[CentOS] Errors using custom install disk

John Kennedy
Wed, 04 Mar 2009 08:57:59 -0000

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(Sorry if this is a dupe. Sent originally from unregistered email address)

All,
I am trying to make a custom install CD for CentOS 5.2. I am building
the iso in a VirtualBox image and testing the iso in another VirtualBox
image so I don't keep wasting CD's. I have gotten to where all the
package dependencies are met and now I get the following error on boot:

An error occurred unmounting the CD. Please make sure you're not
accessing /mnt/source from the shell on tty2 and then click OK to retry

This scrolls rapidly up the screen (doing text install) and there is no
"OK" button. I have seen that there is a bug about this dated 2006 at:

https://bugzilla.redhat.com/show_bug.cgi?id=206352

But that was closed in November 2007 so it SHOULD be fixed in the iso I
am trying.

I also read in a forum that the CD "drive was going into some sort of
"sleep" mode which the install couldn't overcome." The
solution for this
person was to <Ctrl> <Alt> <F2> and in the new session do an
ls on
/mnt/sort every few seconds. Since this needs to be as unattended an
install as possible, that wouldn't work even if I could get to the
second console.

Any ideas?

Thanks,
John
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