Dell PowerVault 745N User Manual

Page 68

Hardware RAID on external drives requires that you install the PERC 4/SC or 4/DC RAID controller. See "

Installing an Expansion Card

." When utilizing hardware

RAID on external drives, you can run only software RAID on the internal drives, which requires a daughter card. See "

Installing a Daughter Card

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NOTE:

In a configuration that uses hardware RAID on external drives, the only internal drives you can use are drive 0 and drive 1. These drives contain

the operating system and a mirror of the operating system, respectively. Do not use these drives to store data.