Try using ldd to find out if you're missing any (32-bit) libraries for the binary:
[root@esx1 ~]# ldd /opt/netapp/santools/mbrscan
libnsl.so.1 => /lib/libnsl.so.1 (0x00699000)
libdl.so.2 => /lib/libdl.so.2 (0x0047a000)
libm.so.6 => /lib/libm.so.6 (0x004ae000)
libcrypt.so.1 => /lib/libcrypt.so.1 (0xf7ef6000)
libutil.so.1 => /lib/libutil.so.1 (0xf7ef2000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00480000)
libc.so.6 => /lib/libc.so.6 (0x00334000)
/lib/ld-linux.so.2 (0x00316000)
[root@esx1 ~]# ldd /opt/netapp/santools/mbralign
libnsl.so.1 => /lib/libnsl.so.1 (0x00699000)
libdl.so.2 => /lib/libdl.so.2 (0x0047a000)
libm.so.6 => /lib/libm.so.6 (0x004ae000)
libcrypt.so.1 => /lib/libcrypt.so.1 (0xf7f8b000)
libutil.so.1 => /lib/libutil.so.1 (0xf7f87000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00480000)
libc.so.6 => /lib/libc.so.6 (0x00334000)
/lib/ld-linux.so.2 (0x00316000)
[root@esx1 ~]#
If any of these libs comes up as "not found" then you need to install (compatibility-)libraries for your OS
-Michael