Interconnect States - HP NetServer AA 4000 Administrator's Manual

Chapter 2
State Description
Active Indicates that the IOP is a fully active member of the server configuration. In this state, the
IOP serves I/O requests from any active CE(s) and participates fully in all fault handling
events. The IOP remains in this state until it is shutdown, disabled, or removed from the
configuration as the result of a system failure.
Faulted Indicates that the server removed the IOP from operation as a result of one or more faults that
were attributed to the IOP. The IOP remains in this state until it is repaired and an Endurance
Manager IOP Enable command is issued.
Disabled Indicates that you issued an Endurance Manager IOP Disable command to remove the IOP
from operation. The IOP remains in this state until it is enabled using an Endurance Manager
IOP Enable command.
Shutdown Indicates that the IOP is being shut down either because you issued an Endurance Manager
IOP Shutdown command, or because a fault occurred that requires the server to remove the
IOP from the configuration. The IOP remains in this state only as long as it takes to properly
shut down the Windows NT operating system on the IOP.

Interconnect States

There are two types of Interconnects: an IL (IOP link) that connects one IOP to the other IOP,
and an ESI (HP NetServer AA System Interconnect) that connects an IOP to the CE.
The IL cables provide a path for communicating system states and status information. This path
also provides the mirror copy data path.
The Interconnect states are:
State Description
Offline Indicates that the Interconnect is not in use by the server, but is available for use. The
Interconnect typically transitions to ready from this state.
Ready Indicates that the Interconnect was activated by an IOP and is waiting for the component (CE
or IOP) at the other end of the interconnect to also activate the Interconnect. Then, it
transitions to online.
Online Indicates that the Interconnect is in use and communication can be performed between the
server components connected by it. The Interconnect remains in this state until the server
activates the remote component. Then, the Interconnect transitions to active.
Table 2-5 IOP States (Continued)
Table 2-6 Interconnect States
HP NetServer AA Overview
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