As this table shows, the array-based write splitter is the most effective configuration
for VMware replication. With an array-based write splitter, any of the RDMs or
volumes containing VMFS can be replicated. The only restriction on the write splitter
is that
all
of the volumes for a specific VM must reside on arrays that are supported by
and attached to the RecoverPoint appliance.
The final configuration uses intelligent fabric splitting, which is provided on some
Brocade and Cisco director-class switches. Using intelligent fabric splitting the
volumes can reside anywhere in the SAN. Intelligent fabric splitting enables the
replication of ESX boot volumes, virtual machine boot volumes (either as physical
RDM/P volumes or as a VMFS volume), and virtual machine data volumes (either as
physical RDM/P volumes or as VMFS volumes). Additionally, intelligent fabric
splitting is the only way that replication across heterogeneous storage arrays (EMC to
third party) is supported.
VMware ESX Server
VMware ESX Server is virtual infrastructure software for consolidating and managing
systems in mission-critical environments. VMware ESX Server speeds service
deployments and adds management flexibility by partitioning x86 servers into a pool
of secure, portable, and hardware-independent virtual machines.
Figure 6. VMware ESX Server architecture
VMware ESX Server unifies the disaster recovery (DR) platform in a way that allows
many production servers to be recovered on a single DR server without the need for
costly one-to-one mapping of production and DR servers. Hardware-independent
VMware ESX Server virtual machines eliminate the need to maintain identical
hardware at production and DR sites.
VMware ESX Server can host multiple differing operating systems and applications
that run concurrently in isolated virtual machines. System resources are dynamically
allocated to each virtual machine based on need and configured service-level
guarantees, providing mainframe-class control and capacity utilization of x86 servers.
EMC RecoverPoint supports protection of the VMware ESX Server volumes, as well as
the individual virtual machines and their data.
(40 paginas)
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