Red Hat :: Unable To Get Multipath Configuration LVM / RHEL 5.3

I have and RHEL5.4 conecceted to an SAN HSV200. When I present a LUN to it, In system-confg-lvm gui appears a device like /dev/mapth/mapth0 (that�s the correct device to multipath) and other like /dev/sda or /dev/dm-N, as uninitialized entities. How could I configure to not display this device (/dev/sda) and prevent human errors?

This is the things I need:

1- I want (if it is posible...) to disappear the part where it says "uninitialized entities"

2- Is It necesary mantain the partitioning done to default (like /dev/mapper/mpath0p1) with device-mapper-multipath (kpartx command)? or Can I delete it without future problems?

This is the actual configuration that I have:

1- /etc/lvm/lvm.conf

Code:

preferred_names = [ "^/dev/mpath/", "^/dev/mapper/mpath", "^/dev/[hs]d" ]
filter = [ "a/dev/mapper/mpath.*/","a/dev/cciss/.*/","r/.*/" ]

2- /etc/multipath.conf

Code:

#blacklist {
# devnode "*"
#}

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