User manual

Chapter 6: Technology Background
105
Partition and Format the Logical Drive
Like any other type of fixed disk media in your system, a RAID logical drive must
also be partitioned and formatted before use. Use the same method of
partitioning and formatting on a logical drive as you would any other fixed disk.
See “Appendix B: Partition and Format” on page 111.
Migration
Migration is the process of:
• Changing the RAID level of an existing logical drive
• Adding more physical drives to a logical drive while keeping the same RAID
level
See “Migrating a Logical Drive” on page 71 for instructions.
You can change the RAID level of a logical drive with certain combinations of
RAID level and number of physical drives, as described in the table below.
From To Result
RAID Ready: 1 drive RAID 0: 2 to 6 drives Increases capacity
RAID 1: 2 drives Adds redundancy
RAID 5: 3 to 6 drives* Increases performance
and capacity, adds
redundancy
RAID 10: 4 drives
JBOD: 2 to 6 drives Increases capacity
RAID 0: 2 drives RAID 5: 3 to 6 drives* Increases performance
and capacity, adds
redundancy
RAID 10: 4 drives
RAID 0: 3 drives RAID 5: 4 drives* Increases performance
and capacity, adds
redundancy
RAID 1: 2 drives RAID 0: 2 drives Increases capacity,
loses redundancy
RAID 5: 3 to 6 drives* Increases performance
and capacity
RAID 10: 4 drives
RAID 10: 4 drives RAID 0: 4 drives Increases capacity,
loses redundancy
RAID 5: 4 to 6 drives* Increases capacity
* Only with AMD Chipset SATA Controllers that support RAID 5.