Re: [SLE] Single user S mode file system read only !

15 Nov 2004


      Jerry,
      I understand that but what I am trying to find
out is IF you boot into S, why is the file system
mounted read only. On carefully looking at the boot
messages I see that if you boot in S none of the
scripts in boot.d directory are run. How does init
decide that??The /etc/init.d/boot script does not
indicate this.


Thanks,
----Abhishek


--- Jerry Feldman  wrote:
...
...
Hi,
     On suse linux we have 7 run levels, 0 to 6
and
the single user maintenance mode 'S' or
'single'.On
system boot the init program runs /etc/init.d/boot
script which runs all the scripts in boot.d(here
it
mounts the fs read write ) and then switches to
...
default run level, running start scripts in rc*.d
On Sunday 14 November 2004 7:14 pm, ABHISHEK GUJAR
wrote:
the
dir.
...
However if you boot directly into run level S by
typing S or single at boot prompt, init does not
...
any of the scripts in boot.d dir and hence the
file
system is still read only when the system comes up
in
single user mode(S).
My question is where or at what point does init
decide
that if it has boot into S, it should not run the
/etc/init.d/boot..thereby keeping the fs read
only??
The /etc/inittab file does not show this logic
although it does say that if you boot in
emergency(-b)
mode it should not run the boot script..but thats
different coz its not a run level..
The file, /etc/inittab controls what init runs at
startup:
/etc/init.d/boot is always the first script to be
run. 
Then, the choice of what scripts to run are based on
run
the run level. Run 
Level S is more of a legacy to older SuSE systems.
Run level 1 is the 
appropriate single user mode run level.
-- 
Jerry Feldman 
Partner Technology Access Center (contractor)
(PTAC-MA)
Hewlett-Packard Co.
550 King Street LKG2a-X2
Littleton, Ma. 01460
(978)506-5243
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