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This operation enables you to verify the logical integrity of a file system on a volume (for FAT16/32
and NTFS file systems) and repair any errors found.
Hard disk volumes should be checked before configuring any operation on them—see Precautions (p.
21).
Acronis Disk Director does not perform the checking itself, rather it launches the Check Disk tool
(Chkdsk.exe) included in Windows operating system.
To check a volume
1. Right-click the volume whose file system you need to check, and then click Check.
2. To find and fix errors (if any), select the Fix found errors check box.
3. To locate bad sectors and recover readable information, select the Try to fix found bad sectors
check box.
4. Click OK to run the volume check. If the volume contains a very large number of files—for
example, millions—the check can take a long time to complete. The results of the operation will
be displayed in a separate window.
Note: If the volume is in use, the tool can only check it for errors, but cannot repair them. The checking and
fixing of errors on this volume will be performed the next time you restart the system.
6.20 Defragmenting a volume
This operation is enabled in Windows operating systems, and is disabled under bootable media.
Defragmentation increases the system performance by consolidating fragmented files on a volume.
Fragmentation occurs when the operating system cannot allocate enough contiguous space to store
a complete file as a unit and thus, writes different pieces of a file in gaps between other files. The
defragmentation rearranges pieces of each file as close together and contiguously as possible,
minimizing the time required to access it.
Acronis Disk Director does not perform defragmentation itself, rather it launches the Disk
Defragmenter tool (Defrag.exe) included in Windows operating system.
To defragment a volume
1. Right click the volume you need to defragment, and then click Defragment.
2. In the Defragmentation window, click OK to start defragmenting the volume.
Depending on the amount of fragmented files, the defragmentation may take a long time to
complete. The results will be displayed in a separate window.
6.21 Changing a cluster size
Changing a cluster size of a volume affects the amount of free/used disk space.
Smaller cluster sizes allow for more efficient storage of smaller files by reducing the amount of
wasted disk space. Furthermore, larger files may become more fragmented across the volume,
increasing the amount of time that is needed to access them.
Bigger cluster sizes improve performance by decreasing the time to access to larger files. However,
having a bigger cluster size wastes disk space if the typical size of the files stored on the volume is
smaller than the cluster size.
- Acronis® Disk Director® 11 1
- Advanced Server 1
- Table of contents 3
- 1 Introducing Acronis 6
- Disk Director 6
- Advanced 6
- 3 Installation and upgrade 9
- 3.1.4 Supported media 10
- 3.1.5 Licensing policy 10
- 3.2 Installation 11
- Preparation 12
- 3.5 Technical Support 14
- 4 Basic concepts 15
- 4.2 Types of basic volumes 16
- Striped volume 17
- Mirrored volume 17
- RAID-5 volume 17
- Active volume 18
- System volume 18
- Boot volume 18
- When misalignment occurs 19
- 5 Getting started 21
- 1. Navigation pane 22
- 2. Actions and tools pane 23
- 3. Main area 23
- 4. Menu 23
- Toolbar 23
- Pending operations 24
- Undoing pending operations 25
- 5.4.1.2 Disk layout 25
- Disk statuses 26
- Volume statuses 26
- Way of working with tasks 27
- Actions on tasks 27
- 5.4.2.1 Task states 28
- 5.4.3 "Log" view 29
- 5.4.4 Console options 31
- 5.4.5 Machine options 32
- 5.5 How to 33
- 6 Volume operations 35
- 6.2 Resizing a volume 37
- 6.3 Copying a volume 38
- 6.4 Moving a volume 39
- 6.5 Merging basic volumes 40
- 6.6 Formatting a volume 41
- 6.7 Deleting a volume 42
- 6.8 Splitting a volume 42
- To split a volume 43
- To change a volume label 43
- To change a drive letter 44
- 6.15 Adding a mirror 46
- 6.16 Removing a mirror 47
- To break a mirrored volume 48
- To check a volume 49
- To defragment a volume 49
- To change cluster size 50
- FAT16 to FAT32 and back 50
- Ext2 to Ext3 and back 50
- To change a file system 50
- 6.23 Hiding a volume 51
- 6.24 Unhiding a volume 51
- To repair RAID-5 volume 52
- To specify i-node density 52
- 7 Disk operations 54
- 7.2 Basic disk cloning 55
- Using advanced options 56
- To convert a GPT disk to MBR 57
- System disk conversion 58
- Boot disk conversion 59
- To make a disk online 60
- To import foreign disks 60
- 7.11 Cleaning up a disk 61
- 8 Tools 63
- PE-based bootable media 64
- Linux-based bootable media 64
- Kernel parameters 66
- Linux commands and utilities 69
- 8.3 Acronis Disk Editor 71
- Using controls 72
- 8.3.3 Editing disks 73
- 8.3.4 View 74
- 8.3.5 Search 74
- 8.3.6 Usage examples 75
- Step 2. Restoring MBR 76
- 8.3.6.3 Wiping disk data 77
- ...OLF 78
- 9.1 Supported commands 79
- 9.2 Usage examples 81
- 10 Glossary 82
- Boot sector 83
- Bootable media 83
- Booting 83
- Cluster 84
- Cylinder 84
- Defragmentation 84
- Disk group 84
- Disk type 85
- Drive letter 85
- Dynamic disk 85
- Fault tolerance 86
- Dynamic volume 86
- Partition type 90
- Partitioning 90
- Partitioning scheme 90
- Physical disk 91
- Primary partition 91
- Primary volume 91
- Root folder 91
- System folder 93
- Unallocated space 93
- Volume label 94
- Volume letter 94
- Volume type 94
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