aix@mail.com wrote:
> ONLY if an alt_disk_install procedure was done to get the AIX 5.3
> version onto the second disk, and ONLY to be able to mount filesystems
> from the AIX 5.2 system onto the running AIX 5.3 system. It will not
> work from running AIX 5.2 to mount AIX 5.3 filesystems.
>

In other words, the easiest, most foolproof way to share files is
to use a non-rootvg volume group with separate filesytems.
Rootvg's on the same box do not play well together.