From: Stefan Hajnoczi <stefanha@redhat.com>
To: zhangleiqiang@gmail.com
Cc: "zhangleiqiang@huawei.com" <zhangleiqiang@huawei.com>,
"dietmar@proxmox.com" <dietmar@proxmox.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [RFC 0/8] block: Live backup prototype
Date: Tue, 9 Apr 2013 13:10:17 +0200 [thread overview]
Message-ID: <20130409111017.GA11559@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <119F45BE-6020-4D40-8C33-FA5ADFA18AA5@gmail.com>
On Tue, Apr 09, 2013 at 07:00:23PM +0800, zhangleiqiang@gmail.com wrote:
> Is there already a plan to support the differential or incremental backups in this Live backup feature?
No, it has been mentioned but no design or patches have been proposed.
It seems like a persistent dirty bitmap would need to be implemented.
Today QEMU has code for dirty bitmaps but they are in-memory and not
persistent.
Stefan
next prev parent reply other threads:[~2013-04-09 11:10 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-09 11:00 [Qemu-devel] [RFC 0/8] block: Live backup prototype zhangleiqiang
2013-04-09 11:10 ` Stefan Hajnoczi [this message]
2013-04-09 15:34 ` Dietmar Maurer
-- strict thread matches above, loose matches on Subject: below --
2013-03-09 22:22 Stefan Hajnoczi
2013-03-10 9:14 ` Dietmar Maurer
2013-03-10 10:19 ` Stefan Hajnoczi
2013-03-10 10:38 ` Dietmar Maurer
2013-03-10 11:09 ` Stefan Hajnoczi
2013-03-10 10:50 ` Dietmar Maurer
2013-03-10 11:10 ` Stefan Hajnoczi
2013-03-11 8:58 ` Dietmar Maurer
2013-03-11 9:26 ` Dietmar Maurer
2013-03-11 14:27 ` Stefan Hajnoczi
2013-03-11 15:00 ` Dietmar Maurer
2013-03-11 17:11 ` Stefan Hajnoczi
2013-03-10 9:57 ` Dietmar Maurer
2013-03-10 10:41 ` Stefan Hajnoczi
2013-03-12 9:18 ` Kevin Wolf
2013-03-12 10:50 ` Stefan Hajnoczi
2013-03-12 11:15 ` Dietmar Maurer
2013-03-12 12:18 ` Stefan Hajnoczi
2013-03-12 11:22 ` Kevin Wolf
2013-03-12 11:31 ` Dietmar Maurer
2013-03-12 11:37 ` Dietmar Maurer
2013-03-12 12:17 ` Stefan Hajnoczi
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