HP Z220 SFF Maintenance And Service Manual page 187

Disable BGI: No, Yes
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Select Size: Specify the size of the RAID array
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5. Click Next.
6.
A dialog warns you that if your Write Policy is set to:
Write Through, the configuration may result in slower performance.
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Always Write Back, the configuration will result in optimal performance, but there is a
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risk of data loss in the event of power failure.
Write Back with BBU and you do not have BBU installed, write back is only enabled
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when the battery has a sufficient charge, and that during a learning cycle the caching policy
will revert to write through until the learning cycle is complete.
7. Click Yes to accept the warning, then click Next.
8. Click Accept, then click Yes to save the configuration.
9. Click Yes to initialize the virtual drive you just created.
Configuring RAID on an LSI 9260-8i MegaRAID controller
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