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2 Requirements and restrictions
This topic provides system requirements and restrictions for using Compatible XRC.
System requirements
The Compatible XRC system requirements are:
Primary host
If the system in 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.
Secondary host
The secondary host requires the System Data Mover (SDM) host software for remote copy
operations.
Primary XP P9500
The Compatible XRC program product must be installed in the primary XP P9500.
When the controller emulation type is 2105 or 2107, the Compatible XRC program product
must be installed.
Secondary XP P9500
The XP P9500 is not required as a secondary storage system. The secondary disk array does
not have to be the same make and model as the primary. The installation of the Compatible
XRC program product is not required for the secondary storage system.
Communication path connection
◦
If a director (such as Ultranet) is used for connection, the maximum distance between the
primary disk array and secondary host is 20 km.
◦
If a director and repeater are used for connection, the maximum distance between the
primary disk array and secondary host is 40 km.
◦
If a channel extender is used for connection, no restriction is applied to the distance
between the primary disk array and secondary host.
The following channel extender is supported.
CNT Ultranet Storage Director (ATM, IP connections). Line type: ATM lines (Up to 135
Mbps), IP lines (500 Mbps).
Remote Web Console
You must have Remote Web Console at the primary site. The web browser is required to
operate Remote Web Console Java application including the Compatible XRC program
product. Additionally, the license key code is required to use the Compatible XRC program
product.
For instructions on installing and using Remote Web Console and the Compatible XRC program
product, see the HP XP P9000 Remote Web Console User Guide.
Requirements and restrictions for Compatible XRC
Supported XRC functions in XRC2 and XRC3
The following table lists the supported Compatible XRC features in IBM XRC functions (XRC2 and
XRC3).
8
Requirements and restrictions
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