Dear SCO Customer,

Support Level Supplement (SLS) ptf7602d, the UnixWare 7.1.1 vxfs Driver
Supplement, addresses all the problems listed below.


SLS ptf7602a addressed this issue:

1. Some actions can consume the whole of memory, forcing the system 
   to start swapping.


SLS ptf7602b addressed this issue:

2. VxFS caused a kma paranoid panic due to not checking for vnode 
   softcounts before kmem_free()ing the vx_biginode.


SLS ptf7602c addressed this issue:

3. A problem was found in the vx_rename1() routine of the VxFS driver 
   which caused a kernel panic.


SLS ptf7602d additionally addresses these issues:

4. Unmounting a vxfs snapshot volume fails to update the volume status,
   preventing removal of that volume.

5. The kernel panics when trying to create a vxfs snapshot in which 
   either target or destination device (or both) is a disk slice (and 
   not an ODM volume).


Contents
--------

        /etc/conf/pack.d/vxfs/Driver_atup.o
        /etc/conf/pack.d/vxfs/Driver_mp.o


Software Notes and Recommendations
----------------------------------

SLS ptf7602d should only be installed on:

        UnixWare 7 Release 7.1.1


Installation Instructions
-------------------------

1. Download the ptf7602d.Z file to the /tmp directory on your machine.

2. As root, uncompress the file and add the SLS package to your system
   using these commands:

        $ su
        Password: <type your root password>
        # uncompress /tmp/ptf7602d.Z
        # pkgadd -d /tmp/ptf7602d
        # rm /tmp/ptf7602d

Alternatively the package has the option of being installed in quiet
mode, that is without displaying the release notes and asking for
installation confirmation. This is accomplished by:

        $ su
        Password: <type your root password>
        # uncompress /tmp/ptf7602d.Z
        # pkgadd -qd /tmp/ptf7602d all
        # rm /tmp/ptf7602d

3. Reboot the system after installing this SLS package.

The release notes displayed prior to installation can be found in:

        /var/sadm/pkg/ptf7602/install/ptf7602.txt


Removal Instructions
--------------------

1. As root, remove the SLS package using these commands:

        $ su
        Password: <type your root password>
        # pkgrm ptf7602

2. Reboot the system after removing this SLS package.

If you have questions regarding this SLS, or the product on which 
it is installed, please contact your software supplier.