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Snapshot deleted VM will not restart
Posted: 6. Feb 2016, 03:55
by robocop
VirtualBox 5.0.14 Windows Host
Vm with dynamic disk I mistakenly deleted a snapshot and vm and 'locked and does not start there' way to recover and or rebuild the disk?
I was trying to delete a series of old snapshots to free disk space, there are several.
Suggestions?
Thank you
Update - Snapshot deleted VM will not restart
Posted: 6. Feb 2016, 04:22
by robocop
Update -
I was able to start an old snapshot, losing the data after the snapshot deleted as per attached picture.
Attached img error when I try to restart the last snapshot.
Thanks for your help.
Re: Snapshot deleted VM will not restart
Posted: 6. Feb 2016, 12:05
by mpack
A snapshot chain is a series of differences from the previous state. If you delete the state <N> file using the host OS then all states >N are lost, permanently. Unless you have a backup of course.
Re: Snapshot deleted VM will not restart
Posted: 6. Feb 2016, 14:17
by robocop
mpack thanks for the reply
I know I did a stupid thing
thanks for the reply
robocop
Re: Snapshot deleted VM will not restart
Posted: 6. Feb 2016, 15:41
by mpack
For future reference (and other readers):
- Never use the host OS to delete snapshot files. Always use the VirtualBox VM manager window.
- Better yet, avoid snapshots altogether. Yes, they are quick to create than a full backup, but they do NOT save you disk space and they are NOT substitutes for backups, as the above episode shows.