Re: Missing disk space
- From: "Dave Patrick" <DSPatrick@xxxxxxxxxxxxxxxx>
- Date: Sun, 17 Dec 2006 11:14:35 -0700
Consider that every file and directory listing (no matter what size) takes up at least one cluster. Slack space is the area between the end of the file and the end of the cluster. It can be calculated roughly by taking 1/2 of the drive's allocation unit (cluster size) times the number of files. This is the average wasted space. If you have a lot of small files then the wasted space figure could be larger.
From a command prompt at the root of the drive in question;chkdsk
to find out your cluster size (allocation unit)
NTFS is the native file system of Windows NT/2000/XP/2003/Vista and is always recommended.
http://support.microsoft.com/kb/314878
http://support.microsoft.com/kb/140365/
--
Regards,
Dave Patrick ....Please no email replies - reply in newsgroup.
Microsoft Certified Professional
Microsoft MVP [Windows]
http://www.microsoft.com/protect
"pcrowley203" wrote:
I am running Windows XP on a machine with a 32 gb disk. Performance has
degraded badly since the machine was new. The machine is used extensively
for web access and especially web-based gaming. The machine has Norton
Internet Security installed and running in real-time. I recently performed a
full scan, and no security threats were found. In "My Computer", XP
indicates that 28 gig is in use, leaving only about 4 gb free. Defrag also
seems to think that 28 gb is in use, and is unable to execute an effective
defrag because it sees only about 14% of the disk free. It also seems to
think that the files on the disk are badly fragmented. However, when I work
through all the files on the system either manually or using TreeSize, I am
told that only about 13 gb is in use. So 15 gig of disk appears to have gone
missing. Either Windows has lost track of it, or some stealthy application
has it tied up. Any idea how I can see how this disk space is being used and
free it up?
.
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