Huawei OceanStor 2000 V3 Series Features Manual page 43

OceanStor V3 Series
HyperMetro Feature Guide for File
Other Precautions
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Issue 05 (2018-01-30)
Configure IP addresses of ports on iSCSI host and IP addresses of service network ports
on application servers on the same network segment. If two IP addresses are on different
network segments, add a route to establish a connection between them.
The service network ports that connect hosts to the storage network and HyperMetro
mirrored network and management network port cannot reside on the same network
segment.
For a dual-controller storage array, the default IP addresses of heartbeat network ports
are 127.127.127.10 and 127.127.127.11. For a four-controller storage array, the default
IP addresses of heartbeat network ports are 127.127.127.10, 127.127.127.11,
127.127.127.12, and 127.127.127.13. Therefore, the configured IP addresses cannot
reside on network segment 127.127.127.XXX and the gateway cannot be
127.127.127.10, 127.127.127.11, 127.127.127.12, or 127.127.127.13. Otherwise, routing
fails.
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