mount point permissions mysteriously change overnight

Hi,

I am working on a recently installed AIX 5.3 system. There are several
file systems which are owned by root and the mount point has the
permissions 750, but I want all users to be able to access them so I
have changed the permission to 755.

This works fine but next morning when I come in, the permissions have
been reset to 750 again. This seems to happen every night and the box
is not being rebooted in the meantime. Other filesystems do not seem to
suffer from this problem.

Are there any standard AIX processes which might be running and causing
this behaviour? the box does not have much third party software on it
yet, so it's a mystery why it's happening.

Andy

.

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