
Table 10 XP Snapshot Operations When XP Snapshot P-VOL and Continuous Access /
Continuous Access Journal S-VOL Are Shared
XP Snapshot Operations
Continuous Access / Continuous Access Journal Pair Status
COPY
PAIR
PSUS PSUE SSWS
*1
Suspending Deleting
Creating pairs
(paircreate)
OK OK OK OK OK OK OK
Storing snapshot data
(pairsplit)
No OK OK OK OK OK OK
Restoring pairs (pairresync
−restore)
*2
No No No No No No No
Deleting snapshot data
(pairresync)
OK OK OK OK OK OK OK
Deleting pairs (pairsplit −S)
OK OK OK OK OK OK OK
OK: Operation is allowed. No: Operation is not allowed (command rejected).
Note*1:
SSWS
is a status of Continuous Access Journal pairs. Continuous Access pairs will not change
to SSWS status.
Note*2:
When you restore the XP Snapshot pair whose P-VOL is used as a Continuous Access or
Continuous
Access Journal S-VOL, you need to switch operations from the local site to the remote site by
executing the horctakeover command.
The relationship between the XP Snapshot pair status and Continuous Access or Continuous Access
Journal ope
rationsis to beasshown in Table 11 on page 22 and Table 12 on page 23.
Table 11 Continuous Access / Continuous Access Journal Operations When XP
Snapshot P-VOL and Continuous Access / Continuous Access Journal P-VOL Are Shared
Continuous Access
/ Continuous Access
Journal Op
erations
XP Snapshot Pair Status
COPY
PAIR
PSUS SMPL
(PD)
COPY
(RS)
COPY
(RS-R)
PSUE
Creating pairs
(paircreate)
OK OK OK OK OK
No
OK
Splitting
pairs (pairsplit)
OK OK OK OK OK
-
OK
Resynchronizing pairs
(pairresync)
OK OK OK OK OK No OK
Deleting pairs (pairsplit
−S)
OK OK OK OK OK OK OK
Switching to remote site
(horctakeover)
OK OK OK OK OK
No
OK
OK: Operation is allowed. No: Operation is not allowed (command rejected). -: Not applicable.
22
About XP Snapshot Operations
Comentarios a estos manuales