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[Qemu-devel] [Bug 1184089] [NEW] [Feature request] loadvm snapshot as re
From: |
Michael Coppola |
Subject: |
[Qemu-devel] [Bug 1184089] [NEW] [Feature request] loadvm snapshot as read-only |
Date: |
Sat, 25 May 2013 08:29:11 -0000 |
Public bug reported:
There are many ways to take and manage snapshots in QEMU, but one main
feature that's missing is the ability to 'loadvm' a LIVE snapshot and
have all future changes redirected to a temporary file. This would
effectively be combining the -loadvm and -snapshot switches and make the
snapshot read-only. With this feature, users would be provided a
"sandbox" and be able to start and restart the same live snapshot
without corrupting the image in doing so.
I found a lot of discussion about this topic on the mailing list years
ago, including some patch submissions, but none of the conversations
panned out.
http://lists.gnu.org/archive/html/qemu-discuss/2011-10/msg00011.html
http://copilotco.com/mail-archives/qemu.2008/msg00072.html
http://web.archiveorange.com/archive/v/1XS1vcusGInZKG2e0ImX
http://marc.info/?l=qemu-devel&m=117191084713590
What would it take for this feature to be added, and can we use the
patches submitted by Eddie Kohler to enable this feature?
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1184089
Title:
[Feature request] loadvm snapshot as read-only
Status in QEMU:
New
Bug description:
There are many ways to take and manage snapshots in QEMU, but one main
feature that's missing is the ability to 'loadvm' a LIVE snapshot and
have all future changes redirected to a temporary file. This would
effectively be combining the -loadvm and -snapshot switches and make
the snapshot read-only. With this feature, users would be provided a
"sandbox" and be able to start and restart the same live snapshot
without corrupting the image in doing so.
I found a lot of discussion about this topic on the mailing list years
ago, including some patch submissions, but none of the conversations
panned out.
http://lists.gnu.org/archive/html/qemu-discuss/2011-10/msg00011.html
http://copilotco.com/mail-archives/qemu.2008/msg00072.html
http://web.archiveorange.com/archive/v/1XS1vcusGInZKG2e0ImX
http://marc.info/?l=qemu-devel&m=117191084713590
What would it take for this feature to be added, and can we use the
patches submitted by Eddie Kohler to enable this feature?
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