Hitachi Compute Blade 2000 User Manual page 411

When Write Back with BBU is set as Write policy to the
equipment without a cache backup module installed (*1),
click No in the following screen. Clicking No returns to the
screen shown in Step 9 and then set it again.
When Write Back with BBU is set as Write policy to the
equipment with a cache backup module installed (*2) and
the cache backup module status is checked, the following
screen appears. Click Yes.
(*1): None is shown for Battery Backup in the Properties:
Controller properties submenu 2.
(*2): Present is shown for Battery Backup in Properties:
Controller properties submenu 2.
The following screen appears after Yes is clicked.
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