[openstack-dev] [cinder][nova] Update attachments on replication failover

John Griffith john.griffith8 at gmail.com
Mon Feb 26 21:28:23 UTC 2018


On Mon, Feb 26, 2018 at 2:13 PM, Matt Riedemann <mriedemos at gmail.com> wrote:

> On 2/26/2018 8:09 PM, John Griffith wrote:
>
>> I'm interested in looking at creating a mechanism to "refresh" all of the
>> existing/current attachments as part of the Cinder Failover process.
>>
>
> What would be involved on the nova side for the refresh? I'm guessing
> disconnect/connect the volume via os-brick (or whatever for non-libvirt
> drivers), resulting in a new host connector from os-brick that nova would
> use to update the existing volume attachment for the volume/server instance
> combo?

​Yep, that's pretty much exactly what I'm thinking about / looking at.  I'm
also wondering how much of the extend actions we can leverage here, but I
haven't looked through all of that yet.​


>
>
> --
>
> Thanks,
>
> Matt
>
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