HP XP7 Storage - Manual (Page 127)

online and offline devices, but the host system does not generate console messages for offline
devices. Therefore, the IEA494I message is never generated with an S-VOL device address.
•
The MCU reports SCI for all P-VOLs that are in the SCP state due to the CGROUP/FREEZE
command. The following example shows an IEA494I message indicating the extended long
busy state:
IEA494I 0FC3,RD0FC3,PPRC PAIR SUSPENDING,SSID=0FC0,CCA=03, EXTENDED
LONG BUSY STATE
•
The MCU reports SCI for all P-VOLs that are split due to the CGROUP/FREEZE command. This
IEA494I message indicates the extended long busy state.
•
When the FREEZE option is enabled, the MCU reports SCI for a pair that is split due to a
failure. When the host supports GDPS, this IEA494I message with extended long busy triggers
the CGROUP (FREEZE/RUN) command.
IEA491E message
When a pair is split due to a failure, the MCU reports SCI and unit check status and sense bytes
with F/M = FB. In response to the F/M=FB sense bytes, the IEA491E system console message is
generated (if supported by the host). The following is an example of an IEA491E message:
IEA491E DSLFC0,PPRC SUSPENDED, SECONDARY NOT READY,
INTERVENTION_REQUIRED,(PRI)SER=0113-90797,CCA=00 (SEC)SER=0113-90217,CCA=
If the host supports GDPS and the FREEZE option is enabled, the IEA494I system console message
with extended long busy (which was generated in response to the SCI) triggers the CGROUP
(FREEZE/RUN) command.
XP7 response characteristics to failure conditions
XP7 supports CGROUP in the GDPS environment by performing PPRC compatible actions and
returning PPRC compatible messages according to failure conditions.
In Remote Web Console’s Change CU Options window, PPRC support by host =, must be enabled
(Yes). If it is disabled (No), the host processor generates a system console message that includes
the SIM instead of the IEA494I or IEA491E message.
The following figure shows failure conditions, with corresponding XP7 response characteristics in
the table following the figure.
IEA494I and IEA491E console messages 127