[Tfug] AV drives

[Bexley Hall]

Hi, Jeff,

--- Jeffry Johnston <tfug at kidsquid.com> wrote:

> This is what Wikipedia has to say:
> 
> http://en.wikipedia.org/wiki/A/V_drive

Ha!  Scant more than what *I* said!  :<  Though
they don't mention the "bad data early" attribute
(which is most significant IMO).

Thanks, I'll have to poke around.  Or, set up a
test bed and *watch* to see what the drive reports.

--don

> On Fri, Mar 7, 2008 at 11:38 AM, Bexley Hall
> <bexley401 at yahoo.com> wrote:
> > Hi,
> >
> >  Years ago, A/V drives were essentially regular
> >  drives with the periodic recalibration less
> >  frequent (since that effectively busies out the
> >  drive while it is in progress) and less
> aggressive
> >  error correction (i.e., better to return "bad"
> >  data EARLY than "good" data *late*!)
> >
> >  These issues made "regular" drives problematic
> >  for streaming data at high continuous rates
> >  without introducing "blemishes" into the video
> >  stream, etc.
> >
> >  I'm not sure how (if at all) this may have
> >  changed in recent times  :<
> >
> >  So, the question is, how suitable are A/V drives
> >  for use as "regular" drives?  I.e., *do* they
> still
> >  report "bad" data early (and, do they do so in a
> way
> >  that the OS can attempt to recover the data?)
> >
> >  Thx,
> >  --don
> >
> >
> >      
>
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