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Bug 873285 - [RFE] Add support for reverting and deleting of external checkpoints
Summary: [RFE] Add support for reverting and deleting of external checkpoints
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libvirt
Version: 6.4
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Peter Krempa
QA Contact: Virtualization Bugs
URL:
Whiteboard:
: 873589 (view as bug list)
Depends On:
Blocks: 880565 907809 1011600
TreeView+ depends on / blocked
 
Reported: 2012-11-05 13:48 UTC by Peter Krempa
Modified: 2023-09-14 01:38 UTC (History)
10 users (show)

Fixed In Version:
Doc Type: Enhancement
Doc Text:
Clone Of:
: 907809 (view as bug list)
Environment:
Last Closed: 2014-04-04 20:59:58 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Peter Krempa 2012-11-05 13:48:59 UTC 
Description of problem:
Users are able to create external checkpoints with libvirt but the implementation of reverting and deleting them is lacking.

Version-Release number of selected component (if applicable):
libvirt-0.10.2-7.el6

Additional info:
Code submitted for review upsteram:
http://www.redhat.com/archives/libvir-list/2012-October/msg01290.html
Comment 3 Eric Blake 2012-11-05 15:03:45 UTC 
It is possible (but painful) to manually revert to external checkpoints by use of a series of 'qemu-img', 'virsh edit', and 'virsh restore' commands.  The features proposed in the upstream patch series will make it much easier to do with a single virsh command rather than having to go through a sequence including external, but if it is deemed too late and too risky for 6.4 to pull in the extra code, then we can use the manual procedures as the mitigation.
Comment 5 Huang Wenlong 2012-11-06 07:19:24 UTC 
Hi,Peter

I found there is not a bug to trace disk snapshot revert , dose this bug can do that ? or file a new bug to do that ? thanks

Wenlong
Comment 6 Peter Krempa 2012-11-06 08:53:40 UTC 
Hi Huang,
please file a new one, this is a feature request.
Comment 7 Peter Krempa 2012-11-06 10:46:28 UTC 
*** Bug 873589 has been marked as a duplicate of this bug. ***
Comment 8 Peter Krempa 2012-11-08 10:30:29 UTC 
First bit of the functionality committed upstream:

commit 9b5a514b31f0a092cff5402e37d06d1c31f1b992
Author: Peter Krempa <pkrempa>
Date:   Mon Oct 15 17:35:24 2012 +0200

    snapshot: qemu: Add support for external inactive snapshots
    
    This patch adds support for external disk snapshots of inactive domains.
    The snapshot is created by calling using qemu-img by calling:
    
     qemu-img create -f format_of_snapshot -o
     backing_file=/path/to/src,backing_fmt=format_of_backing_image
     /path/to/snapshot
    
    in case the backing image format is known or probing is allowed and
    otherwise:
    
     qemu-img create -f format_of_snapshot -o  backing_file=/path/to/src
     /path/to/snapshot
    
    on each of the disks selected for snapshotting. This patch also modifies
    the snapshot preparing function to support creating external snapshots
    and to sanitize arguments. For now the user isn't able to mix external
    and internal snapshots but this restriction might be lifted in the
    future.
Comment 12 Peter Krempa 2013-11-22 09:21:40 UTC 
*** Bug 1033449 has been marked as a duplicate of this bug. ***
Comment 14 RHEL Program Management 2014-04-04 20:59:58 UTC 
Development Management has reviewed and declined this request.
You may appeal this decision by reopening this request.
Comment 15 Eric Blake 2014-07-30 13:19:58 UTC 
*** Bug 1124854 has been marked as a duplicate of this bug. ***
Comment 16 Red Hat Bugzilla 2023-09-14 01:38:30 UTC 
The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days
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