On Sat, Aug 02, 2008 at 12:20:39AM -0600, M. Warner Losh wrote: > In message: <[EMAIL PROTECTED]> > fbsd2 <[EMAIL PROTECTED]> writes: > : Greetings list, > : > : Given recent EOL announcements, I'm trying to upgrade an ancient machine > from 5.5 to 7. It has 80 Mb total in the root partition, /home/, /var/, > /usr/, and /tmp/ on other partitions, and NFS mounts /usr/src, /usr/obj, and > /usr/ports from a slightly newer/faster box. I've seen > : > : http://www.freebsd.org/releases/7.0R/relnotes.html and > : http://marc.info/?l=freebsd-stable&m=121278826119286&w=2 > : > : which seem to suggest that even with INSTALL_NODEBUG during buildkernel, 7 > might not fit in an 80 Mb /. Must I partition a new disk to give more space > to /, or can I find more space by deleting /stand/, /modules/, and possibly > /rescue/ to shoehorn a custom 7.x kernel in the available space? TIA > > Doesn't look like anybody has answered this question... > > 80MB is plenty, even for 7.x. However, you'll have to use nanobsd or > tinybsd to get that small. You'll likely been unable to do a 'make > installworld' to get this size. You'll have to create an image and > push it over to this machine somehow. > > In the 3.x time frame, I had FreeBSD booting with the standard scripts > in 13MB without compression. 4.x, 5.x and 6.x bloated these binaries > to about 18MB (a few more were added). I haven't built a system based > on 7.x with this system due to a change in employment, but expect that > it wouldn't be much larger than 20MB for these same files. Some > careful honing could reduce that a little, but maybe not a lot. > Typical embedded systems that I shipped were on the order of 24MB > without X11 and 32-60MB for those with an X11 server. > > What's this box used for?
Actually, on the normal RELENG_7/i386 install (i.e. done by buildworld/installworld), I get Filesystem 1K-blocks Used Avail Capacity Mounted on /dev/ad0s1a 257998 50422 186938 21% / /dev/ad0s1e 4129310 143676 3655290 4% /usr Note that you must supply INSTALL_NODEBUG=yes for installkernel, and the numbers shown are for WITHOUT_PROFILE=yes. Amd64 takes ~230Mb for merged / and /usr, this is both due to increased binary sizes and lib32.
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