[vdr] Re: HD speed requirements

[Rene Bartsch <ml@bartschnet.de>]

Am Sam, 2003-06-21 um 23.02 schrieb Steffen Barszus:

> >
> 
> I have a samsung 120 GB disc bought just a few days ago. The disc was
> really 
> cheap (98 €) is 5400 rpm, 2MB cache. Seems to be very silent. (Nearly
> no 
> head/seeking noise) I guess its a bit early to say buy this, but for
> this 
> price I guess you can't make a lot wrong. I guess 3 recordings on the
> same 
> time == 3x4 = 12 MB per second should every disk catch up with. 
> 

I think you mixed up Bits and Bytes. A VDR-recording has about 4 MBit/s
= 0.5 MByte/s.

As current disks reach 15 to 25 MByte/s you could theoretically do up to
40 recordings. So with seeking, ... you should be save with 10 to 20
recordings/playbacks at the same time (You should also consider other
processes accessing the disk, but this could be catched by much RAM for
caching).

Rene



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