Date: Sat, 25 Oct 2008 13:25:45 +0200 From: Markus Hitter <mah@jump-ing.de> To: freebsd-embedded@freebsd.org Subject: Fill a partition entirely Message-ID: <8DCB3D53-4C5E-43FD-A437-C551A36003DE@jump-ing.de>
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Hello all,
recently I received such a GEODE-based diskless desktop PC and now
I'm attepting to get a minimum system onto it using (a heftily
tweaked) tinyBSD. The plan is to put a memory based, read-only root
file system onto a pen drive and to use the remaining part of the pen
drive for user data.
In principle everything works, but when trying to optimise, I can't
get this root file system to fill up to more tham about 60%, no
matter how I set inode count, root reserved space and fragment size.
This is the snippet for creating the partition:
PART_ONE_SIZE=`du -s ${WORKDIR} | cut -f 1`
# Fix: let PART_ONE_SIZE=${PART_ONE_SIZE}*2
LABELFILE=`mktemp -t tinybsd`
echo "a: ${PART_ONE_SIZE} * 4.2BSD" > ${LABELFILE}
echo "b: * * 4.2BSD" >> ${LABELFILE}
bsdlabel -R -B /dev/${MD} ${LABELFILE}
rm -f ${LABELFILE}
newfs -m 0 -n /dev/${MD}a
mount /dev/${MD}a ${IMGMNT}
tar -C ${WORKDIR} -cf- --exclude kernel . | \
tar -C ${IMGMNT} -xf-
For some reason I can't imagine, the later "tar" starts complaining
"No space left on device" half the way and the situation ends up with
("df -i"):
Filesystem 1K-blocks Used Avail Capacity iused ifree %iused Mounted on
/dev/md1a 6778 4596 2182 68% 22 1000 2% /tmp/
tinybsd.HhlvvDXC
To me, this doesn't look like "No space left on device" at all. What
is missing here, how can I shrink the partition to just hold the
needed files?
Thanks,
MarKus
- - - - - - - - - - - - - - - - - - -
Dipl. Ing. Markus Hitter
http://www.jump-ing.de/
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