Hitachi VSP G800 User Guide

Pair
type
Pair A
status
Pair B
status
Operation for pair B
Pair with snapshot attribute
Pair with clone
attribute
Snaps
hot /
clone
attribu
te
comm
on
Create Split Resync
Restor
e
Create Split Delete
With
the
snapsho
t
attribut
e
PSUS PSUS
1
N YN Y Y N N Y
PSUS COPY(R
S)
1
YN N YN YN N N N
PSUS COPY(R
S-R)
1
YN N YN YN N N N
PSUS PSUE
1
N N Y N N N Y
PSUS SMPL(P
D)
1
N N N N N N YN
PSUS PSUS(S
P)
2
N N N N N N Y
With
the
clone
attribut
e
PSUS(S
P)
PSUS(S
P)
2
N N N N N N Y
PSUS(S
P)
PSUE
2
N N N N N N Y
PSUS(S
P)
SMPL(P
D)
2
N N N N N N YN
PSUS(S
P)
PSUS
1
N YN Y Y N N N
Y: Operation successful.
YN: Operation not performed, process terminated.
N: Process terminated abnormally.
Notes
1. Pair B has snapshot attribute.
2. Pair B has clone attribute.
The following table explains operations of cascaded pair A when the status of
pair B is not SMPL, COPY(PD), and PAIR.
Thin Image system and planning requirements 93
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series

Hitachi VSP G800 Specifications

General

Brand	Hitachi
Model	VSP G800
Category	Storage
Language	English