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Re: Multi-part disk images.



On Feb 19, 2:33 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> Payton Byrd wrote:
> > On Feb 19, 7:46 am, schmidtd <schmi...@my-deja.com> wrote:
>
> >>On Feb 19, 2:53 am, Payton Byrd <plb...@gmail.com> wrote:
>
> >>>Are there any disk image formats for the A2 that support multiple
> >>>files?  I want to be able to create a disk image of a 32MB partition
> >>>directly on the A2 and store the disk image sections on multiple
> >>>media.  I know removable media and CiderPress make this redundant, but
> >>>I still think it's a cool idea.  Plus, you could backup a partition to
> >>>40 800k floppies, which is somewhat realistic. :)
>
> >>Do you mean like Shrinkit?http://stason.org/TULARC/pc/apple2/faq/10-002-What-are-ShrinkIt-SHK-f...
>
> > ShrinkIt isn't what I'm looking for.  I want to make sector-by-sector
> > copies of the drives, not make a loose file archive.
>
> Then the block copy will only be usable if completely restored
> to a contiguous volume--much less useful than a "browseable"
> archive of files.  Restoring will take as long as backing up.

Not only that, but keep in mind that a file in ProDOS can be at most
32767 blocks (16meg-ish) in size, if you ever intended to store/
reconstitute it back in the native file system in its entirety
somewhere.