3 Deployment types
The following types of deployments are supported:
• Single domain
In a single domain deployment, one path exists from the disk enclosure to the host. In a
single domain deployment, only one I/O module in the disk enclosure is used
• Dual domain
In a dual domain deployment, two paths exist from the disk enclosure to the host. In a dual
domain deployment, both I/O modules in the disk enclosure are used. Because dual domain
deployments provide two paths to the storage, access is ensured, even in the event of device,
cable, or power failure. In dual domain environments, dual-port disk drives are required.
• Server attached (single or dual domain)
In a server attached deployment, the disk enclosure is connected to a controller card installed
in a server. Several models of controller cards are supported for use with this disk enclosure.
For more information, see the QuickSpecs for the disk enclosure.
• Controller enclosure attached (single or dual domain)
In a controller enclosure attached deployment, the disk enclosure is connected to a
rack-mounted array controller enclosure. The controller enclosure is then connected to the
server or network. Several models of array controller enclosures are supported for use with
this disk enclosure. For more information, see the QuickSpecs for the disk enclosure.
NOTE: Cabling illustrations are provided elsewhere in this guide, showing a variety of example
deployments. See (page 43).
20 Deployment types
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