TITLE:              Stacker 2.0, 3.0 conversion to ND7 Stacker
DOCUMENT ID:        TID015125
DOCUMENT REVISION:  1
DATE:               27Feb1994
ALERT STATUS:       Yellow
README FOR:         NA

NOVELL PRODUCT and VERSION:
NOVELL DOS 7.0

ABSTRACT:
NA

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DOCUMENT IS FOR YOUR INFORMATION ONLY. NOVELL MAKES NO EXPLICIT OR
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SYMPTOMS:

After installing Novell DOS 7.0 on a system using Stacker 2.0 or
Stacker 3.0, there is no conversion to Novell DOS Stacker 3.12
through the SETUP utility.

SOLUTIONS:

The user has the following 3 options:

Option 1:

Leave on the Stacker 2.0 or 3.0.

*** WARNING *** The retail Stacker DISK COMPRESSION and DISKFIX
utilities should be used on a Stacker volume only.  Do not use the
Novell DOS Diskopt on a Stacker 2.0 or Stacker 3.0 volume.

Option 2:

1.   Backup data.

2.   Remove the existing Stacker 2.0 or Stacker 3.0 volumes.  You
will need to consult the Stacker Manual for the best method in
removing and unstacking the existing Stacker volumes.

3.   Then Stac the drive through Novell DOS setup under the "Disk
Compression" option.

4.   Restore the data.


Option 3:

Do a manual conversion to Novell DOS 7 Stacker 3.12.  While this is
not "officially supported," a manual conversion is possible.  It has
worked successfully in six in-house tests.  Stac Electronics has also
said that it "should" work.  Use the following steps to do the manual
conversion:

1.   Backup Data.

Please note the following point!  While the in-house tests showed no
loss of data, with any compression conversion data loss is possible. 
Please backup your data!

2.   Create a STACKER.BIN. Create the STACKER.BIN by issuing the
following commands while in the NWDOS directory (The STACLOAD.BIN and
STACKER.COM are located in NWDOS <subdirectory>.)

     COPY /B STACLOAD.BIN+STACKER.COM C:\STACKER.BIN
     ATTRIB +RHS C:\STACKER.BIN

3.   Create C:\STACKER.INI.  Use a text editor to create the
C:\STACKER.INI file.  The following example shows only one Stacker
volume.

     /I-
     /P=9
     /F=32
     /DIR=C:\NWDOS
     C:\STACVOL.DSK,SW

The C:\STACVOL,DSK is the location of and file name of each
compressed Stacker volume.  This can be found by looking at the
CONFIG.SYS file.  The line will read as follows:

     DEVICE=C:\STACKER\STACKER.COM C:\STACVOL.DSK

The following STACKER.INI example shows multiple Stacker volumes:

     /I-
     /P=9
     /F=32
     /DIR=C:\NWDOS
     C:\STACVOL.DSK,SW
     E:\STACVOL.DSK,SW

The CONFIG.SYS Stacker driver line was as follows:

     DEVICE=C:\STACKER\STACKER.COM C:\STACVOL.DSK E:\STACVOL.DSK

4.   Rem the Stacker drivers from CONFIG.SYS.  An example of the
Stacker drivers is shown:

     DEVICE=C:\STACKER\STACKER.COM C:\STACVOL.DSK
     DEVICE=C:\STACKER\SSWAP.COM C:\STACVOL.DSK /SYNC+

5.   Reboot your machine.  The reboot should show the STACKER 3.12
driver loading.

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