/etc/rc.d/rc.sysinit invokes fsck with -C by default. If you are running
your server with a serial console (9600 bps is the industry standard), this
takes a _long_ time (like, half an hour!), since fsck updates the display
_way_ too often.
The workaround is of course to manually remove the -C from
Fixed in the latest initscripts packages - -C is not
used over serial console.