From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Uri Lublin <uril@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] migration: adding migration to/from a file
Date: Mon, 19 Jan 2009 00:55:57 +0000 [thread overview]
Message-ID: <200901190055.57922.paul@codesourcery.com> (raw)
In-Reply-To: <1232324325-25060-1-git-send-email-uril@redhat.com>
On Monday 19 January 2009, Uri Lublin wrote:
> Migration to file, reuses migration-to-fd.
> Migration from file, uses qemu-fopen directly.
>
> The saved state-file should be used only once and removed (or used
> with -snapshot, or a the disk-image should be copied), as the
> disk image is not saved, only the VM state.
>
> Also there is not point of doing a _live_ migration to file (except
> for debugging migration code), so I recommend to stop the VM before
> migrating its state to a file.
>
> An advantage migration-to-file over savevm/loadvm is that for the latter
> a qcow2 is a requirement, while the former works for any image-format.
Wouldn't it be better to just implement savevm to file?
Paul
next prev parent reply other threads:[~2009-01-19 0:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-19 0:18 [Qemu-devel] [PATCH] migration: adding migration to/from a file Uri Lublin
2009-01-19 0:55 ` Paul Brook [this message]
2009-01-20 11:05 ` Uri Lublin
2009-01-20 14:06 ` Ian Jackson
2009-01-19 15:11 ` Anthony Liguori
2009-01-20 11:15 ` Daniel P. Berrange
2009-01-20 12:15 ` Uri Lublin
2009-01-20 16:24 ` Anthony Liguori
2009-01-20 11:32 ` Uri Lublin
2009-01-20 11:53 ` Daniel P. Berrange
2009-01-20 16:26 ` Anthony Liguori
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200901190055.57922.paul@codesourcery.com \
--to=paul@codesourcery.com \
--cc=qemu-devel@nongnu.org \
--cc=uril@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).