Chapter 3 Understanding Arrays, Disks and RAID Levels 27
Chapter 3 Understanding Arrays, Disks and RAID Levels 3.1 Understanding Arrays Arrays are several disks that are grouped together to improve either the performance or reliability
of a storage system. Because some RAID levels enhance performance while others improve
reliability, it is important to consider the user’s needs when planning an array configuration.
Note: It is highly recommended that this user manual be reviewed in its entirety before configuring arrays. Some of the advanced features of RAIDXpert2 (such as sparing options) must be understood by the user before creating arrays.