Hitachi Extended Remote Copy for Mainframe user guide (HITA738-96004, June 2008)
NOTE:
The following channel extender is supported. Channel extender: CNT Ultranet Storage Director
(ATM, IP connections) Line type: ATM lines (Up to 135 Mbps), IP lines (500 Mbps)
• XP Remote Web Console PC
You must have an XP Remote Web Console PC at the primary site. To use the XP Remote Web
Console applet programs including XRC for Mainframe, you must have a web browser. A license
key code is also required for using the XRC for Mainframe program product. For details on how
to install and use an XP Remote Web Console PC, see the HP StorageWorks XP Remote Web
Console user guide: HP XP12000 Disk Array, HP XP10000 Disk Array, HP 200 Storage
Virtualization System.
Requirements and Restrictions for Using XRC for Mainframe
Supported Functions
The following table shows the features supported by XRC for Mainframe and whether they are supported
in XRC functions (XRC2 and XRC3).
Table 2 Features Supported by XRC for Mainframe
XRC3XRC2DescriptionFeature
SupportedSupported
Sidefile threshold tuning feature for each
logical volume
DEV blocking
SupportedNot supported
Differential copy feature for unplanned outage
achieved by the differential bit management
in the disk subsystem
Unplanned outage
SupportedNot supported
Alternate path retry feature for CNT USD*
1
connections
CNT MULTI path
Supported *
2
Not supportedFix or Float of Utility DEV setting featureFix utility
Supported *
3
Not supported
Suspend setting feature which does not report
SCP from SDM
Suspend on Long
Busy
Supported *
4
Not supported
Function to set arbitrary Sleep Time from SDM
when the amount of write data is controlled.
Write Pacing
*
1
CNT extender (Ultranet Storage Director).
*
2
Only Fix of Utility DEV is supported (Float is not supported).
*
3
Operates when Level 2 Suspend is set to Disabled in the option of XRC for Mainframe. Level 2
Suspend operation will be processed preferentially, when Level 2 Suspend is set to Enable.
*
4
Operates when Block Option is set to Volume Level in the option of XRC for Mainframe. Write
Pacing will not operate when Block Option is set to Cache Level.
Requirements and Restrictions18