Intel
®
High Availability Storage User Guide
11
board connections. As an option, the expander is configured with a third four-lane port for cascaded
expanders, as shown in the following figure.
Figure 3 Intel
®
RAID High Availability Storage Expander Configuration
Note: Drive enclosures with dual ESM modules can support split modes or unified modes. For fault-
tolerant cabling configurations, you typically configure the enclosure in unified mode. (Check with
your drive enclosure vendor to determine the appropriate settings).
Setting Up a Cluster-in-a-Box Configuration
The CiB system design converges both server and storage by combining the processing power of multiple
servers with shared storage elements. A CiB system houses two servers and a common pool of direct
attached drives within one custom designed server enclosure. This server enclosure simplifies the setup
and deployment of two-node clusters because all necessary connections are preconfigured between the
servers and the drives, as shown in the following figure.
