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

From: Kevin Wolf
Subject: Re: [RFC PATCH 06/18] qemu-storage-daemon: Add --nbd-server option
Date: Thu, 7 Nov 2019 16:27:22 +0100
User-agent: Mutt/1.12.1 (2019-06-15)

Am 07.11.2019 um 14:45 hat Eric Blake geschrieben:
> 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.

Can't you already have multiple exports on a single NBD server for
multiple clients today? Or do you need a different server configuration
for each client?


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