Defrag: Error Writing Cluster nnn,nnn in CVF (But CVF Is OK) (100410)
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 Q100410
This information applies to both Microsoft DoubleSpace and Microsoft
DriveSpace. For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands
If you run Microsoft Defragmenter (Defrag) and your DoubleSpace
compressed volume file (CVF) is full or nearly full, Defrag reports
Error writing cluster nnn,nnn
Use a disk repair program to fix, and then run DEFRAG again.
If CHKDSK shows no problems and a surface scan utility, such as Symantec's
Norton Utilities Norton Disk Doctor (NDD.EXE), shows no problems, the error
message is occurring because Defrag is unable to write the information that
it has read. Defrag is trying to copy a cluster before moving it, but since
the DoubleSpace-compressed drive is too fragmented or full, there is no
space large enough to write the cluster.
To work around this problem:
• Increase the size of your DoubleSpace-compressed drive and then run
• Delete enough files to allow Defrag to run.
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