How to Increase RAID 5 Size without Data Loss?


RAID 5 is a kind of memory property, data security and combination with storage cost of storage solutions. RAID 5 can be regarded as a compromise project of RAID 0 and RAID 1. RAID 5 provides data security for system, but the degree of protection is lower than Mirror while utilization of disk space is higher than Mirror.


RAID 5 (block-level striping with distributed parity) requires at least three disks to distribute parity along with the data and requires that all drives but one be present to operate. The array is not destroyed by a single drive failure. On drive failure, any subsequent reads can be calculated from the distributed parity.


RAID 5 is employed to speed up disk access contributed by several hard disks becoming the most popular one. How to increase RAID 5 without data loss? It is well known to us that many third-party partition managers do not support RAID disk array, but fortunately, AOMEI Partition Assistant is available for users to do operations over RAID 5.

AOMEI Partition Assistant Server Edition is an all-in-one partition software for users who works on Windows Server 2003 and 2003 R2, Windows Server 2008 and 2008 R2 , Windows Server 2012 and 2012 R2, Windows Small Business Server 2003, 2008, 2011, Windows Home Server 2011, etc, which contains many basic and wonderful features, such as resize/move partition, wipe disk/partition, convert dynamic disk back to basic disk, dynamic volume management, migrate OS to SSD/HDD, and more.

It also supports to all hardware RAID levels, such as RAID 0, RAID 1, RAID 5, RAID 10, etc. Users can increase RAID 5 size with the help of Partition Assistant Server without data loss. Here is guidance for increase RAID 5 size.

Server Interface

Tips: For Windows 7 users, AOMEI Partition Assistant Pro Edition is the wonderful choice.