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Re: bin/38171 (mount_ffs doesn't work on CDs)
The following reply was made to PR bin/38171; it has been noted by GNATS.
From: David Holland <dholland-bugs%netbsd.org@localhost>
Subject: Re: bin/38171 (mount_ffs doesn't work on CDs)
Date: Mon, 7 Feb 2011 06:07:56 +0000
On Mon, Jan 31, 2011 at 07:10:05PM +0000, Michael L. Hitch wrote:
> I may have some DEC ufs CDs - but the problem is almost certainly that
> the ufs is written using 512 byte blocks, and CDROM drives used by old DEC
> systems present the CD data as 512 blocks (although they are recorded on
> the CDROM as 2048 byte blocks.
Yeah, a closer look at the dumpfs output shows that the filesystem has
a fragsize of 1024, which is just not going to work with 2048-byte
device-level blocks without extra compat code.
David A. Holland
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