N
o.
Faul
t
Typ
e
Fault Diagram
Hyper
Metro
Pair
Runni
ng
Status
Arbitration
Result
2
The
link
betw
een
the
activ
e
quor
um
serve
r and
one
or
both
stora
ge
array
s
break
s
down
.
Data center A
Data cente B
Data center A
Data cente B
Quorum server (active)
Data center A
Data cente B
1
2
3
Quorum server (standby)
Quorum server (active)
Quorum server (standby)
Quorum server (active)
Quorum server (standby)
Normal
l
In scenarios
1 and 2, the
active
quorum
server runs
properly. A
continues
providing
services
while B
stops.
l
In scenario
3, the
standby
quorum
server takes
over the
arbitration
services
from the
active
quorum
server. A
continues
providing
services
while B
stops.
OceanStor V3 Series
HyperMetro Feature Guide for File
1 Feature Description
Issue 05 (2018-01-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18