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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M. naging. Server.Storage

. a. . . . . . . . . .

Figure 3.12

The Disk Defragmenter's Analysis Report dialog box.

On NTFS volumes, Windows Server 2003 reserves a portion of the free space for a

system file called the Master File Table (MFT). The MFT is where Windows stores

all the information it needs to retrieve files from the volume. Windows stores part

of the MFT at the beginning of the volume and Windows reserves the MFT for

exclusive use, so the Disk Defragmenter cannot and does not move files to the

beginning of volumes.

The Chkdsk and ChkNTFS

Command-Line Tools

The chkdsk.exe command-line utility runs diagnostic tests on the file system

for a drive letter and generates a report. It also corrects file-system errors

when you use the /f option. If the computer is powered down suddenly due

to a loss of power, Windows Server 2003 marks each drive volume as "dirty"

by setting the dirty bit on each drive volume. When the system restarts,

chkdsk.exe automatically runs for each drive volume marked as dirty. For sys-

tem and boot partitions and volumes, you can specify for chkdsk.exe to run

during the next restart by typing the command chkntfs /c at a command

prompt. Extensive help information is available for both chkdsk.exe and

chkntfs.exe utilities by simply typing chkdsk /? or chkntfs /? at any command-

prompt window.