Figure 1-7 Cascaded 3DC network with file system-based HyperMetro and
HyperVault
Production center A
OceanStor storage system
Same-city disaster
recovery center B
OceanStor storage system
...
Application
server
Application
server
...
NASNAS
HyperMetro
OceanStor storage system
Remote disaster recovery
center C
NAS
HyperVault
HyperVault
On the cascaded 3DC network, data links must be established between the
production center A and same-city disaster recovery center B as well as between the
same-city disaster recovery center B and remote disaster recovery center C. Same-
city disaster recovery is implemented between the production center A and same-
city disaster recovery center B using HyperMetro. The primary file system of
HyperVault serves as the secondary file system of HyperMetro, making remote
disaster recovery of file systems in the production center A available. Local backup
of HyperVault can be implemented on the primary file system of HyperVault.
– Figure 1-8 shows the parallel 3DC network.
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.
32
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