using bzip2 to compress man-pages
craig at xfoil.gank.org
Mon Sep 26 10:53:26 PDT 2005
On Fri, Sep 23, 2005 at 02:59:17PM +0100, Brian Candler wrote:
> However I have another suggestion. For USB pen drives, if you don't mind
> your /usr filesystem being read-only then you can get a big benefit from
> using geom_uzip. I've just tried it on the manpages:
geom_uzip is great. It works wonderfully on my Soekris router/firewall:
ad0: 122MB <SanDisk SDCFB-128 HDB 2.06> at ata0-master PIO4
GEOM_LABEL: Label for provider ad0s1a is ufs/skroot40374.
GEOM_LABEL: Label for provider ad0s2a is ufs/skroot42030.
GEOM_LABEL: Label for provider ad0s3d is ufs/skconfig.
Trying to mount root from ufs:/dev/ufs/skroot42030
md0.uzip: 8192 x 16384 blocks
GEOM_LABEL: Label for provider md0.uzip is ufs/skusr.
# ls -l /skusr.uzip
-r-------- 1 root wheel 22729728 Sep 15 22:40 /skusr.uzip
(gets mdconfig'd early in the boot process -- I have a bootstrap rc that
does the job of figuring out which partition is root, setting up md
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/ufs/skroot42030 58439 33372 22146 60% /
devfs 1 1 0 100% /dev
/dev/md1 7662 796 6254 11% /etc
/dev/ufs/skusr 130263 48529 75221 39% /usr
/dev/ufs/skconfig 7910 844 6434 12% /config
/dev/md2 31470 212 28742 1% /var
/dev/md3 19566 12 17990 0% /tmp
/dev/md4 31470 34 28920 0% /home
> I've never tried booting from a geom_uzip filesystem, but I don't see why it
> shouldn't work :-)
It should work in theory, though your kernel (and geom_uzip.ko if it's
not compiled in!) must of course be loaded from an uncompressed
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