HP XP P9000 Provisioning for Open Systems User Guide

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 ManagerReclaim zero pages from
Remote Web Console
Pair status
EnabledEnabledSMPL
DisabledDisabledCOPY(PD)/COPY
DisabledDisabledPAIR
DisabledDisabledCOPY(SP)
DisabledDisabledPSUS(SP)/PSUS
EnabledEnabledPSUS
DisabledDisabledCOPY(RS)/COPY
DisabledDisabledCOPY(RS-R)/RCPY
DisabledDisabledPSUE
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.
ExplanationContinuous Access
Synchronous S-VOL
Continuous Access
Synchronous P-VOL
Supported.THP V-VOLsTHP V-VOLs
Supported.Normal (ordinary) volumesTHP V-VOLs
Supported.THP V-VOLsNormal (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