HP XP P9000 Continuous Access Synchronous User Guide

4 Sharing Continuous Access Synchronous volumes
This chapter helps you plan Continuous Access Synchronous pair volumes when they are shared
with non-Continuous Access Synchronous volumes. All the software products that can be used with
Continuous Access Synchronous (Cnt Ac-S) are discussed here.
Volume types that can be shared with Continuous Access Synchronous
The following table shows when volumes used by other software can also be used as Cnt Ac-S
P-VOLs and S-VOLs.
Used as Cnt Ac-S S-VOL?Used as Cnt Ac-S P-VOL?Volume type
Cache Residency
YesYesCache Residency volume
Virtual LUN
YesYesVirtual LUN volume
Fast Snap (FS) and Snapshot (SS)
YesYesP-VOL in all statuses except COPY(RS-R)/RCPY
NoNoP-VOL in COPY(RS-R)/RCPY status
NoNoFS/SS P-VOL used as Cnt Ac-J P-VOL or S-VOL
NoNoV-VOL
NoNoPool-VOL
Data Exchange
NoNoVolume usable by both mainframe and open systems
Data Retention
YesYesVolume with Read/Write attribute
YesYesVolume with Read Only attribute
YesYesVolume with Protect attribute
NoYesVolume that is disabled for use as an S-VOL
Thin Provisioning
YesYesTHP V-VOL
NoNoPool vol
Smart Tiers
YesYesTHP V-VOL
NoNoPool vol
LUN Expansion (LUSE)
YesYesLUSE Volume
LUN Manager
YesYesVolume to which a path is defined
NoNoVolume to which no path is defined
YesYesVolume to which LUN security is applied
38 Sharing Continuous Access Synchronous volumes