Hitachi G1000 - Page 201

Failure at the primary site (external storage system at the primary
site)
Failure locations
Reference codes of SIMs that
might be issued
Can the volume
access to the GAD
volumes?
1
Primary
storage
system
Secondary
storage
system
P-VOL S-VOL
Both the primary storage
system and the external
storage system for the
quorum disk
Depends on the
failure type
2
DD0XYY
DD2XYY
DD3XYY
2180XX
21D0XX
21D2XX
EF5XYY
EFD000
FF5XYY
DEF0ZZ
No
No
3
Note:
1. Hardware such as HDD, cache, CHA, DKA and MPB is redundant in the VSP G1000
configuration. Even if a failure occurs in a part of redundant hardware, the failure
does not cause a GAD pair being suspended, or an inaccessible GAD volume. The
Disaster recovery of global-active device
6-49
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide