Can we have a Delta-DVD release

[Andre Robatino]

Jonathan Steffan wrote:
> James Gallagher wrote:
>> Even if the image size is kept below 4.3GB for a single disk, the delta download would be welcomed by many.
> 
> Look into makedeltaiso and applydeltaiso. You end up needing the
> original (previous release/target) and the delta. This is only useful if
> the old ISO is left around and you want to end up with a full ISO on the
> other side. The size of a delta ISO between Fedora releases might be
> larger then expected. It would be interesting to see some data on this
> matter.

One can use a script such as the rawread script at

http://www.troubleshooters.com/linux/coasterless.htm

to read an ISO off an optical disc.  So the original ISO(s) can be read 
off the original install media, if one has those.  Or one can just make 
a point of keeping the original ISO(s) on the HD after installing.  And 
even if the size of the deltaiso was 60% or 70% of the full ISO, it 
would still be worthwhile to many.
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