>From [EMAIL PROTECTED] Thu May 16 22:51:26 2002

>DVD+RW:

>Both the  HP 100i and 200i will Write and Read DVD+RW.

> We used growisofs which uses a formating tool (dvd+rw-format) and
> mkisofs to create file systems on the disk. The output from mkisofs
> goes directly to the raw device.  cdrecord is not used.

I plan to add DVD+RW support to cdrecord, but it is a matter of time.
I received my first Sample short before christmas and unfortunately it
died before I did go into christmas holiday....
A second unit arrived in march and I did massive tests during easter.

The dvd+r format and grow tools are a hack and work because people know
that they are for DVD+RW only. It is a lot more work to achive smooth 
integration into cdrecord.

> Most of our PC DVD-R's will read the DVD+RW disk. Laptop drives would
> not.  Data can be added to the disks using 'growisofs'', but deleting
> requires a re-format, and re-writing.

I did not yet test compatibility, but i heard that no Toshiba drive
will read these disks because they are not approved by the DVD-Forum.


>DVD+R:

>ONLY the 200i will Write and Read DVD+R.

> We used mkisofs and cdrecord, much like we do for CD+RW.  The 200i is
> the only drive we can get to read the disks. No other drive we have
> (including the 100i) can read them.

I don't understand. Do you mean that you could write a DVD+R with cdrecord?
I am still waiting for my sample drive...


>My personal conclusions: 

>DVD+RW: Useful. Drives are inexpensive. Media costs are medium.
>        Requires similar kinds of planning and scripting as multi-session
>        CDR's . Are usable on other drives.

>DVD+R: Not currently useful. Drives are inexpensive, but only one is out.
>       Few if any DVD drives can read these disks. 

Bad: you cannot test DVD+R behavior by using a DVD+RW as it perfectly works
with CD-R/RW and DVD-R/RW



J�rg

 EMail:[EMAIL PROTECTED] (home) J�rg Schilling D-13353 Berlin
       [EMAIL PROTECTED]               (uni)  If you don't have iso-8859-1
       [EMAIL PROTECTED]           (work) chars I am J"org Schilling
 URL:  http://www.fokus.gmd.de/usr/schilling   ftp://ftp.fokus.gmd.de/pub/unix


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