Advanced Data Guarding Option Software Reference Guide

System Setup
2-10 Compaq Advanced Data Guarding Option Software Reference Guide
COMPAQ CONFIDENTIAL
Writer: John Turner File Name: c-ch2 system setup
Codename: adg2 Part Number: 283954-001 Last Saved On: 5/22/02 12:42 PM
Table 2-1: Supported Stripe Sizes for a Given RAID Level
Fault-tolerance Level Supported Stripe Sizes (KB) Default (KB)
RAID 0 or 1+0 8, 16, 32, 64, 128, 256 128
RAID 5 or ADG 8, 16, 32, 64 16
Table 2-2: Optimum Stripe Size
Type of Server Application Suggested Stripe Size Change
Mixed read/write No change necessary - accept the default
value
Mainly read (such as
database or Internet
applications)
Change to a stripe size larger than the
default value
Mainly write (such as image
manipulation applications)
Change to a stripe size smaller than the
default value for RAID 5, RAID ADG
Change to a stripe size larger than the
default value for RAID 0, RAID 1+0
The procedure for changing the stripe size depends on the operating system.
Windows NT and Windows 2000
1. Double-click the ACU icon on the desktop.
2. Select the controller from the drop-down list on the main ACU screen.
3. Select the logical drive to be reconfigured in the configuration view window.
4. Click Migrate in the Logical Drive box.
5. Change the stripe size.
6. Click Done.
7. Select Save Configuration on the Controller menu.
8. Select Exit on the Controller menu.