On Wed, 17 Oct 2001, Bruce Evans wrote:
BE>On Tue, 16 Oct 2001, Harti Brandt wrote:
BE>
BE>> since version 1.41 of newfs.c newfs fails to build 2MByte md-based
BE>> file systems. We use these file systems in our diskless pc's.
BE>
[patch snipped]
Thanks, the patch worked. However:
BE>The problem addressed by the patch is that the default geometry of 1
BE>track with 4096 sectors is extremly bogus for devices that don't even
BE>have 4096 sectors altogether. Users should override the default
BE>geometry for these devices, but most users don't (the release Makefiles
BE>set bad examples...), and newfs emits alarming warnings. The changes
Well, if one really careful reads the newfs manpage he will find these
defaults (but not their implications). A hint in the EXAMPLES section of
the page would really be useful. Something along the lines of:
"To format a file system with lesser than (default sectors/track *
default tracks/cylinder) = 4096 sectors use the -u switch the specify the
number of sectors:
newfs -u 2048 /dev/md0c
for a 1MByte memory disk."
would be really useful.
harti
--
harti brandt, http://www.fokus.gmd.de/research/cc/cats/employees/hartmut.brandt/private
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