I have a RHEL 5 system that is trying to mount an EMC lun during boot using powerpath. When I have it set in /etc/fstab is complains that the device doesn't exist. If I enter the root password it puts me into a read-only filesystem where I can't modify /etc/fstab. (I have to "mount -o remount,rw / " and edit the fstab and commect the enties as given below to fix it)

# cat /etc/fstab
/dev/VolGroup00/LogVol00 / ext3 defaults 1 1
/dev/VolGroup00/LogVol02 /u01 ext3 defaults 1 2
LABEL=/boot /boot ext3 defaults 1 2
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
#######################################################
#Entries below have to be commented out for the system to #boot
#######################################################
/dev/VolGroup00/LogVol01 swap swap defaults 0 0
/dev/VGF5_d10/LVF5_tuna /tuna ext3 defaults 1 2
/dev/VGF5_d10/LVF5_u10 /u10 ext3 defaults 1 2
/dev/VGF5_u20/LVF5_u20 /u20 ext3 defaults 1 2
/dev/VGS5_d20/LVS5_u40 /u40 ext3 defaults 1 2
/dev/VGF5_d11/LVF5_u11 /u11 ext3 defaults 1 2
/dev/VGS5_e15/LGS5_e15 /e15 ext3 defaults 1 2

However, if I don't mount it via fstab and wait until the system is booted to mount it -- it mounts fine.
I'm guessing that powerpath is not being started early enough or its taking longer than it should to initialize.

Need help to resolve this issue.