Unable to auto mount 2 ATA cdrw drives

Asked by Doug

Hi,

I am relatively new to Ubuntu and installed the -i386 server version of Ubuntu 7.04, and then installed the gnome desktop. I have two nearly identical TDK CDRW drives (52x & 48x) on the secondary IDE channel as master and slave drives. They are seen in the bios correctly. They both work, as I installed Ubuntu with the master, and the slave worked earlier. Now, one of them is being seen by Nautilus, but unable to mount. I receive the following error message:
mount: special device /dev/scd0 does not exist

My etc/fstab file output is:

# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/sda1
UUID=d4d68938-848e-43a5-9267-5fdf76e24312 / ext3 defaults,errors=remount-ro 0 1
# /dev/sda5
UUID=5e5ec608-f05f-49a0-be0d-3aadfe4c6895 none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto 0 0

I suspect that I need to add a lin in this file for the other cdrw? I am not sure how to do that without breaking it. Thanks in advance!

Doug

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Revision history for this message
Doug (dschrock) said :
#1

Oh. Sorry to leave out some things there. I am using an older Compaq EVO d500 minitower P4 1.5 ghz with 512 mb of Ram and a 32mb Nividia Vanta video card. At present I have two 20 gig hds as master and slave on IDE 1.
One with Ubuntu, formated in ext3 and one that is an ntfs drive that I haven't erased yet. No raid array involved.

Thanks.

Doug

Revision history for this message
Ali KIBICI (alinux-the-master) said :
#2

change the line
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0
as this:
/dev/hdc /media/cdrom0 udf,iso9660 user,noauto 0 0

and add a line for second CDROM drive

/dev/hdd /media/cdrom1 udf,iso9660 user,noauto 0 0

Revision history for this message
Doug (dschrock) said :
#3

Hi Ali!

Thanks for your help!
Both cdrws are showing up in places computer, but they are unable to mount.
The errors are:
cd rom1:

mount: special device /dev/hdc does not exist

cd rom2:

mount: mount point /media/cdrom1 does not exist

Any ideas?
Thanks!

Doug

Revision history for this message
Doug (dschrock) said :
#4

Oh, I forgot to submit the changed etc/fstab...

# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/sda1
UUID=d4d68938-848e-43a5-9267-5fdf76e24312 / ext3 defaults,errors=remount-ro 0 1
# /dev/sda5
UUID=5e5ec608-f05f-49a0-be0d-3aadfe4c6895 none swap sw 0 0
/dev/hdc /media/cdrom0 udf,iso9660 user,noauto 0 0
/dev/hdd /media/cdrom1 udf,iso9660 user,noauto 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto 0 0

Maybe I didn't do something correct....

Doug

Revision history for this message
Pedro Fragoso (ember) said :
#5

Try doing in the Terminal

"ls -la /dev/cdrom*" to find out in which dev is pointed.

In my case is scd0 so i have in /etc/fstab the following:

/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0

Hope this helps.

Revision history for this message
Doug (dschrock) said :
#6

Thanks for your help Pedro.
That doesn't work either, at it says "no such file or directory". I assume that is a big part of the problem, but, I don't know where that file is supposed to reside, as, I don't know the OS well enough....:(

Doug

Revision history for this message
Pedro Fragoso (ember) said :
#7

Does /media/cdrom0 exist?

Revision history for this message
Doug (dschrock) said :
#8

I am not sure. Both drives are shwing up in Nautilus, just can't mount them. I apologize in advance for my cluelessness, but this is the only way I am going to learn. If it is too much troubleshooting, I can reload the Feisty gnome desktop distro and then download the lamp server parts of it. I don't have anything on there yet that I need to keep. Thanks for your help, though!DWS> To: <email address hidden>> From: <email address hidden>> Subject: Re: [Question #18909]: Unable to auto mount 2 ATA cdrw drives> Date: Fri, 30 Nov 2007 01:07:57 +0000> > Your question #18909 on nautilus in ubuntu changed:> https://answers.edge.launchpad.net/ubuntu/+source/nautilus/+question/18909> > Status: Open => Answered> > Pedro Fragoso proposed the following answer:> Does /media/cdrom0 exist?> > -- > If this answers your question, please go to the following page to let us> know that it is solved:> https://answers.edge.launchpad.net/ubuntu/+source/nautilus/+question/18909/+confirm?answer_id=6> > If you still need help, you can reply to this email or go to the> following page to enter your feedback:> https://answers.edge.launchpad.net/ubuntu/+source/nautilus/+question/18909> > You received this question notification because you are a direct> subscriber of the questio
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Revision history for this message
Pedro Fragoso (ember) said :
#9

In your Terminal what's the output of "mount /dev/scd0 /media/cdrom0"

Revision history for this message
Ali KIBICI (alinux-the-master) said :
#10

Hi Doug,
you have said:

Both cdrws are showing up in places computer, but they are unable to mount.
The errors are:
cd rom1:

mount: special device /dev/hdc does not exist

cd rom2:

mount: mount point /media/cdrom1 does not exist

Last line say you that you have a device in /dev/hdd but it has no mount point. Create a directory /media/cdrom1 then try to mount it again. you can do this step by step (but insert some cds to drives):

1) open a terminal
2) cd /media
3) sudo mkdir cdrom1
4) sudo mount /dev/hdd /media/cdrom

If it mounts, look which drive it mounts (your first cdrw or the second one)

Revision history for this message
Doug (dschrock) said :
#11

Thanks Ali.
I tried that and i received the following error message:

doug@mamba:~$ cd /media
doug@mamba:/media$ sudo mkdir cdrom1
doug@mamba:/media$ sudo mount dev/hdd /media/cdrom
mount: special device dev/hdd does not exist
doug@mamba:/media$

I assume that somehow there is some confusion as to hdc, hdd and scd0, but just don't know enough to be able to change it.

Doug

Revision history for this message
Peter C Bewick (vardzia-ge) said :
#12

I want to force mount my drive but cannot find where to enter the command string as on the error message (command line)
I know you can open applications like this. But where is it??

Revision history for this message
Peter C Bewick (vardzia-ge) said :
#13

want to force mount my drive but cannot find where to enter the command string as on the error message (command line)
I know you can open applications like this. But where is it??

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