HP XP P9500 Storage - Manual (Page 38)

Table 18 Status, availability of DRU operation (continued)
Referencing access attribute Changing access attribute Pair status Continuous
Access
Synchronous
volume
Yes Yes PSUS
Yes Yes PSUE
Yes Yes SMPL S-VOL
Yes No COPY
Yes No PAIR
Yes No* PSUS
Yes No PSUE
* If the S-VOL Write option is enabled, the access attribute can be changed.
The following table indicates whether a DRU volume with the specified access attribute can be
used as a Continuous Access Synchronous P-VOL or S-VOL.
Table 19 DRU access attribute with Continuous Access Synchronous P-VOL/S-VOL
Availability for Continuous Access Synchronous P-VOL or S-VOL DRU access attribute
S-VOL P-VOL Read/Write
Yes Yes
Yes Yes Read Only
Yes Yes Protect
No Yes S-VOL Disable
No Yes Read Only and S-VOL Disable
No Yes Protect and S-VOL Disable
Thin Provisioning Z
The virtual volume of Thin Provisioning Z (V-VOL) can be assigned as a part of Cnt Ac-S Z pair. A
Cnt Ac-S Z pair creation with a V-VOL and a not-V-VOL is also available. See the following table
for the details.
Table 20 Cnt Ac-S Z pair availability with V-VOL and not-V-VOL
S-VOL P-VOL
( Device emulation type ) ( Device emulation type )
not-V-VOL ( 3390-X
*1
) not-V-VOL ( 3390-A ) V-VOL ( 3390-A )
Not available Available Available V-VOL ( 3390-A )
Not available Available Available not-V-VOL ( 3390-A )
Available Available Available not-V-VOL ( 3390-X
*1
)
*1
The 3390-X above represents the device emulation types of 3390 series except 3390-A. (see
Table 6 (page 16) for the 3390 device emulation types supported by Cnt Ac-S Z.) The V-VOL
combined with the device types other than 3390 is not available.
To enable the data migration from existing storage to the V-VOL (3390-A) or not-V-VOL (3390-A),
a combination of the not-V-VOL (3390-X) as the P-VOL and the V-VOL (3390-A) or not-V-VOL
38 Sharing Continuous Access Synchronous volumes