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Re: cdrecord and BD-RE: writes at average 1x instead of 2x



Giulio Orsero <giulioo@gmail.com> wrote:

> Linux 2.4.33, cdrecord 2.01.01a38, burner and media details at the end.
> PC is P4 2.4GHz, 1GB RAM doing nothing but burning test.
>
> Burner can write BD-RE at 2x CLV
> Media is 1x-2x (I'm waiting for new/different brand media in a few days)
> I understand BD-RE 1x = 4.5MB  (1x Blu-ray being about 3 times 1x DVD, or at
> least Wikipedia says DVD 1x = 1.35MB/s, Blu-ray 1x = 4.5MB/s, decimal MBs).
>
> I formatted the BD-RE using dvd+rw-format, then I used cdrecord to write
> using the following options:
> 	-data padsize=512s -v driveropts=burnfree -sao
> ISO image is on disk (no piping from mkisofs)
>
> I saw that during the writes the cdrecord speed indicator was switching
> continuously every fraction of a second between 0.7x and 2.2x.

Thank you for the information, I'll see and test.......

Jörg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
       js@cs.tu-berlin.de                (uni)  
       schilling@fokus.fraunhofer.de     (work) Blog: http://schily.blogspot.com/
 URL:  http://cdrecord.berlios.de/old/private/ ftp://ftp.berlios.de/pub/schily


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