Compaq ProLiant 1000 User Guide: Online Storage Controller Recovery Option - Page 26

Dual-Channel Configuration

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2-8 Functionality and Configuration Options This configuration rule is especially significant when the system boot device is connected to a controller pair. Because the boot device controller is selected during System Configuration by setting the Controller Order to First, no other controller can be used to boot the system. Therefore, the boot device controller must be given default access to the ProLiant Storage System after power is restored. Dual-Channel Configuration Dual-channel SMART-2 Array Controllers are capable of supporting two ProLiant Storage Systems. A controller pair can support a pair of ProLiant Storage Systems as long as the cabling is done properly. Figure 2-3 shows a logical diagram of such a configuration. When forming dual-channel controller pairs, both controllers must be dualchannel controllers. Do not attempt to use single-channel controllers such as the SMART-2SL in a dual-channel configuration.

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2-8
Functionality and Configuration Options
This configuration rule is especially significant when the system boot device is
connected to a controller pair. Because the boot device controller is selected
during System Configuration by setting the
Controller Order
to
First
, no other
controller can be used to boot the system. Therefore, the boot device controller
must be given default access to the ProLiant Storage System after power is
restored.
Dual-Channel Configuration
Dual-channel SMART-2 Array Controllers are capable of supporting two
ProLiant Storage Systems. A controller pair can support a pair of ProLiant
Storage Systems as long as the cabling is done properly. Figure 2-3 shows a
logical diagram of such a configuration.
When forming dual-channel controller pairs, both controllers must be dual-
channel controllers. Do not attempt to use single-channel controllers such as the
SMART-2SL in a dual-channel configuration.