Novell BUSINESS CONTINUITY CLUSTERING 1.0 - ADMINISTRATION Manual page 11

SANs is performed by SAN hardware, but it can be done by host-based mirroring for synchronous
replication over short distances.
Cluster of Clusters
Figure 1-2
Building A
Ethernet Switch
Server Server Server
1A 2A 3A
Fibre Channel
Switch
Fibre Channel
Disk Arrays
Cluster Site 1
Two independent clusters at
geographically separate sites
WAN
eDirectory
DirXML
Server
4A
SAN
Disk blocks
Building B
Ethernet Switch
Server Server Server
1B 2B 3B
Fibre Channel
Switch
Fibre Channel
Disk Arrays
Cluster Site 2
Server
4B
Overview 11