User Guide

8 Intel® Integrated RAID Solution User Guide
You can configure an Integrated Mirroring Enhanced volume with up to 10 mirrored
disks. The following figure shows the logical view and physical view of an Integrated
Mirroring Enhanced volume with three mirrored disks. The firmware writes each mirrored
stripe to a disk and mirrors it to an adjacent disk. RAID 1E is another term for this type of
mirrored configuration.
Figure 3. Integrated Mirroring Enhanced with Three Disks
You can configure an Integrated Mirroring + Striping volume with an even number of
disks, ranging from a minimum of four disks to a maximum of ten disks. The following
figure shows the logical view and physical view of an Integrated Mirroring + Striping
volume with four mirrored disks. The firmware writes each mirrored stripe to a disk and
mirrors it to an adjacent disk. RAID 10 is another term for this type of configuration.
Figure 4. Integrated Mirroring + Striping with Four Disks
The Intel SAS-3 BIOS configuration utility (SAS-3 BIOS CU) enables you to create
mirrored volumes during initial setup and to reconfigure them in response to hardware
failures or changes in the environment.
Caution: The SAS3 BIOS CU deletes all existing data from the disks drives when you select them to
use for a mirrored volume.
3_00008-00
Physical ViewLogical View
Mirrored Stripe 1
Mirrored Stripe 2
Mirrored Stripe 3
Mirrored Stripe 4
Mirrored Stripe N
Mirrored Stripe 1
Mirrored Stripe 2'
Mirrored Stripe 4
Mirrored Stripe 5'
Mirrored Stripe N - 1'
+
Mirrored Stripe 1'
Mirrored Stripe 3
Mirrored Stripe 4'
Mirrored Stripe 6
Mirrored Stripe N
+
Mirrored Stripe 2
Mirrored Stripe 3'
Mirrored Stripe 5
Mirrored Stripe 6'
Mirrored Stripe N’
Physical ViewLogical View
Mirrored Stripe 1
Mirrored Stripe 2
Mirrored Stripe 3
Mirrored Stripe 4
Mirrored Stripe N
Mirrored Stripe 1
Mirrored Stripe 3
Mirrored Stripe 5
Mirrored Stripe 7
Mirrored Stripe N - 1
+
Mirrored Stripe 1'
Mirrored Stripe 3'
Mirrored Stripe 5'
Mirrored Stripe 7'
Mirrored Stripe N - 1'
+
Mirrored Stripe 2
Mirrored Stripe 4
Mirrored Stripe 6
Mirrored Stripe 8
Mirrored Stripe N
3_00009-00
+
Mirrored Stripe 2'
Mirrored Stripe 4'
Mirrored Stripe 6'
Mirrored Stripe 8'
Mirrored Stripe N’