Re: Writing to DVD+RW

In <SKfw30zmCGmZ-pn2-4HdE9SxcncXo@xxxxxxxxxxxxx>, "Doug Bissett" <doug.bissett!SPAM@xxxxxxxxxxxxx> writes:
>On Sat, 19 Nov 2005 06:05:12 UTC, johnsuth@xxxxxxxxxxxxx wrote:
>
>>
>> With the 2004 UDF.IFS loaded, I tried copying folders of data from the network
>> to a DVD+RW. I found that:-
>>
>> 1) "DVD-Tools" was unable to format the disc, but format f: /FS:UDF was
>> successful. Chkdsk confirmed the file system is UDF.
>>
>> 2) Write speed was about 0.01x.
>>
>> 3) Folders containing filenames longer than 8.3 were refused. The message was
>> SYS0111 The file name is too long (exceeds 255 characters).
>>
>> How do I persuade it to write long file names at 4x speed?
>
>First, remove the "/Q" from the UDF.IFS line, so you can verify that
>it really is at the 2.15 version (it should be, with that date on it).
>
>Next, make sure your drive is at the latest firmware update.
>
>Then, you likely don't have an 8.3 file name limit, you likely have a
><drive>:\path\path\filename problem. UDF doesn't support the full path
>and file name length, that the regular hard drive support will handle,
>but I am not exactly sure what the limit is (I would think, 255
>characters, by the error that you quote).
>
>I just got a new system, with my first DVD writer in it. I am
>learning, that there are differences between DVD+R(W), and DVD-R(W)
>media, and the DVD-R(W) media seems to be better supported in OS/2 (at
>least by DVDDAO). Meaning, that I can create DVD disks with DVD-R(W),
>and not with DVD+RW media(I haven't tried DVD+R media).
>
>I have not had a problem with getting UDF to work, with either (RW)
>type, at the full, rated, speed, but DVDDAO just doesn't like the
>DVD+RW media, for some reason (perhaps, I am doing something wrong).


I think 2.1.4 is the latest. It has been purged from SWC.

I tried copying individual files with long names from the folders that would not
copy as a whole, and there was no problem. Clearly the error message was a red
herring.

I tried xcopy and it copied 3 files before issuing sys1693 (the system cannot
create the directory).

When I created the directory structure on the DVD and copied only files, it said
the EAs were being discarded but the files copied at a reasonable speed.

I tried a DVD-RW and "DVD-Tools" claimed to have successfully formatted it, but
chkdsk said otherwise. A system format was necessary.

The same problem with creating directories on the fly whilst copying seems to
exist. This makes DVD unsuitable for backup media.



.

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