by Daniel N » Sun, 31 Dec 1899 09:00:00
Then I back up the document on a recordable CD (also Maxell), I have no
problem.
Does anyone know why I can mount a recordable CD but not a rewritable
CD?
by brian moo » Sun, 31 Dec 1899 09:00:00
Because some CD drives don't like RW media?Quote:> I back up some document at work on a Maxell rewritable CD. I am able to
> read there at work. But I cannot mount it on my linux box at home. It
> complains that
> "no medium is found"
> I have tried both Juliet and iso9660 filesystem.
> Then I back up the document on a recordable CD (also Maxell), I have no
> problem.
> Does anyone know why I can mount a recordable CD but not a rewritable
> CD?
From the CDR FAQ at http://www.fadden.com/cdrfaq/:
These discs [CDRW] are not writable by standard CD-R drives, nor
readable by most older CD readers (the reflectivity of CD-RW is
far below CD and CD-R, so an Automatic Gain Control circuit is
needed to compensate). Most new CD-ROM drives do support CD-RW
media, but not all them will read CD-RW discs at full speed.
In short, it's most likely the fault of the drive you're trying to read
on. Replace it with a newer drive is probably your best bet.
--
Brian Moore | Of course vi is God's editor.
Sysadmin, C/Perl Hacker | If He used Emacs, He'd still be waiting
Usenet Vandal | for it to load on the seventh day.
Netscum, Bane of Elves.
by Mark Bratche » Sun, 31 Dec 1899 09:00:00
> I back up some document at work on a Maxell rewritable CD. I am able to
> read there at work. But I cannot mount it on my linux box at home. It
> complains that
> "no medium is found"
> I have tried both Juliet and iso9660 filesystem.
> Then I back up the document on a recordable CD (also Maxell), I have no
> problem.
> Does anyone know why I can mount a recordable CD but not a rewritable
> CD?
If you want a disk to be universally transportable, use CD-R media.
--
Mark Bratcher
---------------------------------------------------------
Escape from Microsoft's proprietary tentacles. Use Linux!
1. cd rewritable problem - scsi timeout
Hi,
I'm having trouble with the following configuration:
ibm pc i586
16 mb ram + 90k swap disk
adaptec scsi aha 2940 ultra rev. c
yamaha cd-r cdr400t rev 1.0i on scsi bus seagate st3255on (2gb) on scsi
bus
cdrecord-1.5
slackware 2.0.30
We want to use this pc as a cd-r unit, and we had some trouble setting
up the scsi card and the cdw; now, when I create a cdrom (mkisofs and
then cdrecord), it happens to write the data and then it 'hangs' for a
long time (no 'fixating' message); eventually, I see a 'scsi
timeout/reset' message on the screen and the cd-r unit releases the
disk; at this point, I can mount the disk (there's a toc on it) or I
have to fixate it; after that, it 'usually' is fine
Sometimes we need to power off/on the pc to have the cdr- unit working
again; we configured the host adapter to be #0 on the scsi bus, and it
is auto-terminated
At least one time it created a cdrom and after that it was unreadable
and unfixable
I don't see any error message in the system files
We also have a DEC Alpha Server 1000, running DEC Unix 4.0a but I can
see 'cdrecord' doesn't support it; do you know if a simple 'dd' would be
enough to copy an iso9660 image to cdrom ? I guess not, but I'm just
asking; we don't have any sparc/solaris box around, so either Linux or
DEC Unix are our way; otherwise, I have to resolve to commercial sw for
DEC
Does anybody suggest installing another kernel/distrib (e.g. suse ?)
Please reply by e-mail if possible
Thanks in advance for any help,
Andrea
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