HP NonStop G-Series - Manual (Page 279)

HP NonStop Cluster Switch (model 6770)
An assembly that routes ServerNet messages across an external fabric of a ServerNet
cluster. The cluster switch consists of a ServerNet II Switch, an uninterruptible power
supply (UPS), and AC transfer switch, and it can be packaged in a switch enclosure or in
a 19-inch rack. The cluster switch is used with star, split-star, and tri-star topologies. See
also
HP NonStop Cluster Switch (model 6780) .
HP NonStop ServerNet Switch (model 6780)
The cluster switch used in the layered topology. The 6780 switch consists of a switch
logic board, a midplane, plug-in cards, power supplies, and fans.
See also HP NonStop Cluster Switch (model 6770) .
I
incident report (IR)
A report sent by the OSM software on the server to the OSM Notification Director on the
OSM system console . Incident reports notify you of changes that could directly affect the
availability of resources, changes in hardware configuration, and changes in software
configuration.
If authorized, the OSM Notification Director forwards incident reports to your service
provider. The three types of incident reports are
problem incident reports , software
configuration reports , and periodic incident reports .
indicator lights
Two lights on a CRU or FRU that indicate the status of the unit as follows:
The green indicator light is lit when the unit has proper power applied. ●
The red or amber indicator light is lit when the unit is not working properly.
During startup, this light can indicate that the unit is not yet functioning. ●
See also light-emitting diode (LED) .
initial discovery
Discovery of a NonStop server with which the or the OSM Service Connection has had
no prior contact and for which it has no locally saved information.
See also discovery .
internal ServerNet fabrics
The fabrics that link ServerNet devices within an HP NonStop" server.
See also external ServerNet fabrics .