Hitachi G1000, User Manual, Page: 156 / 246

# Failure location
SIM reference codes
GAD volume
accessible?
1
Primary
system
Secondary
system
P-VOL S-VOL
3 Path between the
server and the
secondary storage
system
None
(normal)
None
(normal)
Yes
3
No
4 GAD pair volume P-VOL 3A0XXX
DD1XYY
DFAXXX
DFBXXX
EF9XXX DD1XYY No
Yes
2
5 S-VOL DD1XYY 3A0XXX
DD1XYY
DFAXXX
DFBXXX
EF9XXX
Yes
3 No
6
Pool for GAD pair
4 Pool for P-VOL 622XXX
DD1XYY DD1XYY No
Yes
2
7 Pool for S-VOL DD1XYY 622XXX
DD1XYY
Yes
3 No
8 Path between storage
systems
Remote path from the
primary to secondary
system
2180XX
DD0XYY DD3XYY
Yes
3
No
9 Remote path from the
secondary to primary
system
DD3XYY 2180XX
DD0XYY No
Yes
2
10 Storage system Primary system Depends on
the failure
type
5
2180XX
DD0XYY
DD3XYY No
Yes
2
11 Secondary system 2180XX
DD0XYY
DD3XYY Depends on
the failure
type
5
Yes
3 No
12 Quorum disk Path between the
primary system and
quorum disk
21D0XX
21D2XX
DD2XYY
DEF0ZZ
EF5XYY
EFD000
FF5XYY DD2XYY
Yes
3 No
6-4
Disaster recovery of global-active device
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide