Subject: Re: Questions about 1.3
To: None <,>
From: Matthew Jacob <>
List: current-users
Date: 10/02/1997 11:02:41
> > 1. Will 1.3 still have the limit of 8 partitions / disk (on i386 port
> >    specifically)?  This limit gets worse by the growing disk sizes.
>Yes.  Changing the MAXPARTITIONS value is a somewhat serious undertaking,
>and is going to require some planning.  Basically, that's going to make
>minor numbers incompatible (i.e. what was sd1a will actually be sd0i).  If
>we're going to make them incompatible, we should make them incompatible
>in a detectable way - by switching to a different dev_t format, which is
>something we plan on doing anyhow, after 1.3.
>There are other problems - double the number of partitions, halve the number
>of available disk units.  For some of us, this poses a _real_ practical
>problem (there is a machine sitting in a development lab here, running
>NetBSD, w/ > 1T of disk on it, and we _NEED_ the SCSI disk unit numbers).

Easy to fix w/o changing the minor byte size- just have multiple
xxdevsw entries and sort it out in the driver. Gross, but trivial.