HP XP RAID Manager Software - Manual (Page 23)

Table 13 Cnt Ac-S/Cnt Ac-J Operations when P-VOL shared with SS S-VOL (continued)
Snapshot Pair Status Continuous Access
Synchronous / Continuous
Access Journal Operations
PSUE COPY(RS-R) COPY(RS) SMPL(PD) PSUS PAIR COPY
Yes No Yes Yes Yes Yes Yes Switch to remote site
(horctakeover)
* If you want to use a Cnt Ac-S or Cnt Ac-J S-VOL as a Snapshot P-VOL, the Snapshot pair must be created after the
Cnt Ac-S or Cnt Ac-J pair is created.
Following shows the correspondence table of the pair status display between RAID Manager and
Remote Web Console.
Table 14 Correspondence between RAID Manager and Remote Web Console
Remote Web Console pair display RAID Manager pair display
SMPL SMPL
COPY(PD) COPY
COPY(PD) RCPY
PAIR PAIR
PSUS PFUL
PSUS PSUS
PSUS PFUS
PSUS SSUS
PSUE PSUE
Figure 6 The combination use of 3DC multi-target configuration and Snapshot
The following explains about pairs in the figure.
•
Pair 1 is the Continuous Access Synchronous pair.
•
Pair 2 is the Continuous Access Journal pair.
•
Pair 3 is the Continuous Access Journal pair for delta resync.
•
Pair 4, pair 5, and pair 6 are Snapshot pairs.
NOTE:
•
You must create 3DC multi-target configuration for delta resync consisting of pair 1, pair 2,
and pair 3 before creating pair 5, which is a Snapshot pair. You do not need to create 3DC
multi-target configuration for delta resync consisting of pair 1, pair 2, and pair 3 before
creating pair 4, which is a Snapshot pair.
•
You must create 3DC multi-target configuration for delta resync consisting of pair 1, pair 2,
and pair 3 before creating pair 6, which is a Snapshot pair.
Continuous Access Synchronous or Continuous Access Journal 23