4.3.2.5 Zone
Table 4–11 describes the OpenVMS operating system actions taken when an
entire zone is identified as the FRU and is deconfigured by the EHS. Note that
some actions are dependent on the system operating mode.
Table 4–11 Zone Deconfiguration Actions
Action Taken
Description
Comments
Cross-link mode =
off
The cross-link mode is set to off.
The system will continue in Simplex
mode. The action may be taken by
the hardware when the error occurs
or by software while handling the
error.
Done only in non-Simplex
mode.
CPU/MEM fault
A CPU/MEM fault is forced on the
failed zone. This results in an entry
into system console.
Done when the error occurs
in Duplex, Simplex or in the
master zone of a Degraded
Duplex system.
Zone hard reset
A zone hard reset is issued to the
failed zone.
Done only in the slave zone
of a Degraded Duplex or
Resynch mode system.
4.3.2.6 Cross-Link Cable
Table 4–12 describes the OpenVMS operating system actions taken when the
cross-link cable is identified as the FRU and is deconfigured by the EHS. The
cross-link cable is active only during non-Simplex modes.
Table 4–12 Cross-Link Cable Deconfiguration Actions
Action Taken
Description
Comments
Cross-link mode =
off
The cross-link mode is set to off.
The system will continue in Simplex
mode. The action may be taken by
the hardware when the error occurs
or by software while handling the
error.
Done only in non-Simplex
modes.
CPU/MEM fault
A CPU/MEM fault is forced on Zone
B. This results in an entry into
system console.
Done only when the error
occurs in Duplex mode.
Zone hard reset
A zone hard reset is issued to the
slave zone.
Done in the slave zone when
the error occurs in Degraded
Duplex or Resynch mode.
4–16 Error Handling and Analysis