Shared Continuous Access Xp P-Vol/Business Copy Xp P-Vol; Shared Continuous Access Xp S-Vol/Business Copy Xp P-Vol; Shared Continuous Access Xp/Bc P-Vol With Shared Continuous Access Xp S-Vol/Bc P-Vol - HP xp12000 User Manual

Table 13 Data currency of a shared Continuous Access XP/BC volume (continued)
Continuous
Access XP pair
status
PAIR
PSUS/PSUE
Figure 10 through
Continuous Access XP supports synchronous and asynchronous operations for shared Continuous Access
XP/BC volumes.
• Figure 10
this configuration, use BC for on-site data backup if a Continuous Access XP failure occurs, and use
Continuous Access XP to provide remote backup of the BC P-VOL if a BC failure occurs.
Figure 10

Shared Continuous Access XP P-VOL/Business Copy XP P-VOL

• Figure 11
this configuration, use BC to provide multiple backup copies of a single Continuous Access XP P-VOL.
Figure 11

Shared Continuous Access XP S-VOL/Business Copy XP P-VOL

• Figure 12
Access XP pair, the P-VOL and S-VOL function as BC P-VOLs, providing multiple copies at primary and
remote sites.
Figure 12

Shared Continuous Access XP/BC P-VOL with shared Continuous Access XP S-VOL/BC P-VOL

42 Continuous Access XP for the XP12000/XP10000
BC pair status
COPY (PD) PAIR
Not current Not current
Not current CURRENT
Figure 13 show various Continuous Access XP/BC configurations that share volumes.
shows an example of a Continuous Access XP P-VOL that also functions as a BC P-VOL. With
shows an example of a Continuous Access XP S-VOL that also functions as a BC P-VOL. With
combines the configurations shown in
COPY (SP) PSUS
Not current CURRENT
CURRENT CURRENT
Figure 10 and Figure
COPY (RS/RS-R) PSUE
Not current Not current
CURRENT Not current
11. Within a single Continuous