Hitachi VSP G1000

Pair
type
Pair A
status
Pair B
status
Operation for pair A
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 N N N N N
PSUS COPY(R
S)
1
N YN N N N N N
PSUS COPY(R
S-R)
1
N YN N N N N N
PSUS PSUE
1
N YN N N N N N
PSUS SMPL(P
D)
1
N YN N N N N N
PSUS PSUS(S
P)
2
N YN N N N N N
With
the
clone
attribut
e
PSUS(S
P)
PSUS(S
P)
2
N N N N N YN N
PSUS(S
P)
PSUE
2
N N N N N YN N
PSUS(S
P)
SMPL(P
D)
2
N N N N N YN N
PSUS(S
P)
PSUS
1
N N N N N YN 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.
Pair operations when pairs are not cascaded
The following table explains pair operations according to the pair status.
94 Thin Image system and planning requirements
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series