I'm not sure of any particular benefit to trying to run cinder volumes over swift, and I'm a little confused by the aim - you'd do better to use something closer to purpose designed for the job if you want software fault tolerant block storage - ceph and drdb are the two open-source options I know of.
On 18 March 2015 at 19:40, Adam Lawson <alaw...@aqorn.com> wrote: > Hi everyone, > > Got some questions for whether certain use cases have been addressed and > if so, where things are at. A few things I find particularly interesting: > > - Automatic Nova evacuation for VM's using shared storage > - Using Swift as a back-end for Cinder > > I know we discussed Nova evacuate last year with some dialog leading into > the Paris Operator Summit and there were valid unknowns around what would > be required to constitute a host being "down", by what logic that would be > calculated and what would be required to initiate the move and which > project should own the code to make it happen. Just wondering where we are > with that. > > On a separate note, Ceph has the ability to act as a back-end for Cinder, > Swift does not. Perhaps there are performance trade-offs to consider but > I'm a big fan of service plane abstraction and what I'm not a fan of is > tying data to physical hardware. The fact this continues to be the case > with Cinder troubles me. > > So a question; are these being addressed somewhere in some context? I > admittedly don't want to distract momentum on the Nova/Cinder teams, but I > am curious if these exist (or conflict) with our current infrastructure > blueprints? > > Mahalo, > Adam > > *Adam Lawson* > > AQORN, Inc. > 427 North Tatnall Street > Ste. 58461 > Wilmington, Delaware 19801-2230 > Toll-free: (844) 4-AQORN-NOW ext. 101 > International: +1 302-387-4660 > Direct: +1 916-246-2072 > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- Duncan Thomas
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