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      STACKER NOTE                                         STACKER NOTE
                    RESTART DURING OPTIMIZE, NOT MOUNTED
                          (Applies to Stacker 4.0)
      STAC FAX  4705 (03-17-1994)
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      BACKGROUND
      
      When Stacker mounts a Stacker drive it verifies the STACVOL file
      containing the compressed data.  If the Stacker Optimizer
      (SDEFRAG) was interrupted during the "Writing New directories..."
      stage of optimization, Stacker pauses the normal startup of your
      computer with a message like this:
      
        E: = C:STACVOL.DSK Restart during Stacker Optimizer detected -
        NOT MOUNTED
        Press any key to continue...
      
      SOLUTION
      
         - Determine the name of the STACVOL file
         - Run SDEFRAG to repair the drive
           
      Determine the name of the STACVOL file
      
      From a DOS prompt, go to the STACKER directory and type STACKER
      and press <Enter>.  Take note of the unmounted STACVOL file
      (C:\STACVOL.DSK in this example):
      
           Drive E: was drive E: at boot time [C:\STACVOL.DSK - Not
              mounted]
              
      Run SDEFRAG to repair the drive
      
       1.  Insert Stacker disk 2, change to that drive, and type the
           following:
              SDEFRAG /RESTORE=drive:\STACVOL.XXX
           where drive:\STACVOL.XXX  is the name of the STACVOL file
           you determined in the previous step.  There is no space
           between /RESTORE and the drive letter.
       2.  Let SDEFRAG repair the Stacker drive. Remove the Stacker
           disk and restart your computer.
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      Copyright 1994 Stac Electronics