Diskeeper 10 User's Manual

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52 Diskeeper Operation file on the volume that was defragmented (if it exists on the volume). This appears in the Windows Event Viewer as Diskeeper Event 17. This option is not enabled by default. On Windows 98/Me: When this option is enabled, an entry is made in the Diskeeper EventLog.txt file containing information as described above. This option is not enabled by default. For a description of information contained in the Description box, see page 22. Directory information On Windows NT, Windows 2000, Windows XP, and Windows Server 2003: When this option is enabled, an entry is made to the Event Log at the end of each defragmentation run showing information about the directories on the volume that was defragmented. This appears in the Windows Event Viewer as Diskeeper Event 18. This option is not enabled by default. On Windows 98/Me: When this option is enabled, an entry is made in the Diskeeper EventLog.txt file containing information as described above. This option is not enabled by default. For a description of information contained in the Description box, see page 22. MFT information On Windows NT, Windows 2000, Windows XP, and Windows Server 2003: When this option is enabled, an entry is made to the Event Log at the end of each defragmentation run showing information about the Master File Table (MFT) on the volume that was defragmented. (Keep in mind, since only NTFS volumes have an MFT, this information will only apply to NTFS volumes.) The entry appears in the Windows Event Viewer as Diskeeper Event 19. This option is not enabled by default. This option does not exist on Windows 98/Me machines, as MFT files are unique to Windows NT through Windows Server 2003. For a description of information contained in the Description box, see page 22. Display Behaviors Click Diskeeper Configuration Properties in the Diskeeper toolbar or the Configure Diskeeper task group in the Quick Launch pane, then select the Display Behaviors option to control the following option: TVE Display Enable this option to have Diskeeper display “before and after” volume maps when defragmenting volumes with the Terabyte Volume Engine (TVE). Because of the additional system overhead required to gather and display the volume map information, enabling this display can significantly increase the time required to complete a defragmentation job. (Note this option is only available in Diskeeper editions that support the TVE.) Power Management Click Diskeeper Configuration Properties in the Diskeeper toolbar or the Configure Diskeeper task group in the Quick Launch pane, then select the Power Management option to control the how Diskeeper operates on computers running on battery power. When this option is enabled and the computer is running on battery power, any scheduled defragmentation jobs are postponed, and a message noting this is written to the Windows Application Event Log. If you start a Manual Defragmentation Job when this option is enabled (and the computer is running on battery power), a message is displayed asking if you want to continue, even though running Diskeeper on battery power may reduce the available battery time. When this option is enabled and the computer switches from normal power to battery power, any ongoing scheduled analysis or defragmentation jobs are safely stopped and a message noting this is written to the
Diskeeper Operation 53 Windows Application Event Log. If you are running Diskeeper manually and the computer switches to battery power when this option is enabled, a message is displayed informing you that Diskeeper has stopped running. Using Power Management on Windows Server 2003 The Diskeeper Power Management option under Windows Server 2003 differs somewhat than on other platforms. This is due to the VSS Volume Shadowing functionality available in the Windows Server 2003 operating system. The Windows Volume Shadow Copy Service (VSS) provides the ability to create snapshots, or point-in-time (PIT) copies, of shares and volumes. These snapshots are images of the data on the disk as it looks at a particular point in time. By keeping these images of data, you can quickly recover individual files or entire volumes directly from the disk as they appeared when the snapshot was taken. Important Note: On volumes with a cluster allocation unit of less than 16 KB, VSS will see file movement done by the defragmentation process as "changed data" and take a point-in-time snapshot, even though only the location of the data has changed. Defragmentation on volumes with cluster sizes greater than 16 KB is correctly recognized by VSS and defragmentation jobs will not cause these unnecessary snapshots. Unnecessary snapshots will cause the VSS storage area to increases in size, possibly resulting in the deletion of earlier VSS snapshots. For this reason, Diskeeper gives you options to control the defragmentation process on systems with VSS enabled. See Microsoft Knowledge Base Article 312067 Shadow copies may be lost when you defragment a volume for more information. Diskeeper Corporation concurs with the Microsoft recommendation to use 16 KB or larger clusters on volumes on which you plan to both defragment and employ VSS. In addition to the basic option to stop defragmentation when running on battery power (as described above), you will also see these options when using the Power Management option on Windows Server 2003: • Defragment even if changes to the volume due to defragmentation are saved by VSS Shadow Copy Enabling this option can cause the VSS storage area to increase in size, potentially deleting earlier snapshots. • Show pop-up message when scheduled defragmentation cannot be started because of VSS Shadow Copy This option alerts you to cases where the defragmentation process cannot be started due to VSS activity. Permissions Note: This option is only available in Diskeeper Professional and Professional Premier editions, and is not supported on Windows 98/Me or Windows NT 4.0. Click Diskeeper Configuration Properties in the Diskeeper toolbar or the Configure Diskeeper task group in the Quick Launch pane, then select the Permissions option to specify whether users with non- Administrator accounts can access and run Diskeeper. In keeping with published Microsoft guidelines, by default, Diskeeper only allows users who are members of the Administrators group to analyze and defragment volumes. This option can be used to override that default. When this option is enabled, all users can access and run Diskeeper. When it is not enabled, only those users who are members of the Administrators group can access and run Diskeeper. Terabyte Volume Engine Diskeeper Server Enterprise edition includes the Terabyte Volume Engine (TVE), which is a specialized defragmentation engine for very large NTFS volumes (60 GB or larger in size). The TVE is designed to efficiently handle volumes containing millions of files. Note that the TVE is only used on NTFS volumes.
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User’s Manual Diskeeper ® for Wi
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Contents iii CONTENTS PREFACE WHAT
Page 5 and 6:
Contents v SETTING DISK AND CPU PRI
Page 7 and 8:
Preface vii Preface What This Book
Page 9 and 10:
Preface ix With Diskeeper, all the
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Preface xi This feature is included
Page 14 and 15: 2 Installation • Mirrored Disks
Page 16 and 17: 4 Installation 7. If the MMC is not
Page 18 and 19: 6 Installation 2. Highlight the Dis
Page 20 and 21: 8 Getting Started Quick Launch Pane
Page 22 and 23: 10 Getting Started Let’s Set It a
Page 24 and 25: 12 Getting Started You can run one
Page 26 and 27: 14 Overview of Diskeeper defragment
Page 28 and 29: 16 Overview of Diskeeper • When y
Page 30 and 31: 18 Diskeeper Operation Defragment B
Page 32 and 33: 20 Diskeeper Operation • Capacity
Page 34 and 35: 22 Diskeeper Operation • Overall
Page 36 and 37: 24 Diskeeper Operation Excess Direc
Page 38 and 39: 26 Diskeeper Operation [Excess Allo
Page 40 and 41: 28 Diskeeper Operation To access th
Page 42 and 43: 30 Diskeeper Operation To cancel (o
Page 44 and 45: 32 Diskeeper Operation Defragmentat
Page 46 and 47: 34 Diskeeper Operation You can also
Page 48 and 49: 36 Diskeeper Operation volumes for
Page 50 and 51: 38 Diskeeper Operation Start Time U
Page 52 and 53: 40 Diskeeper Operation • Perform
Page 54 and 55: 42 Diskeeper Operation If this opti
Page 56 and 57: 44 Diskeeper Operation extra proces
Page 58 and 59: 46 Diskeeper Operation Note: This f
Page 60 and 61: 48 Diskeeper Operation Reliability
Page 62 and 63: 50 Diskeeper Operation Use the Enab
Page 66 and 67: 54 Diskeeper Operation The TVE oper
Page 69 and 70: Theory of Operation 57 Chapter 5 Th
Page 71: Theory of Operation 59 No Operator
Page 74 and 75: 62 Diskeeper Editions This table sh
Page 76 and 77: 64 Answers to Frequently Asked Ques
Page 82 and 83: 70 Support Services European Suppor
Page 84 and 85: 72 Diskeeper and Group Policy Runni
Page 86 and 87: 74 Diskeeper and Group Policy These
Page 89 and 90: Remote Installation 77 Appendix E R
Page 91: Remote Installation 79 Setup.exe /s
Page 94 and 95: 82 Diskeeper as a Cluster-Aware App
Page 96 and 97: 84 Glossary central processing unit
Page 98 and 99: 86 Glossary fragmentation: The word
Page 100 and 101: 88 Glossary PATA: Parallel Advanced
Page 102 and 103: 90 Glossary single volume, often ca
Page 104 and 105: 92 Index internal..................
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