Hitachi VSP G400 User Guide

Pair
type
Pair A
status
Operation for pair B
Pair with snapshot attribute
Pair with clone
attribute
Snapsh
ot /
clone
attribut
e
commo
n
Create Split Resync Restore Create Split Delete
With the
snapshot
attribute
COPY(PD
)
N N N N N N YN
PAIR Y N N N Y N YN
PSUS Y N N N Y N YN
COPY(RS
)
N N N N N N YN
COPY(RS
-R)
N N N N N N YN
PSUE N N N N N N YN
SMPL(PD
)
N N N N N N YN
With the
clone
attribute
COPY(PD
)
N N N N N N YN
PAIR Y N N N Y N YN
PSUS(SP) Y N N N Y N YN
PSUE N N N N N N YN
SMPL(PD
)
N N N N N N YN
Y: Operation successful.
YN: Operation not performed, process terminated.
N: Process terminated abnormally.
The following table explains operations of cascaded pair B when pair B has
the snapshot attribute, and its pair status is COPY(PD).
84 Thin Image system and planning requirements
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series

Hitachi VSP G400 Specifications

General

Brand	Hitachi
Model	VSP G400
Category	Storage
Language	English