HP XP Racks - Manual (Page 37)

4 Sharing Continuous Access Synchronous volumes
This chapter helps you plan Continuous Access Synchronous (Cnt Ac-S) pair volumes when they
are shared with non-Cnt Ac-S volumes. All the software products that can be used with 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
Yes Yes Cache Residency volume
Virtual LUN
Yes Yes Virtual LUN volume
Snapshot (SS) and Fast Snap (FS)
Yes Yes P-VOL in all statuses except COPY(RS-R)/RCPY
No No P-VOL in COPY(RS-R)/RCPY status
No No FS/SS P-VOL used as Cnt Ac-J P-VOL or S-VOL
No No V-VOL
No No Pool-VOL
Data Exchange
No No Volume usable by both mainframe and open systems
Data Retention
Yes Yes Volume with Read/Write attribute
Yes Yes Volume with Read Only attribute
Yes Yes Volume with Protect attribute
No Yes Volume that is disabled for use as an S-VOL
Thin Provisioning
Yes Yes THP V-VOL
No No Pool vol
Smart Tiers
Yes Yes THP V-VOL
No No Pool vol
global virtualization
Yes Yes Volumes in a virtual storage machine
LUN Manager
Yes Yes Volume to which a path is defined
No No Volume to which no path is defined
Yes Yes Volume to which LUN security is applied
Volume types that can be shared with Continuous Access Synchronous 37