ATI Xpert 98 User Manual - Page 111

Partition and Format the Logical Drive, Migration

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Chapter 6: Technology Background 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 RAID 1: 2 drives Increases capacity Adds redundancy RAID 5: 3 to 6 drives* RAID 10: 4 drives Increases performance and capacity, adds redundancy RAID 0: 2 drives RAID 0: 3 drives JBOD: 2 to 6 drives RAID 5: 3 to 6 drives* RAID 10: 4 drives RAID 5: 4 drives* Increases capacity Increases performance and capacity, adds redundancy Increases performance and capacity, adds redundancy RAID 1: 2 drives RAID 10: 4 drives RAID 0: 2 drives RAID 5: 3 to 6 drives* RAID 10: 4 drives RAID 0: 4 drives Increases capacity, loses redundancy Increases performance and capacity Increases capacity, loses redundancy RAID 5: 4 to 6 drives* Increases capacity * Only with AMD Chipset SATA Controllers that support RAID 5. 105

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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.