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 Chapter 7 on page 45.
D2600/D2700 Disk Enclosure User Guide 21
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