Subject: Re: Keeping obsolete device numbers? (was: CVS commit: src/sys/conf)
To: None <tech-kern@NetBSD.org>
From: Bernd Ernesti <netbsd@lists.veego.de>
List: tech-kern
Date: 02/25/2006 18:28:00
On Sat, Feb 25, 2006 at 12:17:17PM -0500, Christos Zoulas wrote:
> On Feb 25, 11:39am, netbsd@lists.veego.de (Bernd Ernesti) wrote:
> -- Subject: Keeping obsolete device numbers? (was: CVS commit: src/sys/conf)
> 
> | On Sat, Feb 25, 2006 at 01:32:10AM +0000, Christos Zoulas wrote:
> | [..]
> | > Modified Files:
> | > 	src/sys/conf: files majors
> | > 
> | > Log Message:
> | > remove vinum
> | [..]
> | > cvs rdiff -r1.18 -r1.19 src/sys/conf/majors
> | 
> | Hi Christos,
> | 
> | you left the vinum entry with an obsolete comment in that list, which is IMHO
> | correct, but i was asking myself if the device numbers should also be left in that
> | list, so we see which was the old device number.
> 
> I put it back, thanks.

Thank you.

> | Which brings us to the question about recycling obsolete device numbers.
> | Should we do that or not and what is the downside if we do it?
> | 
> | I think we could recycle it at one point, which could be one or two major
> | releases after it was removed.

I would like to get some comments about this point.
Is it ok, or should we keep the obsolete device numbers for a longer time?

> | Hmm, do we also need to teach postinstall about this obsolete device numbers?
> 
> I don't know what needs to be done about that. Do we have dev nodes in lists?

I don't think so, but it would be good to have some support, which will be
complicated in the case of MD devices nodes.

Bernd