Drive Arrays; Two Drive Arrays With Six Physical Drives; Attributes - Compaq Smart Array 221 User Manual

The same physical drives may also be arranged into separate arrays as illustrated
in Figure C-4. Both arrays may be handled by the same controller.
Drive 1
Drive Array 1
Daz-9-17.EPS
Figure C-4. Two Drive Arrays with six physical drives

Drive Arrays

Drive arrays on the Smart Array 221 Controller have several important

attributes:

A single array cannot span more than one Smart Array 221 Controller.
A single Smart Array 221 Controller can control multiple arrays.
Arrays must have at least one and may have up to 15 physical drives.
Arrays will consist of at least one and may have up to 32 logical drives
(maximum 32 logical drives per controller).
For maximum space efficiency, all drives in a single array should be the
same capacity.
Writer: Karen Hale Project: Compaq Smart Array 221 Controller User Guide Comments: 388541-001
Physical Drives
Drive 2 Drive 3 Drive 4
Logical
Drive 1
File Name: K-APPC.DOC Last Saved On: 11/5/98 1:40 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Drive 5 Drive 6
Drive Array 2 Logical
Drive 2
Compaq Smart Array 221 Controller User Guide
C-3