Why root fs "read-only" on shutdown?
Hello,
every day I turn my computer off when I leave work. Consequently, I have
to turn I back on when I get back. About twice a week, of course, one of my
6 harddisk partitions is ready for its routine check on startup which
costs me precious worktime. In an attempt to gain maybe 2 hours cumulative
over my entire work life, I came up with the following brilliant idea: To
my custom shutdown script (which backs up my day's work and does some
cleanup) I added the line:
touch /forcefsck
and placed this symbolic link in rc0.d:
S41checkfs.sh -> ../init.d/checkfs.sh
(right after S40umountfs -> ../init.d/umountfs). The idea being that I
don't care how long the machine works before powerdown as by that time I'm
well on my way home.
It didn't take me long to discover that init.d/umountfs remounts /
read-only, preventing checkfs.sh to wipeout the /forcefsck flag, but as
the remount line was commented as "superfluous" in init.d/umountfs I took
the liberty to comment it out.
Anyway, checkfs.sh still can't delete the flag because rm still says that
the root fs is read-only. This of course results in *every* partition
being force-checked on *every* startup, which is the exact opposite of
what I had been trying to accomplish. A grep on "remount" in init.d,
however, revealed that there are no other scripts that remount / as
read-only.
So how come that / is read-only by the time I get to my ingenious
rc0.d/S41 hack?
Needless to say that the quest for the answer has by now cost me much more
time than I had hoped to save. But my curiosity is tickled.
Thanks for any insight:
--Daniel
Reply to: