Subject: Re: partition bookkeeping
To: Oleg Polyanski <>
From: Ignatios Souvatzis <>
List: tech-kern
Date: 09/22/1999 21:48:04
On Wed, Sep 22, 1999 at 10:25:53PM +0400, Oleg Polyanski wrote:
> 	I'm not   sure that it  makes our   life easier.   Right  now we have
> 	floating disk naming scheme - disk detected first will get number `0'
> 	even  if it has, for example,  SCSI ID 5 so  when I  add another disk
> 	with SCSI ID number  2 (for example, I would  like to add  large /opt
> 	file system)   it becomes first (i.e.   sd0),  not the former `first'
> 	disk.  You  cannot mount root  fs without  editing your `/etc/fstab'.
> 	It's  weird.  Disk  naming   scheme must  depend on  device  physical
> 	properties  (SCSI  ID, master/slave or   something like that). 

This won't help you to mount root. You have to _know_ at _runtime_ which one
it is. As this isn't generally possible (at best, the kernel knows it),
install scripts tend to mount kernfs and then mount /kern/rootdev.