Grub Manual
David Boles
dgboles at gmail.com
Sat Oct 20 03:12:01 UTC 2007
on 10/19/2007 10:51 PM, Les Mikesell wrote:
> David Boles wrote:
>> Hmm... The drive letters will change when you add or remove drives. But
>> most people that add and remove drives have some idea of what it is that
>> they are doing. And they don't do it as often as they put on or remove
>> their shoes.
>>
>> I have *never* done this, physically add/remove drives thing, in an
>> installed Linux myself but I would be willing to bet that Linux, any
>> brand, would get confused too.
>
> With the old ide /dev/hdx notation, drives stayed where you put them
> according to the controller and cable or jumper position. That is, the
> primary drive on the first controller is hda, the slave on the second
> controler is hdd whether or not there is anything added or removed in
> between. With scsi it is dynamic, with /dev/sd? devices added in the
> order they are detected so if you add/remove early in the controller or
> drive select chain everything else moves.
I was thinking, have *no* hands on experience. of all of the
complaints/comments on the latest 'thing'. The USB hard drive.
>> That is what the $PATH, in Linux or Windows, is for I think. ;-)
>
> No, you always mount the filesystems under the same names in Linux, but
> that moves the problem to the grub configuration and /etc/fstab where
> you tell it what partitions to mount. Auto-detected labels on
> filesystems that support them are supposed to solve this problem, but a
> default install puts the same labels on every installation so as soon as
> you try to move and re-use some drives the problem is even worse.
As I said. I have no experience with any of this. But thanks for the
explanation.
--
David
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