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vReplicator v2.5 Chapter 2 Installation 9

Ultimately, this data is copied to the destination VM and then merged into the first

snapshot.

This method allows for a very fast process, in part because no scanning is required.

Nonetheless, the continuously open snapshot can decrease I/O temporarily. Because this

method replicates as a function of change over time, snapshots can grow rather large and

cumbersome. For this reason, it is important to confirm sufficient free disk space in

advance of initiating a hybrid replication.

Warning: During hybrid replication, a snapshot remains open continuously. This can

compromise vRanger Pro’s ability to complete differential backups of a VM being

replicated. When you initiate a hybrid replication, you should not use vRanger Pro to

perform a differential backup of that VM. In this case, it is best to complete a full backup

of the machine.

Replication to Multiple Destinations

vReplicator 2.5 offers replication from a single source to multiple destinations. Having

this additional flexibility enhances your ability to recover from a disaster. You can

schedule two jobs to execute in the same timeframe from one source VM to more than

one destination. The first job that you create will execute as scheduled and the second job

will be queued to run when the first job completes. Replication to multiple destinations

can be done for either replication type—hybrid or differential.

Skipping VMDKs

Using vReplicator’s Job Wizard, you can specify which hard disks to replicate from a

single source datastore. One benefit of excluding disks that do not need to be replicated is

that in doing so you conserve resources—from time and effort to disk space and

bandwidth.

Performance Monitoring

As you try to establish a replication schedule that does not compromise system

performance, monitoring information becomes vital. To help you assess the impact of

replication jobs on your environment, vReplicator provides real-time performance

statistics that indicate the load on each host. These statistics— Service Console CPU,

memory, disk, and network usage—display in the Replication Management pane.

Encryption

vReplicator 2.5 uses Triple Data Encryption Standard (Triple DES) cryptology to provide

password and data protection functionality. All configuration settings such as User Name,

Root, and SMTP are encrypted automatically and stored securely in a disk file.

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