What is Software RAID 5?
Software RAID 5 is a fault-tolerant volume that stripes data and parity across
multiple dynamic disks (from 3 to 32). Parity, a calculated value that can be used
to reconstruct data after a failure, is also striped across the disk array. When a
disk fails, system uses the parity information to re-create the data on the failed
Which operating systems support Software RAID 5?
Many users don’t understand why Windows 7 Software RAID 5 is grayed out. That’s
because Software RAID 5 only can be implemented in Windows Server operating systems,
including Windows 2000 Server, Windows Server 2003 and Windows Server 2008. Learn
how to create
Before setting up Software RAID-5 in your
Windows Server 2000/2003/2008/2011/2012, you need to be aware of the following
A minimum of three hard disk drives.
All disks involved in the Software RAID-5 volume must be converted
to dynamic disks.
Operating system files and boot files cannot reside on the Software RAID-5
Never mix a hardware-RAID solution and software RAID on the same disk.
Software RAID-5 volumes can not be expanded with Disk Management snap-in, but
you can use AOMEI Partition Assistant Server to expand
Windows Software RAID-5 Performance
Because of fault tolerance, administrators favor using RAID-5 volumes when data
integrity and data I/O speed are both important. Software RAID-5 volume provides
fault tolerance at a cost of one additional disk for the volume. This means that if
you use 3 x 1TB disks to create a Software RAID-5 volume, the volume will have a 2TB
capacity. The remaining 1TB is used for parity.
How to Manage Windows Software RAID-5?
AOMEI Partition Assistant Server is equipped with Dynamic Disk Manager wizard, which is award-winning and full-featured software RAID management solution, allowing you to you to resize
dynamic disk, extend
dynamic system partition, convert
dynamic disk to basic without losing data, expand
RAID-5 volume, extend
mirrored (RAID 1) volume, add drive
to RAID 5 and remove
drive from RAID 5, etc.
When there is a dynamic disk, you can run AOMEI Partition Assistant Server, click Dynamic Disk button to access the interface as the follwing screenshot for managing dynamic disks and volume.