Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!umich!samsung!munnari.oz.au!bruce!mark
From: mark@bruce.OZ (Mark Goodwin)
Newsgroups: comp.os.minix
Subject: Re:  Mounting old file systems under 1.5.0
Message-ID: <1783@bruce.OZ>
Date: 10 Jan 90 01:26:14 GMT
References: <7779@nigel.udel.EDU>
Organization: Monash Uni. Computer Science, Australia
Lines: 18

From article by bunnell@wizard.asel.udel.edu (Tim Bunnell):
	> lars.fredriksen writes:
	>>Mark Goodwin writes:
	[deleted]

> I think the OLD/NEW distinction only applies when the filesystem was built on
> a partition that started on an odd sector.  Old minix filesystems were rounded
> to start on the nearest even sector number.  My root filesystem built, under
> 1.3, works just fine with a code of 0x00 because it starts on an even sector.
> If you have a file system built with 1.3 on a partition that starts with an 
> odd sector, you really need to flag it as OLD_MINIX or risk having it trashed.
> I'm pretty sure that OLD_MINIX is not the default in at_wini!

I have checked and you are quite right. My 1.3c partitions have an
odd numbered start. Mount reported "invalid file system" when I tried
to mount them (before changing them to type 0x80 (OLD_MINIX)).

Mark.