Re: Writing to DVD+RW
- From: "Doug Bissett" <doug.bissett!SPAM@xxxxxxxxxxxxx>
- Date: Mon, 21 Nov 2005 00:29:13 GMT
On Sun, 20 Nov 2005 07:12:50 UTC, johnsuth@xxxxxxxxxxxxx wrote:
> 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.
No, 2.15 is available, at least from eComStation, and they get their
updates for that stuff from Passport Advantage (which has replaced
SWC, along time ago).
> 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.
If you are using UDF 2.1.4, all bets are off. That thing was
hopeless...
> 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.
That is another problem with 2.1.4. It can only handle up to 32K EAs,
while 64K is the normal maximum.
> I tried a DVD-RW and "DVD-Tools" claimed to have successfully formatted it, but
> chkdsk said otherwise. A system format was necessary.
I think that is a different format. That is for the normal, non-UDF,
format of a DVD.
> The same problem with creating directories on the fly whilst copying seems to
> exist. This makes DVD unsuitable for backup media.
For backups, you really do need to use a program that will compress
the data, into one (or multiple) large file(s). I have been
experimenting with ARJ, but it seems to want to quit after the 2 GiB
mark on the DVD (using UDF format). If I create 4 GiB output file, on
my hard disk, and then do a simple, command line, copy, it works. For
some reason, the WPS refuses to allow copying, even small files, to a
DVD, formatted as UDF.
The ARJ that I use, is:
> http://hobbes.nmsu.edu/pub/os2/util/archiver/arj2_310.exe
Hope this helps...
--
>From the eComStation 1.2 of Doug Bissett
doug dot bissett at attglobal dot net
(Please make the obvious changes, to e-mail me)
.
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