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From: Eric Blake <eblake@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-devel@nongnu.org, pkrempa@redhat.com, armbru@redhat.com,
	qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>
Subject: Re: [RFC PATCH 06/18] qemu-storage-daemon: Add --nbd-server option
Date: Thu, 7 Nov 2019 07:45:45 -0600	[thread overview]
Message-ID: <b5f9a8d8-c548-db26-13a0-0494baf9dc30@redhat.com> (raw)
In-Reply-To: <20191107083335.GA5007@linux.fritz.box>

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



  reply	other threads:[~2019-11-07 13:47 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17 13:01 [RFC PATCH 00/18] Add qemu-storage-daemon Kevin Wolf
2019-10-17 13:01 ` [RFC PATCH 01/18] qemu-storage-daemon: Add barebone tool Kevin Wolf
2019-10-24 13:50   ` Eric Blake
2019-11-13 14:12     ` Kevin Wolf
2019-11-06 12:11   ` Max Reitz
2019-11-07 16:21   ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 02/18] qemu-storage-daemon: Add --object option Kevin Wolf
2019-11-07 20:36   ` Markus Armbruster
2019-11-14 12:05     ` Kevin Wolf
2019-11-18  9:10       ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 03/18] stubs: Add arch_type Kevin Wolf
2019-10-17 13:01 ` [RFC PATCH 04/18] stubs: Add blk_by_qdev_id() Kevin Wolf
2019-11-08  9:03   ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 05/18] qemu-storage-daemon: Add --blockdev option Kevin Wolf
2019-11-08 13:29   ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 06/18] qemu-storage-daemon: Add --nbd-server option Kevin Wolf
2019-11-06 12:51   ` Max Reitz
2019-11-06 19:25     ` Eric Blake
2019-11-07  8:33       ` Kevin Wolf
2019-11-07 13:45         ` Eric Blake [this message]
2019-11-07 15:27           ` Kevin Wolf
2019-11-07 15:36             ` Eric Blake
2019-11-08 15:36     ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 07/18] blockdev-nbd: Boxed argument type for nbd-server-add Kevin Wolf
2019-10-17 13:01 ` [RFC PATCH 08/18] qemu-storage-daemon: Add --export option Kevin Wolf
2019-11-06 13:11   ` Max Reitz
2019-11-06 13:34     ` Kevin Wolf
2019-11-06 13:39       ` Max Reitz
2019-11-08 15:57       ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 09/18] qemu-storage-daemon: Add main loop Kevin Wolf
2019-11-08 16:02   ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 10/18] qemu-storage-daemon: Add --chardev option Kevin Wolf
2019-11-08 16:27   ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 11/18] monitor: Move monitor option parsing to monitor/monitor.c Kevin Wolf
2019-10-17 13:01 ` [RFC PATCH 12/18] stubs: Update monitor stubs for qemu-storage-daemon Kevin Wolf
2019-11-08 16:45   ` Markus Armbruster
2019-10-17 13:01 ` [RFC PATCH 13/18] qapi: Create module 'monitor' Kevin Wolf
2019-11-11  9:36   ` Markus Armbruster
2019-10-17 13:02 ` [RFC PATCH 14/18] monitor: Create monitor/qmp-cmds-monitor.c Kevin Wolf
2019-10-17 13:02 ` [RFC PATCH 15/18] qapi: Support empty modules Kevin Wolf
2019-11-12  8:29   ` Markus Armbruster
2019-10-17 13:02 ` [RFC PATCH 16/18] qapi: Create 'pragma' module Kevin Wolf
2019-11-12  9:41   ` Markus Armbruster
2019-10-17 13:02 ` [RFC PATCH 17/18] monitor: Move qmp_query_qmp_schema to qmp-cmds-monitor.c Kevin Wolf
2019-10-17 13:02 ` [RFC PATCH 18/18] qemu-storage-daemon: Add --monitor option Kevin Wolf
2019-11-06 14:32   ` Max Reitz
2019-11-07 10:12     ` Kevin Wolf
2019-11-07 10:44       ` Max Reitz
2019-11-08  8:59   ` Markus Armbruster
2019-11-12 14:25   ` Markus Armbruster
2019-11-13 10:58     ` Kevin Wolf
2019-11-13 13:53       ` Markus Armbruster
2019-10-24 11:33 ` [RFC PATCH 00/18] Add qemu-storage-daemon Kevin Wolf
2019-10-24 13:55 ` Vladimir Sementsov-Ogievskiy
2019-11-14 10:44   ` Kevin Wolf
2019-11-05 15:52 ` Stefan Hajnoczi
2019-11-06 14:37 ` Max Reitz
2019-11-06 14:58   ` Kevin Wolf
2019-11-06 15:35     ` Max Reitz
2019-11-06 17:13     ` Eric Blake
2019-11-21 10:32     ` Stefan Hajnoczi
2019-11-21 11:08       ` Kevin Wolf
2019-12-12 11:16         ` Stefan Hajnoczi
2019-11-07 10:33 ` Daniel P. Berrangé
2019-11-07 12:03   ` Kevin Wolf

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