RAID Configuration
Below are the different types of a RAID.
RAID 0 breaks the data into blocks which are written to separate hard drives.
Spreading the hard drive I/O load across independent channels greatly
improves I/O performance.
RAID 1 provides data redundancy by mirroring data between the hard drives and
provides enhanced read performance.
RAID 5 provides data striping at the byte level and also stripe error correction
information. This results in excellent performance and good fault tolerance.
RAID 10 uses four hard drives to create a combination of RAID 0 and 1 by forming a
RAID 0 array from two RAID 1 arrays.
RAID level comparison
RAID 0 RAID 1 RAID 5 RAID 10
Minimum # drives 2 2 3 4
Data protection None Excellent Excellent Excellent
Read performance Excellent OK Good OK
Write performance Excellent Good OK Good
Capacity utilization 100% 50% 67%~(1-1/n) 50%
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Important
All the information/ volumes/ pictures listed in your system might differ from the
illustrations in this appendix.
Enabling Intel® Rapid Storage Technology
1. Power on and press Delete key to enter BIOS Setup menu.
2. Press F7 to switch to Advanced mode from EZ mode.
3. Go to BIOS > SETTINGS > Advanced > Integrated Peripherals > SATA Mode and
change setting to RAID/ Optane Mode.
4. Skip this step If you are only using SATA storage devices. If you are using NVMe
PCIe SSDs, go to BIOS > SETTINGS > Advanced > Integrated Peripherals > M2_x
Pcie Storage Remapping and change setting to Enabled.
5. Press F10 to save configuration and exit, and then reboot and press Delete key to
enter BIOS Setup menu.
6. Go to BIOS > SETTING > Advanced > Intel(R) Rapid Storage Technology sub-
menu.
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RAID Configuration
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