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Parameter |
Description |
size=<n> |
Specifies the amount of disk space, in megabytes (MB), that the volume will occupy on each disk. If no size is given, the new volume takes up the remaining free space on the smallest disk and an equal amount of space on each subsequent disk. |
disk=<n>,<n>[,<n>,...] |
Specifies the dynamic disks on which the mirror volume is created. You need two dynamic disks to create a mirror volume. An amount of space that is equal to the size specified with the size parameter is allocated on each disk. |
align=<n> |
Aligns all volume extents to the closest alignment boundary. This parameter is typically used with hardware RAID logical unit number (LUN) arrays to improve performance. <n> is the number of kilobytes (KB) from the beginning of the disk to the closest alignment boundary. |
noerr |
For scripting only. When an error is encountered, DiskPart continues to process commands as if the error did not occur. Without this parameter, an error causes DiskPart to exit with an error. |
<n> |
<n> |
<n> |
,<n>,... |
<n> |
<n> |
Examples |
To create a mirrored volume of 1000 megabytes in size, on disks 1 and 2, type: |
create volume mirror size=1000 disk=1,2 |
create volume raid |
Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012 |
Creates a RAID-5 volume using three or more specified dynamic disks. After you create the volume, the focus automatically shifts to the new volume. |
Syntax |
create volume raid [size=<n>] disk=<n>,<n>,<n>[,<n>,...] [align=<n>] [noerr] |
Parameters |
Parameter |
Description |
size=<n> |
The amount of disk space, in megabytes (MB), that the volume will occupy on each disk. If no size is given, the largest possible RAID-5 volume will be created. The disk with the smallest available contiguous free space determines the size for the RAID-5 volume and the same amount of space is allocated from each disk. The actual amount of usable disk space in the RAID-5 volume is less than the combined amount of disk space because some of the disk space is required for parity. |
disk=<n>,<n>,<n>[,<n>,...] |
The dynamic disks on which to create the RAID-5 volume. You need at least three dynamic disks in order to create a RAID-5 volume. An amount of space equal to size=<n> is allocated on each disk. |
align=<n> |
Aligns all volume extents to the closest alignment boundary. Typically used with hardware RAID Logical Unit Number (LUN) arrays to improve performance. <n> is the number of kilobytes (KB) from the beginning of the disk to the closest alignment boundary. |
noerr |
For scripting only. When an error is encountered, DiskPart continues to process commands as if the error did not occur. Without this parameter, an error causes DiskPart to exit with an error code. |
<n> |
<n>,<n>,<n>[,<n>,...] |
size=<n> |
<n> |
<n> |
Examples |
To create a RAID-5 volume of 1000 megabytes in size, using disks 1, 2 and 3, type: |
create volume raid size=1000 disk=1,2,3 |
create volume simple |
Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012 |
Creates a simple volume on the specified dynamic disk. After you create the volume, the focus automatically shifts to the new volume. |
Syntax |
create volume simple [size=<n>] [disk=<n>] [align=<n>] [noerr] |
Parameters |
Parameter |
Description |
size=<n> |
The size of the volume in megabytes (MB). If no size is given, the new volume takes up the remaining free space on the disk. |
disk=<n> |
The dynamic disk on which the volume is created. If no disk is specified, the current disk is used. |
align=<n> |
Aligns all volume extents to the closest alignment boundary. Typically used with hardware RAID Logical Unit Number (LUN) arrays to improve performance. <n> is the number of kilobytes (KB) from the beginning of the disk to the closest alignment boundary. |
noerr |
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