HP-UX oracle RAC problem

Hi all i have a problem which we can't fix
we have 2 hp blades loaded with HP-UX11iv3 and Oracle RAC 11g R1 accessing HP Sotrage works xp 24000
the oracle cluster cannot access the

/dev/oracle/ocr1

i ran

#ioscan -em lun 

the result came as follows " please note output turncated for bervity"

Class     I  Lun H/W Path  Driver  S/W State   H/W Type     Health  Description
======================================================================
disk      1  64000/0xfa00/0x0    esdisk  CLAIMED     DEVICE       online  HP      IR Volume         
             0/2/1/0.0x53b41f7e4c4ff5f.0x0
                      /dev/disk/disk1      /dev/rdisk/disk1   
                      /dev/disk/disk1_p1   /dev/rdisk/disk1_p1
                      /dev/disk/disk1_p2   /dev/rdisk/disk1_p2
                      /dev/disk/disk1_p3   /dev/rdisk/disk1_p3
ctl       2  64000/0xfa00/0x5    esctl   CLAIMED     DEVICE       online  HP      OPEN-XP12000      
             0/3/0/0/0/1.0x50060e8015315a30.0x0
                      /dev/pt/pt2
disk     26  64000/0xfa00/0x6    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V            
             0/3/0/0/0/1.0x50060e8015315a30.0x4000000000000000
                      /dev/disk/disk26   /dev/oracle/ocr1   /dev/rdisk/disk26
disk     27  64000/0xfa00/0x7    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V            
             0/3/0/0/0/1.0x50060e8015315a30.0x4001000000000000
                      /dev/disk/disk27   /dev/oracle/ocr2   /dev/rdisk/disk27
disk     28  64000/0xfa00/0x8    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V*4          
             0/3/0/0/0/1.0x50060e8015315a30.0x4002000000000000
                      /dev/disk/disk28   /dev/oracle/asm1   /dev/rdisk/disk28
disk     29  64000/0xfa00/0x9    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V*2          
             0/3/0/0/0/1.0x50060e8015315a30.0x4003000000000000
                      /dev/disk/disk29   /dev/oracle/asm2   /dev/rdisk/disk29
disk     30  64000/0xfa00/0xa    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V*3          
             0/3/0/0/0/1.0x50060e8015315a30.0x4004000000000000
                      /dev/disk/disk30   /dev/oracle/asm3   /dev/rdisk/disk30
disk     31  64000/0xfa00/0xb    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V*3          
             0/3/0/0/0/1.0x50060e8015315a30.0x4005000000000000
                      /dev/disk/disk31   /dev/oracle/asm4   /dev/rdisk/disk31
disk     32  64000/0xfa00/0xc    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V*5          
             0/3/0/0/0/1.0x50060e8015315a30.0x4006000000000000
                      /dev/disk/disk32   /dev/oracle/asm5   /dev/rdisk/disk32
disk     33  64000/0xfa00/0xd    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V*4          
             0/3/0/0/0/1.0x50060e8015315a30.0x4007000000000000
                      /dev/disk/disk33   /dev/oracle/asm6   /dev/rdisk/disk33
disk     34  64000/0xfa00/0xe    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V            
             0/3/0/0/0/1.0x50060e8015315a30.0x4008000000000000
                      /dev/disk/disk34   /dev/oracle/vot1   /dev/rdisk/disk34
disk     35  64000/0xfa00/0xf    esdisk  CLAIMED     DEVICE       online  HP      OPEN-V            
             0/3/0/0/0/1.0x50060e8015315a30.0x4009000000000000
                      /dev/disk/disk35   /dev/oracle/vot2   /dev/rdisk/disk35
disk     36  64000/0xfa00/0x10   esdisk  CLAIMED     DEVICE       online  HP      OPEN-V            
             0/3/0/0/0/1.0x50060e8015315a30.0x400a000000000000
                      /dev/disk/disk36   /dev/oracle/vot3   /dev/rdisk/disk36

any ideas would be a great assist