Logical path control function, For monitoring events and errors, Functionalities dependent on the storage system – HP XP Racks User Manual
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Logical Path Control function
This function establishes and deletes inter-disk controller logical paths or inter-control unit logical
paths. It creates an environment for paths required for operations from the primary site to Business
Continuity Manager.
For monitoring events and errors
•
YKEWAIT
This monitors status changes for copy pairs in the specified copy group, waiting for the specified
status to be reached. The execution results are saved in the message structure. This enables
statuses to be monitored for Continuous Access Journal Z and remote site copy pairs.
•
YKWATCH
This monitors the copy pair status transition for a specified copy group. It sends a notification
message when all the copy pairs have been placed in a specified status. The status of
Continuous Access Journal Z copy pairs or copy pairs on remote sites cannot be monitored.
Functionalities dependent on the storage system
Availability of some functions depends on the model of the storage system.
lists
the functions whose availability depend on the storage system.
NOTE:
When using the Remote DKC Control function, the functions that can be used on the
secondary site match the functions that can be used on the primary site.
Table 9 List of functionalities dependent on the storage system
Related sections
XP7
XP P9500
XP24000/XP20000
XP12000/XP10000
Function name
“Products that can be
controlled by Business
Yes
Yes
Yes
Yes
Continuous Access
Journal Z
operation
“Products that can be
controlled by Business
No
No
Yes
Yes
TrueCopy
Asynchronous
operation
“Inter-disk controller
logical paths” (page 114)
Yes
Yes
Yes
Yes
Inter-disk controller
logical path
1
YKSUSPND
Command
2
Yes
Yes
Yes
Yes
FLUSH-specified
suspend (FLUSH
parameter
specification for
the YKSUSPND
command)
Executing YKQRYDEV
3
Yes
Yes
Yes
Yes
Display of
command device
information APID
(YKQRYDEV
command)
Copy Group Attributes
Panel (TCA)
3
No
4
No
4
No
4
No
4
Flow control
function for the
sidefile when the
C/T Group option
Inflow Control is
disabled (FLOW
CTL)
Functionalities dependent on the storage system
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