Re: [RFC PATCH 06/18] qemu-storage-daemon: Add --nbd-server option

[Eric Blake]

On 11/7/19 2:33 AM, Kevin Wolf wrote:

> As a replacement nbd-server-add, I envisioned adding something like a
> block-export-add, which would work the way that --export already does.
> It would also come with query-block-exports and block-export-del, and it
> wouldn't contain only NBD devices, but also vhost-user, FUSE, etc.
> exports.
>
> Now I'm wondering if the same would make sense for nbd-server-start.
> Maybe an API change would even allow us to start multiple NBD servers
> (e.g. listening on different IP addresses or using different tls-creds).

We want that (the ability to run multiple parallel NBD servers) anyway, 
to allow parallel incremental backups from different points in time to 
different clients.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org