SG Persistent Reservations

Hello Guys ,

How do i remove Persistent Reservations from a SAN LUN .

[root@gbwyngmah2idb08 ~]# sg_persist -i -k /dev/mapper/vg_todseudbpkg03_temp1
EMC SYMMETRIX 5874
Peripheral device type: disk
PR generation=0x3, 2 registered reservation keys follow:
0x123abc
0x123abc
[root@gbwyngmah2idb08 ~]# sg_persist -i -k /dev/mapper/vg_todseudbpkg03_data1
EMC SYMMETRIX 5874
Peripheral device type: disk
PR generation=0x3, 2 registered reservation keys follow:
0x123abc
0x123abc
[root@gbwyngmah2idb08 ~]#

I'm using RHEL 6.5