HP XP P9500 Storage - Manual (Page 83)

Business Copy pair status for reclaiming zero pages
You can use this table to determine whether reclaiming zero pages is possible for a particular pair
status
Reclaim zero pages from RAID Manager Reclaim zero pages from
Remote Web Console Pair status
Enabled Enabled SMPL
Disabled Disabled COPY(PD)/COPY
Disabled Disabled PAIR
Disabled Disabled COPY(SP)
Disabled Disabled PSUS(SP)/PSUS
Enabled Enabled PSUS
Disabled Disabled COPY(RS)/COPY
Disabled Disabled COPY(RS-R)/RCPY
Disabled Disabled PSUE
Continuous Access Synchronous
You can use Thin Provisioning or Smart Tiers in combination with Continuous Access Synchronous
to replicate V-VOLs. The following figure illustrates the interaction when the Continuous Access
Synchronous P-VOL and S-VOL are also V-VOLs.
Figure 1 Thin Provisioning or Smart Tiers and Continuous Access Synchronous
This table shows the supported Continuous Access Synchronous and Thin Provisioning or Smart
Tiers combinations.
Explanation Continuous Access
Synchronous S-VOL Continuous Access
Synchronous P-VOL
Supported. THP V-VOLs THP V-VOLs
Supported. Normal (ordinary) volumes THP V-VOLs
Supported. THP V-VOLs Normal (ordinary) volumes
Note, however, that this combination consumes the same
amount of pool capacity as the original normal volume
(P-VOL).
You cannot specify a Thin Provisioning or Smart Tiers pool-VOL as a Continuous Access Synchronous
P-VOL and S-VOL.
Using Thin Provisioning or Smart Tiers with other P9500 products 83