D-Link DNS-1250-04 Acronis Backup Software User Manual for DNS-1250-04 - Page 115

Volume operations, Creating a volume, Types of dynamic volumes

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5.9.7 Volume operations Acronis Disk Director Lite includes the following operations that can be performed on volumes:  Create Volume - Creates a new volume with the help of the Create Volume Wizard.  Delete Volume - Deletes the selected volume.  Set Active (p. 119) - Sets the selected volume Active so that the machine will be able to boot with the OS installed there.  Change Letter (p. 119) - Changes the selected volume letter  Change Label (p. 120) - Changes the selected volume label  Format Volume (p. 120) - Formats a volume giving it the necessary file system Acronis Disk Director Lite must obtain exclusive access to the target volume. This means no other disk management utilities (like Windows Disk Management utility) can access it at that time. If you receive a message stating that the volume cannot be blocked, close the disk management applications that use this volume and start again. If you can not determine which applications use the volume, close them all. 5.9.7.1 Creating a volume You might need a new volume to:  Recover a previously saved backup copy in the "exactly as was" configuration;  Store collections of similar files separately - for example, an MP3 collection or video files on a separate volume;  Store backups (images) of other volumes/disks on a special volume;  Install a new operating system (or swap file) on a new volume;  Add new hardware to a machine. In Acronis Disk Director Lite the tool for creating volumes is the Create volume Wizard. Types of dynamic volumes Simple Volume A volume created from free space on a single physical disk. It can consist of one region on the disk or several regions, virtually united by the Logical Disk Manager (LDM). It provides no additional reliability, no speed improvement, nor extra size. Spanned Volume A volume created from free disk space virtually linked together by the LDM from several physical disks. Up to 32 disks can be included into one volume, thus overcoming the hardware size limitations, but if at least one disk fails, all data will be lost, and no part of a spanned volume may be removed without destroying the entire volume. So, a spanned volume provides no additional reliability, nor a better I/O rate. Striped Volume A volume, also sometimes called RAID 0, consisting of equal sized stripes of data, written across each disk in the volume; it means that to create a striped volume, a user will need two or more dynamic disks. The disks in a striped volume don't have to be identical, but there must be unused space available on each disk that you want to include in the volume and the size of the volume will depend on the size of the smallest space. Access to the data on a striped volume is usually faster than access to the same data on a single physical disk, because the I/O is spread across more than one disk.

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5.9.7
Volume operations
Acronis Disk Director Lite includes the following operations that can be performed on volumes:
Create Volume - Creates a new volume with the help of the Create Volume Wizard.
Delete Volume - Deletes the selected volume.
Set Active (p. 119) - Sets the selected volume Active so that the machine will be able to boot with
the OS installed there.
Change Letter (p. 119) - Changes the selected volume letter
Change Label (p. 120) - Changes the selected volume label
Format Volume (p. 120) - Formats a volume giving it the necessary file system
Acronis Disk Director Lite must obtain exclusive access to the target volume. This means no other disk
management utilities (like Windows Disk Management utility) can access it at that time. If you receive a
message stating that the volume cannot be blocked, close the disk management applications that use this
volume and start again. If you can not determine which applications use the volume, close them all.
5.9.7.1
Creating a volume
You might need a new volume to:
Recover a previously saved backup copy in the “exactly as was” configuration;
Store collections of similar files separately — for example, an MP3 collection or video files on a
separate volume;
Store backups (images) of other volumes/disks on a special volume;
Install a new operating system (or swap file) on a new volume;
Add new hardware to a machine.
In Acronis Disk Director Lite the tool for creating volumes is the
Create volume Wizard
.
Types of dynamic volumes
Simple Volume
A volume created from free space on a single physical disk. It can consist of one region on the
disk or several regions, virtually united by the Logical Disk Manager (LDM). It provides no
additional reliability, no speed improvement, nor extra size.
Spanned Volume
A volume created from free disk space virtually linked together by the LDM from several physical
disks. Up to 32 disks can be included into one volume, thus overcoming the hardware size
limitations, but if at least one disk fails, all data will be lost, and no part of a spanned volume may
be removed without destroying the entire volume. So, a spanned volume provides no additional
reliability, nor a better I/O rate.
Striped Volume
A volume, also sometimes called RAID 0, consisting of equal sized stripes of data, written across
each disk in the volume; it means that to create a striped volume, a user will need two or more
dynamic disks. The disks in a striped volume don’t have to be identical, but there must be unused
space available on each disk that you want to include in the volume and the size of the volume
will depend on the size of the smallest space. Access to the data on a striped volume is usually
faster than access to the same data on a single physical disk, because the I/O is spread across
more than one disk.