sslug-teknik team mailing list archive

[Leif Lende <leif@xxxxxxxx>]

Frank Damgaard skrev:

> On Sat, Jan 17, 2004 at 11:10:46 +0100, Leif Lende wrote:
>
> ....
>
>
> > > Med lidt helt bør du kunne finde hvor alle mount anvendes
> > > til at mounte filsystemerne under opstart.
> > > Og med kendskab til hvordan /etc/init.d/ og /etc/rc.?.d/ virker
> > > bør du kunne finde ud af om dette script kaldes før eller efter
> > > modulerne er på plads.
> >
> > Det gør de fra /etc/rc.sysinit
> > meget tidligt.
>
>
> Dvs. mount sker i rc.sysinit før moduler startes ?
> og der er i scriptet ikke noget der åbner for kald af egne scripts
> før "mount" ?
Det er sku svært at svare på, men der kaldes jo diverse scripts undervejs.
Her er et lille udkast af rc.sysinit hvor mount og fstab nevnes:

####################################################################


# Load modules (for backward compatibility with VARs)
if [ -x /etc/rc.d/rc.modules ]; then
	/etc/rc.d/rc.modules
fi

# If they asked for ide-scsi, load it
# This must come before hdparm call because if hdd=ide-scsi
# /dev/hdd is inaccessible until ide-scsi is loaded
if grep -q "ide-scsi" /proc/cmdline ; then
	modprobe ide-cd >/dev/null 2>&1
	modprobe ide-scsi >/dev/null 2>&1
fi

if [ -f /etc/raidtab ]; then
	# Add raid devices
	[ -f /proc/mdstat ] || modprobe md >/dev/null 2>&1
fi
if [ -f /etc/raidtab -a -f /proc/mdstat ]; then

	gprintf "Starting up RAID devices: "

	rc=0
	
	for i in `awk '{if ($1=="raiddev") print $2}' /etc/raidtab`
	do
		RAIDDEV=`basename $i`
                 RAIDSTAT=`LC_ALL=C grep "^$RAIDDEV : active" /proc/mdstat`
		if [ -z "$RAIDSTAT" ]; then
			# First scan the /etc/fstab for the "noauto"-flag
			# for this device. If found, skip the initialization
			# for it to avoid dropping to a shell on errors.
			# If not, try raidstart...if that fails then
			# fall back to raidadd, raidrun.  If that
			# also fails, then we drop to a shell
			RESULT=1
			INFSTAB=`LC_ALL=C grep -c "^$i" /etc/fstab`
			if [ $INFSTAB -eq 0 ] ; then
			    RESULT=0
			    RAIDDEV="$RAIDDEV(skipped)"
			fi
			NOAUTO=`LC_ALL=C grep "^$i" /etc/fstab | LC_ALL=C grep -c "noauto"`
			if [ $NOAUTO -gt 0 ]; then
			    RESULT=0
			    RAIDDEV="$RAIDDEV(skipped)"
			fi
			if [ $RESULT -gt 0 -a -x /sbin/raidstart ]; then
				/sbin/raidstart $i
				RESULT=$?
			fi
			if [ $RESULT -gt 0 -a -x /sbin/raid0run ]; then
				/sbin/raid0run $i
				RESULT=$?
			fi
			if [ $RESULT -gt 0 -a -x /sbin/raidadd -a -x /sbin/raidrun ]; then
				/sbin/raidadd $i
				/sbin/raidrun $i
				RESULT=$?
			fi
			if [ $RESULT -gt 0 ]; then
				rc=1
			fi
			echo -n "$RAIDDEV "
		else
			echo -n "$RAIDDEV "
		fi
	done
	echo

	# A non-zero return means there were problems.
	if [ $rc -gt 0 ]; then
		local str=
		echo
		echo
		gprintf "*** An error occurred during the RAID startup\n"
		gprintf "*** Dropping you to a shell; the system will reboot\n"
		gprintf "*** when you leave the shell.\n"

  		str=`gprintf "(RAID Repair)"`
		PS1="$str \# # "; export PS1
		sulogin

             gprintf "Unmounting file systems\n"
	    umount -a
	    mount -n -o remount,ro /
             gprintf "Automatic reboot in progress.\n"
	    reboot -f
	fi
fi

# LVM initialization, take 2 (it could be on top of RAID)
if [ -x /sbin/vgchange -a -f /etc/lvmtab ]; then
         action "Setting up Logical Volume Management:" /sbin/vgscan &&
/sbin/vgchange -a y
fi

if [ -x /sbin/devlabel ]; then
	/sbin/devlabel restart
fi

_RUN_QUOTACHECK=0
# Check filesystems
# (pixel) do not check loopback files, will be done later (aren't
available yet)
if [ -z "$fastboot" ]; then
         gprintf "Checking filesystems\n"
	Fsck -T -R -A -a -t noopts=loop $fsckoptions
fi

# (stew) since we're defaulting to ext3 now, and kernel22 doesn't
# support it yet - mount ext3 partitions as ext2 for kernel22
# mkinitrd covers the case for rootfs as ext3

IS22=$(/bin/uname -r | /bin/grep '^2\.2')

if [ -n "$IS22" ]; then
     for i in `grep ext3 /etc/fstab | grep defaults | awk '{print $1}'`
     do
         mntpt=`grep "^$i" /etc/fstab | awk '{print $2}'`
         if [ "$mntpt" != "/" ]; then
             gprintf "Mount $i on $mntpt as ext2 for kernel22"
             mount $i $mntpt -text2
             if [ "$rc" = "0" ]; then
                 echo_success
                 echo
             elif [ "$rc" = "1" ]; then
                 echo_passed
                 echo
             fi
         fi
     done
fi

# Mount all other filesystems (except for NFS and /proc, which is already
# mounted). Contrary to standard usage,
# filesystems are NOT unmounted in single user mode.
# (pixel) also do not mount loopback, will be done later
action "Mounting local filesystems: " mount -a -t nonfs,smbfs,ncpfs -O
no_netdev,noloop,noencrypted

rc_splash mount 6

[[ -z $AUTOFSCK_CRYPTO_TIMEOUT ]] && AUTOFSCK_CRYPTO_TIMEOUT=15

#Mounting Encrypted filesystem
encrypted_swap=
if [[ ! -f /fastboot ]];then
     encrypted=
     while read -a entry;do
	device=${entry[0]}
	mountpoint=${entry[1]}
	options=${entry[3]}
	type=${entry[2]}
	if [[ $options == *encryption=* || $options == *encrypted* ]];then
	    [[ $options == *noauto* ]] && continue
	    if [[ $type == *swap* ]];then
		encrypted_swap="$encrypted_swap $device"
		continue
	    fi
	    encrypted="$encrypted $mountpoint"
	fi
     done < /etc/fstab
#####################################################################################
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