[CentOS] How NOT to have a disk recognized by grub? [SOLVED]

Fri May 20 18:35:50 UTC 2005
Michael <addymin at pacbell.net>

Johnny:

Booting into "linux rescue" and using e2label did the trick!  I simply 
relabeled the partitions on the "old" disk and rebooted.

Thanks.

Michael


Johnny Hughes wrote:
> On Fri, May 20, 2005 12:01 pm, Michael said:
> 
>>Greetings:
>>
>>I'm upgrading a fileserver running 3.4 (upgrade to a larger disk).  I
>>backed up the data from the "old" disk and slapped in a newer, larger
>>disk and installed Centos-3.4.  No problems.
>>
>>Now, there are some files on the "old" disk that I forgot to move to the
>>back-up disk, so I'd like to mount the "old" disk as /dev/hdd and reboot
>>the system and transfer the files [hdd (old disk) --> hda (new disk)].
>>
>>However, the old disk still has Grub on the MBR and when I boot, the
>>system tries to mount the "/boot" and "/" partitions from BOTH disks!  I
>>get errors about duplicate partitions and that those dups won't get
>>mounted.The fileserver does boot but with a configuration combination of
>>both systems.
>>
>>Question: Grub is correctly installed and configured on hda.  How do I
>>get the boot process to ignore the old disk (and MBR) on hdd???
>>
>>I tried google but I can't seem to find this fix.
> 
> 
> Is it possible that the old disk and the new one have the same label name?
> 
> That is the only reason I could think of why it would try to mount or
> confuse the disks.
> 
> If that is the problem, you can boot via CD-1 and use "linux rescue" then
> relabel the hdd disk to something else using the command:
> 
> e2label /dev/hdd#
> e2label /dev/hda#
> 
> If they are the same ... relabel hdd with the command:
> 
> e2label /dev/hdd# new_name
> 
> (the # is the specific partition number)