HP XP7 Storage - Manual (Page 16)

Compatible XRC S-VOL functioning as BC Z primary volume
The following figure shows the configuration in which a volume is functioning as both a Compatible
XRC S-VOL (secondary volume) and a BC Z primary volume. In this configuration, data is copied
from the primary site to the secondary site using Compatible XRC, and then it is copied within the
secondary site using BC Z.
Compatible XRC P-VOL and S-VOL both functioning as BC Z primary volumes
The following figure shows the configuration in which one volume is functioning as both a
Compatible XRC P-VOL and a BC Z primary volume (source volume) and another volume is
functioning as both a Compatible XRC S-VOL (secondary volume) and a BC Z primary volume In
this configuration, data is copied within the primary site using BC Z, and it is copied from the
primary site to the secondary site using Compatible XRC. Afterward, it is copied within the secondary
site using BC Z.
Using Compatible XRC with Compatible FlashCopy
The HP XP7 Storage system supports the use of Compatible XRC with Compatible FlashCopy to
maintain data in the secondary site and the primary site for disaster recovery and data migration
purposes.
Compatible XRC P-VOL functioning as Compatible FlashCopy S-VOL
The following figure shows the configuration in which a volume is functioning as both a Compatible
XRC P-VOL and a Compatible FlashCopy S-VOL. In this configuration, data is copied within the
16 Interoperability with other products and functions