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vRanger 7.8.5 - Installation/Upgrade Guide

Introduction Before you install System requirements and compatibility Installing vRanger Upgrading vRanger

VA usage

The vRanger VA can be used to perform the following operations. For each of these operations, the processing activity occurs on the VA.

Linux® file-level restore

Deployment locations

The locations to which the vRanger VA or VAs should be deployed depend on the specifics of the virtual environment in question. Some general guidelines for VA deployment are:

You must have a VA deployed on any VMware® ESXi™ host or cluster that is used for replication and backup. This requirement is true regardless of whether the host or cluster is used as the source or target of the replication task.

Creating a vRanger repository

Designed for ease-of-use in recovery operations, repositories eliminate the need for countless backup locations and endless configurations. With vRanger, you can configure a repository once, and use it forever.

vRanger supports the following options for repository connections.

EMC® Data Domain® Boost (DD Boost)

A repository is essentially a directory on a supported file system that vRanger uses to store savepoints — backup archives. When viewed from outside vRanger, through Windows® Explorer, for example, a repository consists of a configuration file — GlobalManifest.metadata — and directories for each savepoint.

Any time you add a repository in vRanger a GlobalManifest.Metadata XML file is created in the selected folder. It is the presence of that manifest file that tells vRanger that a repository exists in that folder.

Repository location, along with the configuration of jobs to those repositories, plays a significant role in the performance of vRanger. Use the following recommendations to aid on planning your repository configuration.

Repository storage devices

Slow disk performance has been shown to negatively impact the backup performance of vRanger. When configuring repositories, special attention should be paid to the type of storage devices used.

The use of SAS (Serial Attached SCSI) disk drives are recommended. SAS drives typically offer a 30% performance improvement over SATA drives.

The use of external USB drives or low quality NAS devices is not recommended. If these types of storage are used, the vRanger configuration settings must be adjusted to accommodate the slow devices. Recommended configuration settings for slower repositories are shown in the following list. These configurations can be made on the vRanger Configuration Options dialog box, available on the Tools > Options menu.

If no errors are received with these settings, increment the tasks per repository value by 1 to find the best fit for your environment.

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