On 13-04-06 08:36 AM, Stephan von Krawczynski wrote: > Hi all, > > I feel a need to be more precise on the true nature of the question. My > intention is not only to have a consistent vdi image, but also to have a > consistent backup of the virtual guest. I talked to a friend using VM*are and > how he is taking working backups. Basically he does this: > > 1. take a snapshot of the guest > 2. Backup the snapshot and the virtual drive files > 3. delete the snapshot > > I checked that with the vbox docs, and to me it looks like that should work > out here, too. Sure you get a partially broken differential vdi image. But > since you go back to the snapshot on restore where the differential image > should be thrown away anyway there should be no negative effect. And the guest > snapshot (machine state) does not change which means it should be no problem > to backup during runtime. > Am I missing something?
I would say that the vbox snapshots are not the path you want to take for backups. VBox snapshots are great when experimenting with software, or creating a library using a base images. If you do a VBox snapshot online, then you also have a .sav file, and you have to wait for the save/resume to complete before it can come back online. If you can afford downtime, then I would power off the VM to get a consistent state of your data. Other people may be able to chime in here, but if you looking at using it for backups, then pausing the machine, and using LVM may be something that works, because after you take the backup, you delete the lvm snapshot. You will need to delete the backup though because LVM doesn't scale well for snapshots. In the past I used LVM and raw disks to do this. Geoff ------------------------------------------------------------------------------ Minimize network downtime and maximize team effectiveness. Reduce network management and security costs.Learn how to hire the most talented Cisco Certified professionals. Visit the Employer Resources Portal http://www.cisco.com/web/learning/employer_resources/index.html _______________________________________________ VBox-users-community mailing list VBox-users-community@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/vbox-users-community _______________________________________________ Unsubscribe: mailto:vbox-users-community-requ...@lists.sourceforge.net?subject=unsubscribe
