Where to set ENV vars for use at boot time

[Donald Russell]

On Wed, Jan 5, 2011 at 10:04, JB <jb.1234abcd at gmail.com> wrote:

> Donald Russell <russell.don <at> gmail.com> writes:
>
> > ...
>
> There is no clearly defined config file to set in/read from your fsck env
> variable.
> So, you have to modify startup scripts and set it there before fsck call.
>
> # grep -ir fsck /etc
> ...
> /etc/init.d/netfs
> ...
> /etc/rc.d/init.d/netfs
> ...
> /etc/rc.d/rc.sysinit
> ...
>
> Example:
> # cat /etc/rc.d/rc.sysinit
> ...
> if [ -f /fastboot ] || strstr "$cmdline" fastboot ; then
>        fastboot=yes
> fi
>
> # *************************************************************************
> # read your fsck env variable here
> # *************************************************************************
>
> if [ -f /fsckoptions ]; then
>        fsckoptions=$(cat /fsckoptions)
> fi
>
> ...
>
> if [ -z "$fastboot" -a "$READONLY" != "yes" ]; then
>
>        STRING=$"Checking filesystems"
>        echo $STRING
>        fsck -T -t noopts=_netdev -A $fsckoptions
> ...
>
>
Thanks....

I decided to add the env vars in /etc/sysconfig/network...

# fsck values are provided here so they are picked up by /etc/rc.sysinit
# when the system boots up.
# This way I don't have to modify the rc.sysinit script to get fsck
# to use parallelism.
FSCK_FORCE_ALL_PARALLEL=1
FSCK_MAX_INST=0

Not the most elegant of solutions, but this way I don't have to worry about
conflicts with any future updates to rc.sysinit.

I'm also going to open a ticket with redhat to suggest a more elegant
solution

Something like adding this line to rc.sysinit before running fsck...

[ -f /etc/fsckenv ] && . /etc/fsckenv

Similar to how rc.sysinit allows fsck command line options in /fsckoptions
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