Source:Advanced Backup and Restore Options: Difference between revisions

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==Overview==  
==Overview==  

Revision as of 09:56, 16 April 2020

Copyright © SEP AG 1999-2024. All rights reserved.

Any form of reproduction of the contents or parts of this manual is allowed only with the express written permission from SEP AG. When compiling and designing user documentation SEP AG uses great diligence and attempts to deliver accurate and correct information. However, SEP AG cannot issue a guarantee for the contents of this manual.

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This article is in the initial stage and may be updated, replaced or deleted at any time. It is inappropriate to use this document as reference material as it is a work in progress and should be treated as such.


Docs latest icon.png Welcome to the latest SEP sesam documentation version 4.4.3 Beefalo/Beefalo V2. For previous documentation version(s), check Documentation archive.


Overview

SEP sesam enables you to specify additional (advanced) backup and restore options which are applicable for different task types, e.g., VMware vSphere, MySQL, etc. You can set additional backup or restore options in their properties or when creating a new backup/restore task.

Setting advanced options

You can specify additional backup or restore options in the backup task properties: from Main Selection -> Tasks by Clients -> click New Backup Task or double-click the relevant backup task to open its properties. Under the Options tab -> Additional call arguments -> add your backup or restore option in the Backup options (previously Save options) or Restore options field, respectively.

You can also use the restore wizard to specify additional restore options: From Target Seetings (fourth step of the restore wizard), under the Expert Options -> Options tab -> Restore options. For details, see Expert Options.

Information sign.png Note
As of v. 4.4.3. Beefalo, the Expert Options button for specifying advanced restore options is only available in the Expert UI mode. It is not available for users that run the GUI in Basic or Advanced mode. In the latter case, if you want to access the Expert Options you first have to change the Basic/Advanced UI mode to Expert, as described in Selecting UI mode.

VMware advanced restore options

A VMware VM consists of data that is stored in a single disk file – the Virtual Machine Disk (VMDK) file format; it stores all contents of the VM's hard disk drive. Each VM can have one or more .vmdk files, which means that a VM can contain several VMDK files (or hard disk drives). The number of .vmdk files depends on the size of the virtual disk. VMDKs can be provisioned in three different formats: Thin, Lazy Zero Thick (flat) or Eager Zero Thick. To improve restore performance, you may want to change the provisioning method for restore.

When restoring a VMware VM, by default the VM's virtual disks are restored with their original provisioning used at the time of backup. You may force another disk provisioning method: thin, eager or lazy that will be applied to all restored VMDKs, by specifying the following command in the restore options field:

-a disk[type]=thin|eager|lazy

If set, this option overrides the VMDK disk type of all VMDKs for VM restore.