Re: Grub Manual

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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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