From: Paolo Bonzini <pbonzini@redhat.com>
To: Dietmar Maurer <dietmar@proxmox.com>
Cc: kwolf@redhat.com, aliguori@us.ibm.com, stefanha@gmail.com,
qemu-devel@nongnu.org, blauwirbel@gmail.com,
Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [RFC PATCH 0/2] live backup vm
Date: Wed, 12 Dec 2012 03:30:38 -0500 (EST) [thread overview]
Message-ID: <1755108635.21844346.1355301038964.JavaMail.root@redhat.com> (raw)
In-Reply-To: <24E144B8C0207547AD09C467A8259F7557871C7B@lisa.maurer-it.com>
> So our snapshot implementation uses the following steps:
>
> 1.) qmp: savevm-start [statefile]
>
> This save the VM state into [statefile] and then stops the VM.
That's migrate exec:cat>statefile (or similar)
> 2.) qga freezefs
How can freezefs run while the VM is stopped?
> 3.) create snapshots: either using external tools or by qmp:
> snapshot-drive
>
> 4.) gqa unfreezefs
Same as above, this should be done after step (5).
> 5.) qmp: savevm-end
>
> This restarts/resumes the VM
That's simply "cont".
Paolo
next prev parent reply other threads:[~2012-12-12 8:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-08 8:24 [Qemu-devel] [RFC PATCH 0/2] live backup vm Wenchao Xia
2012-12-07 10:12 ` Dietmar Maurer
2012-12-09 4:37 ` Wenchao Xia
2012-12-09 7:12 ` Dietmar Maurer
2012-12-10 1:37 ` Wenchao Xia
2012-12-10 6:23 ` Dietmar Maurer
2012-12-11 7:14 ` Wenchao Xia
2012-12-11 7:46 ` Dietmar Maurer
2012-12-12 2:16 ` Wenchao Xia
2012-12-12 8:30 ` Paolo Bonzini [this message]
2012-12-12 8:50 ` Dietmar Maurer
2012-12-12 9:03 ` Dietmar Maurer
2012-12-12 10:00 ` Paolo Bonzini
2012-12-08 8:24 ` [Qemu-devel] [RFC PATCH 1/2] live backup vm, export functions Wenchao Xia
2012-12-08 8:24 ` [Qemu-devel] [RFC PATCH 2/2] live backup vm, snapshots all lively Wenchao Xia
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