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Microsoft KB Archive/106425

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DblSpace Msg: Cannot Install and New Drive Has No Free Space

Article ID: 106425

Article Last Modified on 11/22/1999



APPLIES TO

  • Microsoft MS-DOS 6.2 Standard Edition



This article was previously published under Q106425

SYMPTOMS

After DoubleSpace compresses a drive on your system, it may report there is a disk error on more than one drive, and that there are zero bytes free on the newly created drive. For example, after DoubleSpace has finished compressing drive C, you may receive the following series of error messages (each is displayed after choosing OK):

Dblspace has finished compressing this drive. However, some files were not compressed, because there was not enough disk space for more information press F1.

Dblspace cannot examine drive C: There is a disk error on drive C: To fix it type ScanDisk c: at the command prompt.

Dblspace cannot mount drive H: There is a disk error on drive H: to fix it, type ScanDisk H: at the command prompt.

Dblspace cannot examine drive H: There is not enough conventional memory to complete this operation for more information on freeing memory, see the MS-DOS 6 User's Guide.

Dblspace has created a new drive H: that contains 0.0 MB of uncompressed space.

CAUSE

DoubleSpace checks for the presence of Delete Sentry only when DBLSPACE.BIN is loaded in memory. Therefore, Delete Sentry causes the error noted above when you compress your first DoubleSpace drive.

This problem occurs because when DoubleSpace checks for free disk space, it does not take into account the hidden Delete Sentry directory.

When DoubleSpace reboots your computer, Delete Sentry is not loaded and there is insufficient space to compress your drive.

RESOLUTION

To work around this problem:

  1. Edit your AUTOEXEC.BAT file and remark out UNDELETE /SENTRY. For example:

          REM UNDELETE /SENTRY
  2. Restart your computer.
  3. Run DoubleSpace Uncompress. For example, type dblspace /uncompress c: at the MS-DOS command prompt and then press ENTER.
  4. Recompress drive C. For example, type dblspace /compress c at the MS-DOS command prompt and then press ENTER.
  5. Edit your AUTOEXEC.BAT file and restore the UNDELETE /SENTRY command.
  6. Restart your computer.



Additional query words: 6.20 compressed volume file (CVF) CIP unremark undelete sentry double space

Keywords: KB106425