Thanks, yes that is very clear. Also the link is useful. Charles
On Thu, 9 Sep 2010 23:39:07 +1200 "Mark Cranness" <[email protected]> wrote: > Charles Stroom wrote: > > No, I have deleted (==merged) with the GUI all snapshots and there > > is no Snapshot anymore in the GUI, nor a {....).vdi file in the > > Snapshot directory. > > > > If I understand correctly what you say then all modifications I do > > in the guest will now be included directly into the base > > ~/vbox/win2k.vdi file. > > Yes. > > > In the Snaphots directory is only a {..}.sav > > file (because I "close->save current state" I suppose). > > Yes, the .sav is for the "save current state". > > > If I would make a snapshot, would VirtualBox then still do the same > > to the snapshot. That is, update the snapshot every time I make a > > modification in the guest. I thought it would make a Snaphot > > (a .vdi file with all mods incorporated) > > No, see below. > > > ... and then make all further > > modifications as a differencing .vdi file. > > If you have no snapshots yet and take a snapshot, then the logical > "snapshot" of the VM's hard disk *is* the base VDI file, now frozen. > There is not a separate VDI created to store the old disk state; that > is stored in the now frozen base vdi. The differencing VDI created is > to store future CHANGES going forward *after* the snapshot. > > Again: a snaphot is made by freezing the base VDI and all current > differencing disks, and then also creating a new differencing disk > for any future changes. > > There is an old link: > http://forum.virtualbox.org/viewtopic.php?f=24&t=8046 > (scroll down to "Q. So what about snapshots? How do they work?" ... > but NOTE this link does not make a clear enough distinction between > "snapshots" and "diffencing disks", which can cause confusion.) > > Mark > > > ------------------------------------------------------------------------------ > This SF.net Dev2Dev email is sponsored by: > > Show off your parallel programming skills. > Enter the Intel(R) Threading Challenge 2010. > http://p.sf.net/sfu/intel-thread-sfd > _______________________________________________ > VBox-users-community mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/vbox-users-community -- Charles Stroom email: charles at no-spam.stremen.xs4all.nl (remove the "no-spam.") ------------------------------------------------------------------------------ This SF.net Dev2Dev email is sponsored by: Show off your parallel programming skills. Enter the Intel(R) Threading Challenge 2010. http://p.sf.net/sfu/intel-thread-sfd _______________________________________________ VBox-users-community mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/vbox-users-community
