HP XP P9000 Continuous Access Synchronous for Mainframe Systems User Guide

DescriptionItem
Order for the current pair to be created among all pairs being created. Options are from 1
to 256.
Priority
For the details of the scheduling order of the initial copy for which the Priority is set, refer to
“Priority for initial copy operations and scheduling order” (page 38).
Method for managing differential data. Options are Auto, Cylinder, Track.Difference Management
Options for whether CFW data is copied to the S-VOL.CFW Data
Options for whether the main system suspends the pair if the remote system cannot run DFW
(DASD fast write) to the S-VOL.
DFW to S-VOL
• DFW required: the pair is suspended when DFW data to the S-VOL is blocked.
• DFW not required: the pair is not suspended when DFW data to the S-VOL is blocked.
Where you specify whether or not the host I/O time stamp is transferred from P-VOL to S-VOL.Time Stamp
Suspend Pair dialog box
Use this dialog box to suspend a pair.
See “Suspending pairs” (page 68) for complete information.
DescriptionItem
The selected volume’s LDKC number, CU number, LDEV number.Volume
When this option is enabled (and PPRC support by host = Yes), the MCU will notify all attached
hosts (IEA494I message) that the pair was suspended. This option should always be enabled.
SSB [F/M=FB]
Option that allows write I/O to the P-VOL when the pair is suspended. Relates to whether
you need to keep the P-VOL online or keep the pair synchronized. Options are S-VOL and
P-VOL Failure.
Suspend Kind
Resume Pair dialog box
Use this dialog box to resynchronize a pair.
Suspend Pair dialog box 159