Thanks All,
           But I did try that. i.e.  after having created a logical volume
and I try to define it thru define dbvol it says not available.

O.System is AIX 4.1.5 and ADSM 3.1.5.

I would'nt know why? The same logical volume is accepted for Oracle.
permissions are o.k.

I tried absolute path as well as relative path after changing into
respective directory.

define dbvol /dev/srivol1
define dbvol srivol

Sri