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CD-RW's and the 1,000 time write limit

 
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Sm704

External


Since: Mar 13, 2005
Posts: 2



(Msg. 1) Posted: Mon May 16, 2005 6:13 pm
Post subject: CD-RW's and the 1,000 time write limit
Archived from groups: comp>sys>ibm>pc>hardware>cd-rom (more info?)

How is each rewrite counted? What if I am using a packet writing
utility such as Nero's InCD or Roxio's DirectCD? Would each time I add
and delete files from the CD-RW using those utilities be counted as a
rewrite?

For example, let's say I was using a CD-RW packet writing utility such
as those mentioned above, and I added 500 files 1 at a time to the
CD-RW. Then let's say after I wrote those files I decided to delete all
500 of them 1 at a time. Would that be considered 1000 rewrites, making
the CD-RW past it's write limit?

 >> Stay informed about: CD-RW's and the 1,000 time write limit 
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On Holidays

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Since: May 14, 2005
Posts: 43



(Msg. 2) Posted: Wed May 18, 2005 3:55 pm
Post subject: Re: CD-RW's and the 1,000 time write limit [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Its NOT a limt man. The disc just can take so many rewrites and when
its done its done Smile

Sp,e discs might get hundreds more rewites some half as many. When you
get errors writeint o tit its pretty much dead disc time. If at all it
allows you do copy to it ??

I have no idea as i have nver had a RW fail on me. Though i dont use
them a lot. Well not enough to wear one out as i use somthin glike 10
or so and they woudl take 55 thousand writes Smile

See ya.



On 16 May 2005 18:13:30 -0700, "Sm704" <sm7040 RemoveThis @hotmail.com> wrote:

 >How is each rewrite counted? What if I am using a packet writing
 >utility such as Nero's InCD or Roxio's DirectCD? Would each time I add
 >and delete files from the CD-RW using those utilities be counted as a
 >rewrite?
 >
 >For example, let's say I was using a CD-RW packet writing utility such
 >as those mentioned above, and I added 500 files 1 at a time to the
 >CD-RW. Then let's say after I wrote those files I decided to delete all
 >500 of them 1 at a time. Would that be considered 1000 rewrites, making
 >the CD-RW past it's write limit?<!-- ~MESSAGE_AFTER~ -->

 >> Stay informed about: CD-RW's and the 1,000 time write limit 
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smh

External


Since: Feb 15, 2004
Posts: 48



(Msg. 3) Posted: Tue May 31, 2005 1:23 am
Post subject: Re: CD-RW's and the 1,000 time write limit [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

.. --------------------------------------
Roxio is the Firestone of CDR software
--------------------------------------

Sm704 wrote:
 >
 > How is each rewrite counted? What if I am using a packet writing
 > utility such as Nero's InCD or Roxio's DirectCD? Would each time I add
 > and delete files from the CD-RW using those utilities be counted as a
 > rewrite?

That's 1000 rewrites for a particular spot. Here's DirectCD blurb about
their "sparing" technique:

<a style='text-decoration: underline;' href="http://www.roxio.com/en/support/dcdwin/dcdwinfaqs.html" target="_blank">http://www.roxio.com/en/support/dcdwin/dcdwinfaqs.html</a>

Q. I know that CD-RW discs are good for approximately 1000 formats or
erasures. Since DirectCD 2.x will let me delete individual files and
recover that space on the disc for immediate use (random erase) does
that mean that the disc is only good for up to 1000 file deletes? Or is
it 1000 full formats of the entire disc?

A. DirectCD has built-in features to increase the longevity of your
CD-RW media. Any particular spot on on a CD-RW disc can be erased and
rewritten about 1000 times (soon to be improved to 10,000). After that,
that particular spot becomes unusable. However, DirectCD is designed not
always to write in the first available space on the disc, so you won't
be erasing and rewriting to the same physical location over and over. If
a spot should get "burned out", DirectCD can mark it "unusable" and work
around it (much the way bad sectors are managed on a hard disk). In
practical terms, you will probably never wear out a CD-RW disc.

But despite that a big caution is called for with DirectCD.

=====================================
Mike Richter & "Lethal for archiving"
=====================================

( The following applies only to )
( DirectCD and Drag-to-Disc )

======================
From: Mike Richter (cRoxio Shit)
Date: 10/15/01
Subject: File Integrity Errors - DirectCD Bug?

Combining the flaky UDF fixed-length packets with
the tendency of erasables (particularly HS) to forget
is LETHAL for archiving.
=======================<!-- ~MESSAGE_AFTER~ -->
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smh

External


Since: Feb 15, 2004
Posts: 48



(Msg. 4) Posted: Tue May 31, 2005 1:42 am
Post subject: Re: CD-RW's and the 1,000 time write limit (directcd/sparing)(i) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

.. --------------------------------------
Mike Richter, were you born with
"Scam Artist" emblazoned on your face?
--------------------------------------

Sm704 wrote:
 >
 > How is each rewrite counted? What if I am using a packet writing
 > utility such as Nero's InCD or Roxio's DirectCD? Would each time I add
 > and delete files from the CD-RW using those utilities be counted as a
 > rewrite?

That's 1000 rewrites for a particular spot. But DirectCD has bugs and
this is how cRoxio Shit weaseled out the bugs:

=============================================
Mike Richter is a LIAR (directcd/sparing) (i)
=============================================

============================================================
From: smh
Subject: Does anyone rely on DirectCD for multi-session backups?
Date: 2/7/02

Mike Richter (Roxio Shit) splattered:
  >
  > When you remove a fixed-length packet disc after having written
  > anything to it, the DIRECTORY information is written back from
  > RAM. That means that at least portions of the disc are "scrubbed"
  > - rewritten many times. The disc is supposed to tolerate 1000
  > cycles, but in fact read accuracy goes down continuously with
  > erase cycles and the 1000 number seems absurdly optimistic from
  > the experience of most.

If that's the case, why does DirectCD even bother to use SPARING
technique, Mikey?

And if that's the case, how could cRoxio claim this?

DirectCD for Windows Technical FAQs:

"In practical terms, you will probably
never wear out a CD-RW disc."

===========================================================<!-- ~MESSAGE_AFTER~ -->
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