[cinder] Cinder Volume Active/Active Support

Arkady.Kanevsky at dell.com Arkady.Kanevsky at dell.com
Thu Mar 28 16:31:48 UTC 2019

Does that mean that we will add to driver functionality doc table miltipathing or A/A explicitly in the future?

From: Jay Bryant <jsbryant at electronicjungle.net>
Sent: Thursday, March 28, 2019 11:16 AM
To: openstack-discuss at lists.openstack.org
Subject: Re: [cinder] Cinder Volume Active/Active Support

This is something I will add to PTG discussion. We need to come up with what certifying really means and push people to work on this.


On Thu, Mar 28, 2019, 10:45 AM Sean McGinnis <sean.mcginnis at gmx.com<mailto:sean.mcginnis at gmx.com>> wrote:
On Thu, Mar 28, 2019 at 08:56:25AM -0500, Ben Nemec wrote:
> Fixed the cinder tag so this should show up for people who filter on it.
> On 3/28/19 3:18 AM, vkalaitzis wrote:
> > I would like to ask if cinder-volume supports active/active setups.
> > I found that there was a blueprint for adding support (https://blueprints.launchpad.net/cinder/+spec/cinder-volume-active-active-support),
> > but as far as I am concerned, no official documentation of such feature
> > exists so far.
> My understanding is that Cinder does support active-active configuration
> now, but someone from the Cinder team will have to provide details.

The support is merged in Cinder for active/active, but the hold up now has been
getting Cinder driver maintainers to certify their drivers and storage devices
will work correctly when running in that configuration.

I seem to recall some work being done with the Ceph/RBD driver, but I don't
believe anything has merged for any drivers to enable that.
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