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Red areas show fragmented files. Blue areas show contiguous (unfragmented) files. White areas show free space on the volume. White areas on an NTFS volume might also represent the MFT zone. For more information about the MFT zone, see 13, Working with File Systems. Green areas show files that cannot be moved. The green areas usually represent the paging file, but on NTFS volumes, green areas might also represent space used by the NTFS change journal and the NTFS log file.

Figure 5-7. Note the Client IP Address entry, which is 63.157.13.85 in this example. This value might change each time you connect, especially with a dial-up connection.

By comparing the Estimated disk usage before defragmentation band to the Estimated disk usage after defragmentation band, you can see the improvement in your volume after defragmenting. The defragmentation report provides further details on the fragmentation state of the volume. Analyze volumes regularly and defragment them when Disk Defragmenter recommends it.

Add the two remaining columns based on the diagram shown in Figure 8-2 Set the size of the ColorName nvarchar to 30 by typing 30 in the Data Type field When done, your table should look like the one shown in Figure 8-6..

28:

8 From a different computer using a different connection to the Internet,

Figure 28-2

The Disk Defragmenter command-line tool and the Disk Defragmenter snap-in both defragment volumes by using the same method. However, the command-line tool differs from the snap-in in the following ways:

The command does not provide a graphical analysis of a volume s fragmentation status, but it does provide a summary. The command does not provide a status indicator.

IP Address value you noted from your status dialog box. For this example, type ping 63.157.13.85. Press Enter.

To see a list of parameters for Defrag.exe, at the command prompt, type:

defrag /

To defragment a volume, specify the drive letter. For example, to defragment the C volume, type:

in Figure 5-8.

defrag c:

To defragment the C volume and view a detailed report that is similar to the report shown in the Disk Management snap-in, type:

From this point onward, for every tree control and every control that is a group (that is, has a + sign), I ll use the word expand instead of repeating the words click the + sign.

5

To analyze the C volume and view a detailed analysis report, type:

Part V:

While the command-line Disk Defragmenter is analyzing and defragmenting a volume, it displays a blinking cursor. When Disk Defragmenter finishes analyzing a volume, it displays the analysis report. When Disk Defragmenter finishes defragmenting a volume, it displays the defragmentation report. After the process completes, Disk Defragmenter exits to the command prompt. To interrupt the defragmentation process, at the command line, press CTRL+C. For more information about using Defrag.exe, see Windows XP Professional Help.

open the firewall log (located by default at C:\Windows\Pfirewall.log). You can see in the log that the ICMP traffic was dropped.

For best results when defragmenting volumes, follow these tips:

Before defragmenting a volume, delete any unnecessary files, such as temporary files. You can delete unnecessary files by using Disk Cleanup. For more information about Disk Cleanup, see Windows XP Professional Help. Defragment a volume before you add a large number of files to the volume, such as before you install programs. This ensures that the files occupy contiguous space and do not become fragmented after you add them. Defragment a volume after you delete a large number of files from the volume. Defragment a volume after you install programs on it. Defragment the system and boot volumes after installing Windows XP Professional. Defragment volumes during periods of low system activity.