Well, that means /sbin/* and /bin/*. No way on my system.
If the rootfs cannot be unmounted (which is really remounted R/O)
cleanly at shutdown with newer kernels, you should investigate the
reason and fix the bug instead of guessing what is could be and
inventing a workaround.
After the umount -a call in the shutdown scripts, put something like
mount /proc
fuser -vm /
That will tell you exactly which program has what files open on the root fs.
I know that sysvinit has a FIFO opened r/w on the root filesystem,
/dev/initctl. That might very much be the problem. Does a R/W opened
FIFO actually use the disk ? I don't think so under Linux, on older
Unixes it might.
Mike.
--
"Did I ever tell you about the illusion of free will?"
-- Sherrif Lucas Buck, ultimate BOFH.
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