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Re: [Qemu-devel] [PATCH v4 0/8] block: drive-backup live backup command
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] [PATCH v4 0/8] block: drive-backup live backup command |
Date: |
Sun, 19 May 2013 17:47:55 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Thu, May 16, 2013 at 10:36:11AM +0200, Stefan Hajnoczi wrote:
[...]
> How can drive-backup be used?
> -----------------------------
> The simplest use-case is to copy a point-in-time snapshot to a local file.
>
> More advanced users may wish to make the target an NBD URL. The NBD server
> listening on the other side can process the backup writes any way it wishes.
> I
> previously posted an RFC series with a backup server that streamed Dietmar's
> VMA backup archive format.
I'm guessing the answer is no, but thought I would ask: Is there
any way to use this to do point-in-time inspection of guests?
AFAICT the only way to do it would be to make a complete copy of a
guest disk in another file.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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- Re: [Qemu-devel] [PATCH v4 2/8] block: add basic backup support to block driver, (continued)
- [Qemu-devel] [PATCH v4 5/8] blockdev: rename BlkTransactionStates to singular, Stefan Hajnoczi, 2013/05/16
- [Qemu-devel] [PATCH v4 4/8] qemu-iotests: add 055 drive-backup test case, Stefan Hajnoczi, 2013/05/16
- [Qemu-devel] [PATCH v4 1/8] block: add bdrv_add_before_write_notifier(), Stefan Hajnoczi, 2013/05/16
- [Qemu-devel] [PATCH v4 6/8] blockdev: add DriveBackup transaction, Stefan Hajnoczi, 2013/05/16
- [Qemu-devel] [PATCH v4 8/8] qemu-iotests: test 'drive-backup' transaction in 055, Stefan Hajnoczi, 2013/05/16
- Re: [Qemu-devel] [PATCH v4 0/8] block: drive-backup live backup command,
Richard W.M. Jones <=
- Re: [Qemu-devel] [PATCH v4 0/8] block: drive-backup live backup command, Kevin Wolf, 2013/05/22