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#1 (**permalink**) 01-12-2008, 05:12 AM

How can I over-write an updated files of a session over an old session
TO avoid full erase of cdw media.

#2 (**permalink**) 01-12-2008, 05:12 AM

If you are using UDF formats then these work just like a large floppy or a
painfully slow hard drive.

If you are using multisession ISO formats, CDRW discs behave exactly as
though you were using write once discs. There is no way to partially erase.
It's all or nothing.

--
<>>< ><<> ><<>
Graham Mayor
<>>< ><<> ><<>

ehab wrote:
> How can I over-write an updated files of a session over an old session
> TO avoid full erase of cdw media.

#3 (**permalink**) 01-12-2008, 05:13 AM

OK, but you are splitting hairs - most people think of DirectCD/InCD when
discussing UDF formats. The essential point was the bit you snipped - that
what was required was not possible.

--
<>>< ><<> ><<>
Graham Mayor
<>>< ><<> ><<>

Joerg Schilling wrote:
> In article <bfu5nr$ir372$1@ID-88807.news.uni-berlin.de>,
> Graham Mayor <gmayor@noonehome.com> wrote:
>> If you are using UDF formats then these work just like a large
>> floppy or a painfully slow hard drive.
>
> Not correct, not all UDF filesystems are marked appendable.

#4 (**permalink**) 01-12-2008, 05:13 AM

As a conclusion could any body tell me a solution of updating an
existing session already written to a CD. Please do now make me use
new sessions . OVERWRITE the same session without any kind of earae to
the cd .

#5 (**permalink**) 01-12-2008, 05:13 AM

ehab wrote:
>
> As a conclusion could any body tell me a solution of updating an
> existing session already written to a CD. Please do now make me use
> new sessions . OVERWRITE the same session without any kind of earae to
> the cd .

Didn't the README.multi help you?

==========================
From: (Joerg Schilling)
Subject: Re: multiple write to CD
Date: 7/18/03

ehab wrote:
>I need to add un update to a previuos session of files written to a Cd
>unsing cdrecord : could you please help me find the syntax ? It is not
>opviuos what option should be used from the cdrecord man page .

The file README.multi contains all information you need.
==========================

Joerg also gave this link in response to one of your posts:
http://www.fokus.fhg.de/research/cc/.../problems.html

#6 (**permalink**) 01-12-2008, 05:13 AM

This is not possible.

--
<>>< ><<> ><<>
Graham Mayor
<>>< ><<> ><<>

ehab wrote:
> As a conclusion could any body tell me a solution of updating an
> existing session already written to a CD. Please do now make me use
> new sessions . OVERWRITE the same session without any kind of earae to
> the cd .

#7 (**permalink**) 01-12-2008, 05:13 AM

In article <bfuafv$ipnl3$1@ID-88807.news.uni-berlin.de>,
Graham Mayor <gmayor@noonehome.com> wrote:
>OK, but you are splitting hairs - most people think of DirectCD/InCD when
>discussing UDF formats. The essential point was the bit you snipped - that
>what was required was not possible.

It is not splitting hairs pointing to a common missunderstaning.
Mkisofs which is partr of cdrtools always writes non-appendable UDF filesystems.

>Joerg Schilling wrote:
>> In article <bfu5nr$ir372$1@ID-88807.news.uni-berlin.de>,
>> Graham Mayor <gmayor@noonehome.com> wrote:
>>> If you are using UDF formats then these work just like a large
>>> floppy or a painfully slow hard drive.
>>
>> Not correct, not all UDF filesystems are marked appendable.

--
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
js@cs.tu-berlin.de (uni) If you don't have iso-8859-1
schilling@fokus.fraunhofer.de (work) chars I am J"org Schilling
URL: http://www.fokus.fraunhofer.de/usr/schilling ftp://ftp.berlios.de/pub/schily

#8 (**permalink**) 01-12-2008, 05:14 AM

How can I use UDF filesystems to make my cd's appendable ?

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writing cdrtools session over an existing session