Error in umount an ignite logical volume.......

I had configured an ignite server ....but now iam trying to remove the mount point created for ignite server iam getting the given error.
Please find herewith the logs given as under.
root @ TEST: />uname -a
HP-UX TEST B.11.31 U 9000/800 1202260923 unlimited-user license
root @ TEST: />bdf
Filesystem          kbytes    used   avail %used Mounted on
/dev/vg00/lvol3    2097152  345128 1738400   17% /
/dev/vg00/lvol1    1014648   91368  821808   10% /stand
/dev/vg00/lvol8    11010048 1362320 9573464   12% /var
/dev/vg00/lvol7    5242880 2288112 2931752   44% /usr
/dev/vg00/lvol6    3145728 1667400 1468448   53% /tmp
/dev/vg00/oracle   16777216 9931805 6428272   61% /oracle
/dev/vg00/lvol5    6291456 4076944 2197264   65% /opt
/dev/vg00/lvol4    3145728   30688 3095576    1% /home
/dev/vg01/lvol3    23068672 19857181 3010822   87% /drmdbZA
/dev/vg01/lvol6    52428800 44179480 7733783   85% /drmdbUSCA
/dev/vg01/lvol1    68157440 64710356 3231680   95% /drmdbSG
/dev/vg01/lvol2    44040192 39112037 4620194   89% /drmdbHK
/dev/vg01/lvol4    41943040 36207710 5376918   87% /drmdbBH
/dev/vg01/lvol5    31457280 26738985 4423446   86% /drmdbBE
DevFS                    3       3       0  100% /dev/deviceFileSystem
/dev/vg01/lvol7    31457280   24793 29467963    0% /var/opt/ignite/recovery
root @ TEST: />umount /var/opt/ignite/recovery
umount: cannot unmount /dev/vg01/lvol7 : Device busy
umount: return error 1.
root @ TEST: />fuser -cu /var/opt/ignite/recovery
/var/opt/ignite/recovery:
root @ TEST: />whereis lsof
lsof:
root @ TEST: />fuser -kuc /var/opt/ignite/recovery
/var/opt/ignite/recovery:
root @ TEST: />umount /var/opt/ignite/recovery
umount: cannot unmount /dev/vg01/lvol7 : Device busy
umount: return error 1.