Huawei OceanStor 2000 V3 Series Features Manual page 23

OceanStor V3 Series
HyperMetro Feature Guide for Block
N
o.
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Issue 05 (2018-01-30)
Fault Example
Quorum server Quorum server
(active) (standby)
HyperMetro
Pair
LUN
Data center A Data cente B
Quorum server Quorum server
(active) (standby)
HyperMetro
Pair
LUN
Data center A Data cente B
Quorum server Quorum server
(active) (standby)
HyperMetro
Pair
LUN
Data center A Data cente B
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Fault Type
The link
between two
storage arrays
breaks down.
LUN
The active
quorum server
fails and then
the storage
array at the
LUN
preferred site
fails after
more than 60
seconds.
The link
between the
two storage
arrays and the
link between
LUN
one storage
array and the
active quorum
server both
break down.
1 Feature Description
HyperM Arbitration Result
etro Pair
Running
Status
To be The active quorum
synchroni server runs properly.
zed
Result 1: A
continues providing
services while B
stops.
Result 2: B
continues providing
services while A
stops.
NOTE
A has arbitration
priority, so the
normal result is
Result 1.
To be The standby quorum
synchroni server takes over the
zed arbitration services
from the active
quorum server.
B continues
providing services
while A stops.
To be The active quorum
synchroni server runs properly.
zed
B continues
providing services
while A stops.
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