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NetVault Plug-in for Nutanix Files 13.0 - User Guide

Backing up data

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Backing up data: an overview
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About backup types
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About multistream backups
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Performing backups
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Using backup policies

Backing up data: an overview

Plug‑in for Nutanix Files supports snapshot and CFT-based full and incremental backups at the Mount Target level.

Important considerations
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Backups cannot be performed if the Nutanix Files server is inaccessible.
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To back up SMB Mount Targets, install Plug‑in for Nutanix Files on a Windows client.
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To back up NFS Mount Targets, install Plug‑in for Nutanix Files on a Linux client.
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For CFT-based incremental backups of Mount Targets, the plug-in maintains the latest snapshot of each Mount Target included in the selection set with each backup job.
 
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NOTE: Because you can have no more than 20 snapshots for each Mount Target, you can have no more than 20 backup jobs for a Mount Target.

About backup types

The NetVault Plug‑in for Nutanix Files supports the following backup types:

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Full Backup: A Full Backup provides a backup of all selected files and folders. Full Backups take longer to complete and consume more backup media. However, restores are faster since the plug-in is only required to restore a single saveset. Full Backups serve as the base backups for subsequent Incremental and Differential Backups.
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Incremental Backup: An Incremental Backup provides a backup of files that are new or have changed since the last Full or Incremental Backup. Incremental Backups consume minimum storage space and are quicker to perform. However, data recovery can take more time depending on the number of savesets that the plug-in is required to restore.

About multistream backups

The NetVault Plug‑in for Nutanix Files can be configured to perform multistream operations when you are backing up multiple Mount Targets. Multistream backups improve backup performance by using parallel streams to transfer data.

During multistream backups, the plug-in splits the Backup Selection Set is into smaller selection groups with single Mount Targets and uses separate child processes to perform parallel backups of these selection groups.

You can use the multistream options to back up multiple Mount Targets simultaneously. You can specify the maximum number of parallel data streams that the plug-in can use for each job. The plug-in allows up to 32 parallel streams.

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