HP XP P9500 HP P9000 Business Continuity Manager Reference Guide (T5253-96058, - Page 253
FORWARD, REVERSE, Business Copy for z/OS User Guide: HP XP12000 Disk Array, HP XP10000 Disk Array
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The S-VOL can be read or written even when data is being copied. When this parameter is not specified, the S-VOL can be read or written after data copying, and transition to the SUSPOP status have finished. For details on what happens when the ATTIME parameter is specified for the NORMAL ATTIME suspend function, see the HP StorageWorks P9000 Business Copy for Mainframe Systems User Guide: HP XP24000 Disk Array, HP XP20000 Disk Array or the HP StorageWorks P9000 Business Copy for z/OS User Guide: HP XP12000 Disk Array, HP XP10000 Disk Array, HP 200 Storage Virtualization System. When the CAJ ATTIME suspend function is used, the method of performing suspensions used depends on the specified ATOPT parameter. FORWARD Applies to Continuous Access Synchronous for Mainframe, Continuous Access Asynchronous for Mainframe, and Continuous Access Journal for Mainframe. When the copy direction is forward Places copy pairs in the SUSPOP status, so that the copy direction goes from the primary site to the secondary site after RESYNC. If this parameter is specified for Continuous Access Asynchronous for Mainframe, the data synchronization method during the suspension will be the same as that used when the DRAIN parameter is specified. If this parameter is specified for Continuous Access Journal for Mainframe, the data synchronization method during the suspension will be the same as that used when the FLUSH parameter is specified. When the copy direction is reverse Places copy pairs in the SWAPPING status, so that the copy direction goes from the primary site to the secondary site after RESYNC. If this parameter is specified for Continuous Access Asynchronous for Mainframe or Continuous Access Journal for Mainframe, the data synchronization method during the suspension will be the same as that used when the FLUSH parameter is specified. REVERSE Applies to Continuous Access Synchronous for Mainframe, Continuous Access Asynchronous for Mainframe, and Continuous Access Journal for Mainframe. When the copy direction is forward Places copy pairs in the SWAPPING status, so that the copy direction goes from the secondary site to the primary site after RESYNC. If this parameter is specified for Continuous Access Asynchronous for Mainframe or Continuous Access Journal for Mainframe, the data synchronization method during the suspension will be the same as that used when the FLUSH parameter is specified. When the copy direction is reverse Places copy pairs in the SUSPOP status, so that the copy direction goes from the secondary site to the primary site after RESYNC. If this parameter is specified for Continuous Access Asynchronous for Mainframe, the data synchronization method during the suspension will be the same as that used when the DRAIN parameter is specified. If this parameter is specified for Continuous Access Journal for Mainframe, the data synchronization method during the suspension will be the same as that used when the FLUSH parameter is specified. When neither FORWARD parameter nor REVERSE parameter are specified, the status of copy pairs become SUSPOP. The copy direction is not changed at the time of RESYNC. Command details 253
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