13 cluster resources, 6770 switch module, Attributes – HP Integrity NonStop J-Series User Manual

Page 267: Switch module, Cluster resources, Resource objects in the bladecluster topology

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13 Cluster Resources

A ServerNet cluster is built using one of several topologies. The resource objects displayed in the
OSM Service Connection for a cluster differ depending on the topology of the ServerNet cluster.

ServerNet clusters using one of the

star topologies

are built with the HP NonStop Cluster Switch

(model 6770) and can support up to 24 nodes.

ServerNet clusters using the

layered topology

are built around the HP NonStop ServerNet Switch

(model 6780) and can support up to 64 nodes.

Resource Objects in the Layered Topology

Resource Objects in the Star Topologies

ServerNet Cluster

ServerNet Cluster

External ServerNet Fabric

External ServerNet Fabric

Switch Group

6780 Switch Module

Switch Logic Board

Switch PIC

Switch Port

Switch Node Port

Switch Power Supply

Switch Fan

6770 Switch Module

ServerNet II Switch

Switch-to-Node PIC

Switch-to-Switch PIC

AC Transfer Switch

UPS (6770 Switch Module)

Remote 6770 Switch

ServerNet Local Node

ServerNet Local Node

ServerNet Remote Node

ServerNet Remote Node

Resource Objects in the BladeCluster Topology

For NonStop BladeSystems and NS16000 series servers only, the

BladeCluster Solution

topology

provides a clustering topology that permits connectivity directly through the ServerNet switches in
the Blade enclosure or P-switches, without need for additional cluster switches. The objects displayed
in the OSM Service Connection when the system is a member of a BladeCluster include:

BladeCluster

Local Node

Remote Node

6770 Switch Module

A hardware assembly that provides connectivity for multiple nodes of a ServerNet cluster. The
6770 switch module is used in star, split-star, and tri-star topologies. The subcomponents of the
6770 switch module are the

ServerNet II Switch

, the

AC Transfer Switch

, and the

Uninterruptible

Power Supply (UPS)

.

Location in OSM tree: Under the External ServerNet Fabric (X and Y) objects.

Example: SwitchModule $ZZSMN.Y1

Attributes

Switch Module

Displayed in the Attributes tab and Attributes dialog box only if the value is
something other than OK.

Values

Service State

6770 Switch Module 267

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