this work in nova-volume and then add support to Lunr when it is closer to being ready for prime time.
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