Optimized Synthetics - PowerPoint Presentation

Optimized Synthetics
Optimized Synthetics

Optimized Synthetics - Description

1 OpenStorage Optimized Synthetics Agenda Optimized Synthetics 2 What is Synthetic Backup 1 What is an Optimized Synthetic Backup 2 How to use Optimized Synthetic Backup 3 What is a Synthetic Backup ID: 510105 Download Presentation


optimized synthetic storage backup synthetic optimized backup storage server synthetics full disk attribute optimizedimage

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Optimized Synthetics



Optimized SyntheticsSlide2


Optimized Synthetics


What is Synthetic Backup?


What is an Optimized Synthetic Backup?


How to use Optimized Synthetic Backup?


What is a Synthetic Backup?

Method of producing a new backup image utilizing existing images. No client involvement.Utilizes True Image Restore catalog metadata to calculate the content of a new full or cumulative incremental backup based on change contained in differential incremental backups.

Reads from full and/or differential incremental backups, filtering out replaced or deleted files and writes to a new image.

Full read and write of image data.

Typical use, avoid full backup:


full, regular differential incrementals, followed by synthetic fullRepeat incrementals and synthetic fullOptimized Synthetics


What is an Optimized Synthetic Backup?

Method of producing synthetic backup images utilizing unique OST capabilitiesProduces synthetic backup images with content and layout identical to traditional synthetic backup images

Does not require direct read or write of image data.

Relies on implicit object sharing for storage savings and operation efficiency.

OST device is responsible for storage organization:

Decouples object sharing complexity from

Netbackup.Leverages special capabilities of OST devices.Optimized Synthetics4Slide5

How to Use Optimized Synthetic Backup

Configure OST storage device that supports optimized synthetic and its pluginNetbackup

storage server will inherit the “


” attribute during storage server configuration (


-creatests).Disk pools created for that storage server will inherit the “OptimizedImage” attribute from the storage server (nbdevconfig -createdp).Disk pools with the “OptimizedImage” attribute will be capable of producing synthetic backups utilizing the Optimized Synthetic method.

bpsynth, the Synthetic Backup controller, chooses the construction method based on the “OptimizedImage” attribute on the disk poolAll source images and the target STU must be the same disk pool. Cannot cross disk pools or storage serversTarget STU for full, incremental, and synthetic backup should be same STU

Optimized Synthetics5Slide6

How to Use Optimized Synthetic Backup

For already configured storage servers upgraded to support Optimized Synthetic, the “OptimizedImage” attribute must be set on the


storage server and disk pool:



changests -storage_server <storage server> -stype <stype

> -setattribute OptimizedImagenbdevconfig

-changedp -stype <stype> -dp

<disk pool> -setattribute OptimizedImageTo disable Optimized Synthetic globally, create touch file on master server:

netbackup/db/config/OPTIMIZED_SYNTHETIC_DISABLEIf an Optimized Synthetic is being performed, activity monitor:“Performing Optimized Synthetic Operation”

Optimized Synthetics


Technical Feature Implementation

Traditional synthetic has a “triangle of connections”:reader to bsynth

, writer to


, writer to reader

can be different servers, socket connections firewall sensitive

Optimized Synthetic connects to one media serverbptm on that media server performs OST operationsmedia and master server must be 6.5.4+Traditional synthetic and Optimized Synthetic both controlled by improved bpsynthLogs: bpsynth (master) and bptm (media server)Primary copy of source images are considered for readn

o media type analysis is performed on non-primary backupsOptimized Synthetics


Optimized Synthetics


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By: jane-oiler
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