AMCC 3WARE 9500S Guía de usuario descargar pdf (Pagina 124)

Chapter 8. Configuring Units

114 3ware Serial ATA RAID Controller User Guide

The Protection profile enables write journaling; the Performance and

Balanced Profile disables it. The Balanced profile disables it only if no

BBU is present.

If write journaling is disabled and a BBU is present, then it is as if the

BBU was disabled for that unit.

•

Write cache disabled on degrade. In the event that a unit degrades, the

use of write cache can be disabled until the unit is rebuilt. Once the unit is

rebuilt, you must enable the write cache manually. The write cache will

not automatically reenable when the unit is rebuilt.

The Protection profile enables this feature, so that write cache is disabled

in the event a unit degrades; the Performance and Balanced profiles

disable this feature, so that write cache continues to be enabled.

Setting the StorSave Profile through 3DM

In 3DM, the StorSave Profile is a unit policy that can be set on the Controller

Settings

page.

To set the StorSave profile through 3DM

1 Choose

Management > Controller Settings from the menu bar in 3DM.

2In the

Unit Policies section of the Controller Settings page, select the

profile you want to use from the drop-down list in the StorSave column.

The page refreshes, and a message at the top confirms the change you

have made.

Setting the StorSave Profile through 3BM

In 3BM, the StorSave Profile is set on the Configure Disk Array screen.

To set the StorSave Profile through 3BM

1 At the main 3BM screen, select the unit by highlighting it and pressing

Enter.

An asterisk appears in the left-most column to indicate that it is selected.

2Tab to the

Maintain Unit button and press Enter.

3 On the pop-up menu, select

Configure and press Enter.

4In the

Configure Disk Array screen, Tab to the field StorSave Profile.

The current setting—Protection, Balanced, or Performance—is shown.

(The default setting is Protection.)

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AMCC 3WARE 9500S Guía de usuario Pagina 124