HP XP P9500 Storage - Manual (Page 17)

Using Compatible XRC in conjunction with Compatible FlashCopy
The XP P9500 supports the use of Compatible XRC in conjunction with Compatible FlashCopy
(Compatible FlashCopy) to maintain data in the secondary site and the primary site for disaster
recovery and data migration purposes.
Volume functioning as Compatible XRC P-VOL and 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
primary site using Compatible FlashCopy, and it is copied from the primary site to the secondary
site using Compatible XRC.
Figure 9 Volume Functioning as Compatible XRC P-VOL and Compatible FlashCopy S-VOL
Volume functioning as Compatible XRC S-VOL and Compatible FlashCopy S-VOL
The following figure shows the configuration in which a volume is functioning as both a Compatible
XRC S-VOL (secondary volume) and a Compatible FlashCopy S-VOL (source volume). In this
configuration, data is copied from the primary site to the secondary site using Compatible XRC,
and it is copied within the secondary site using Compatible FlashCopy.
Figure 10 Volume Functioning as Compatible XRC S-VOL and Compatible FlashCopy S-VOL
One volume functioning as P-VOL and S-VOL, and another volume functioning as
S-VOL and S-VOL
The following figure shows the configuration in which one volume is functioning as both a
Compatible XRC P-VOL and a Compatible FlashCopy S-VOL, and another volume is functioning
as both a Compatible XRC S-VOL and a Compatible FlashCopy S-VOL. In this configuration, data
is copied within the primary site using Compatible FlashCopy, and then it is copied within the
secondary site using Compatible FlashCopy.
Using Compatible XRC in conjunction with Compatible FlashCopy 17