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Old 09-01-2004, 02:36 PM   #1
Registered: Aug 2004
Location: Eastern Shore
Distribution: Slack 10.1
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2 disc install, can't umount 1st to continue install with 2nd

There is a database app I'm installing from 2 discs. The first disc has the program and part of the data, the 2nd disc has the rest of the data. It gets to a point where it tells me to put in the 2nd disc, but it won't let me umount the drive because the app still has it open.
I tried umount /mnt/cdrom but the device is busy.
If the app shuts down at this point, it says it needs the 1st disc when I try and run the app. Not a very sofisticated piece of work.

Anyone know how I can switch the discs?

Thanks in advance.
Old 09-01-2004, 02:43 PM   #2
Registered: Jul 2004
Location: Milpitas, California
Distribution: 1/2 Debian 1/2 my own
Posts: 189

Rep: Reputation: 30
Are you sure it's the app that still has it open and not another process that is preventing the umount? KDE is known to not let go of a device even when you're not using it. Do a "lsof" to see which files are being used.
Old 09-01-2004, 02:44 PM   #3
bruno buys
Senior Member
Registered: Sep 2003
Location: Rio
Distribution: Debian
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Either you can copy the contents of the 1st or the 2nd cd to your hd and run only 1 cd. I'd copy the 1st and start the install from hd, then, when it asks for the 2nd cd, just load it.
Old 09-01-2004, 02:52 PM   #4
Registered: Aug 2004
Location: Eastern Shore
Distribution: Slack 10.1
Posts: 36

Original Poster
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"lsof" ... command not found
copy to hd ... I'll give it a shot, but i don't think I have the option to navigate to a auto-searches the cdrom drive for the disc 1 data
Old 09-01-2004, 03:03 PM   #5
Registered: Mar 2004
Posts: 519

Rep: Reputation: 35
When I've had 2 or 3 disks install, I've done this:

Open two terminals:

Terminal 1)

$ su
# mount /mnt/cdrom

Terminal 2)
$ cd /mnt/cdrom
$ ./install

When prompted for disk 2:

Terminal 1)
# umount /mnt/cdrom
<swap disks>
# mount /mnt/cdrom

You may need to copy the installer script / program to /tmp and run it from there

Good luck!

Old 09-01-2004, 03:11 PM   #6
Not now, John!
Registered: Jul 2004
Distribution: LFS 5.1
Posts: 161

Rep: Reputation: 30
What does pwd comand says? If it is /mnt/cdrom you'll have to "cd .." before trying to unmount CD.
Old 09-01-2004, 03:14 PM   #7
Registered: Aug 2004
Distribution: LFS
Posts: 350

Rep: Reputation: 31
You should never change directory to the mount point, thats generally the primary reason you cant unmount when you need to insert the next disk, your shell is sitting on the mount point.


this is wrong

mount /dev/cdrom /cdrom
cd /cdrom

this is correct

mount /dev/cdrom /cdrom




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