SmartMon Incorrectly Reports Cache Status on Compressed Drive (95998)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q95998
The SMARTDrive Monitor (SMARTMON.EXE) provides an interface to the
performance of MS-DOS 6.0 and 6.2 SMARTDrive 4.1 and MS-DOS 6.22 SMARTDrive
6.22 SMARTDrive 5.01.
SMARTDrive Monitor may not work correctly with disk-compression software
such as DoubleSpace or Stacker.
Using SMARTDrive Monitor with DoubleSpace
If you try to turn on caching for a DoubleSpace-compressed drive by
typing the SMARTDRV.EXE command at the MS-DOS command prompt, you
receive an error message indicating that you must specify the host
drive rather than the compressed drive.
However, if you are using the SMARTDrive Monitor and you select the
compressed drive and then select the Cache Reads And Writes button,
this action is ignored and you do not receive an error message. When
SMARTDrive Monitor is reloaded, it defaults to no read or write cache
on the DoubleSpace-compressed drive.
Using SMARTDrive Monitor with Stacker
SMARTDrive Monitor defaults to drive C. If you have installed Stacker
and you are swapping drives, SMARTDrive Monitor reports zero cache
hits on drive C. To use SMARTDrive Monitor with Stacker, select your
Microsoft has confirmed this to be a problem in SMARTDrive Monitor
version 3.1. We are researching this problem and will post new
information here in the Microsoft Knowledge Base as it becomes
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