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SDM manages definitions of sessions and SC sessions. They are defined for session IDs and volumes
by TSO command in the storage system.
TSO commands
The following settings concerning XRC operations are defined by the Time Sharing Option (TSO)
commands issued to the storage system from the host system.
Creation and deletion of pair volumes
Creation of utility volumes
Display of pair status
Display of session status
Display of utility volume status
Integration and withdrawal from the session
Recovery at the secondary site
Resuming suspended pairs
Start and end of the session
Suspending of pairs
For details on the TSO commands for Compatible XRC operations, see the IBM document DFSMS
Advanced Copy Services (SC35-0428- 1 9).
NOTE:
The last 2 digits of the IBM document number are the version. Version 18 is the version
of the Advanced Copy Services document for z/OS 1.13.
Resources that can be executed for each function
For the software in the Remote Web Console secondary window
The Remote Web Console secondary window shows all the resources in the storage system.
However, the functions described in this manual are only available to the resources that are assigned
to the account of users who log into Remote Web Console. Verify the resource group ID in the
Report Display dialog boxes, and then execute the operations for the resources assigned to the
user account. When you use the functions, the resources for each operation must satisfy the specific
conditions.
For details on user accounts, see the HP XP P9000 Remote Web Console User Guide. For details
on the conditions of the resources, see the HP XP P9000 Provisioning for Open Systems User
Guide or the HP XP P9000 Provisioning for Mainframe Systems User Guide.
Configuration
Compatible XRC operations require hosts and storage systems at the primary and secondary sites.
If operation at the secondary site is required, the secondary storage system (or systems) must be
capable of supporting the XRC workload. If the system at the primary site consists of several hosts,
a SYSPLEX timer is required in the primary host to provide a common time reference for the I/O
time-stamping function. The secondary host requires the SDM host software for remote copy
operations. The Compatible XRC feature needs to be installed in the primary storage system, and
the Remote Web Console is required at the primary site for setting XRC options.
The following shows the connection configuration of channel extenders for Compatible XRC
operations.
6
Overview of Compatible XRC
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