Restrictions when sharing p-vols, Continuous – HP XP RAID Manager Software User Manual
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SS status
BC/SS operation
PSUE
RCPY
COPY
2
PSUS, PFUS
PAIR,
PFUL
COPY
1
Yes
Yes
Yes
Yes
Yes
Yes
Delete pair
1.
“COPY” status during initial copy.
2.
“COPY” status during resynchronization.
The following tables list the relationship between BC/SS operations and SS status.
SS status
BC/SS operation
PSUE
RCPY
COPY
3
PSUS, PFUS
PAIR,
PFUL
COPY
2
No
No
No
No
No
No
Create pair
No
No
No
No
No
No
Create and split pair
Yes
No
Yes
Yes
Yes
Yes
Split pair
Yes
No
Yes
Yes
Yes
Yes
Forward pair resynchronization
Yes
No
Yes
Yes
Yes
Yes
Normal backward pair
resynchronization
No
No
No
No
No
No
Quick backward pair
resynchronization
Yes
No
Yes
Yes
Yes
Yes
Suspend pair
Yes
Yes
Yes
Yes
Yes
Yes
Delete pair
1.
You can perform BC/SS operations while splitting pairs in a consistency group. However, the SS data consistency
is not maintained.
2.
“COPY” status during initial copy.
3.
“COPY” status during resynchronization.
Restrictions when sharing P-VOLs
The SS S-VOL uses the data in the P-VOL. The following are restrictions when sharing an SS pair
P-VOL with an BC/SS P-VOL or S-VOL:
•
The SS pair P-VOL cannot have the same mirror unit (MU) number as the BC/SS pair.
•
You cannot perform the BC/SS Quick Restore operation.
•
You cannot share the BC/SS volume that is in a consistency group with SS.
•
You cannot share the SS volume that is in a consistency group with BC/SS.
Continuous Access Synchronous and Continuous Access Journal
You can share Cnt Ac-S and Cnt Ac-J pair volumes with SS P-VOLs. If you share pair volumes with
these software applications, the pair operation you can perform are restricted based on the shared
pair status.
Continuous Access Synchronous and Continuous Access Journal
31