
55
2-site Stretched Cluster
$%@=&++&&+)
Improve availability, load-balance, and
deliver real-time remote data access
by distributing applications and their
data across multiple sites.
Seamless server / storage failover
when used in conjunction with server
or hypervisor clustering (such as
VMware or PowerVM)
Up to 300km between sites (3x EMC
VPLEX)
Metro or Global Mirror
4-site Disaster Recovery
For combined high availability and
disaster recovery needs,
synchronously or asynchronously
mirror data over long distances
between two high-availability stretch
clusters.
High Availability
High Availability
Disaster Recovery
Data center 1
Data center 2
Server Cluster 1
Server Cluster 2
SVC
Stretched-cluster
Stretched
virtual volume
Failover
Data center 1
Data center 2
Server Cluster 1
Server Cluster 2
Stretched
virtual volume
Failover
Data center 1
Data center 2
Server Cluster 1
Server Cluster 2
Stretched
virtual volume
Failover
A
3$
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