Hitachi TrueCopy (TM) for Mainframe User Guide: HP XP24000 Disk Array, HP XP20000 Disk Array (T5211-96014, May 2011)

Figure 63 Failure Conditions (described in the following table)
Table 69 XP Disk Array Response Characteristics to Failure Conditions
FREEZE FunctionExpected MessagesTC for Mainfr. Pairs
Suspended?
Failure Condition
Not activatedNo IEA480, IEA491,
or IEA494 messages
are displayed.
NoFailure of all channel interfaces on the MCU
Not activated(1) IEA480 message
(SIM for physical
device blocked or port
of physical device
blocked) is displayed
when the next I/O is
issued to any volume
in the parity group.
(2) No IEA491 or
IEA494 messages are
displayed.
NoFailure of one physical
device in a parity
group
Failure of a disk on
the MCU
Not activated(1) IEA480 message
(SIM for LDEV
blocked) is displayed
when the next I/O is
issued to any volume
in the parity group.
(2) No IEA491 or
IEA494 messages are
displayed.
NoFailure of two physical
devices in a parity
group
218 Using PPRC Commands for TrueCopy for Mainframe