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©Copyright 2012 by assassin @ assassinserver. All rights reserved. This guide and its contents are copyrighted by assassin @ assassinserver. This may be used for personal use by the purchaser only; users are forbidden to reproduce, republish, redistribute or resell and material from this guide without the permission of assassin @ assassinserver.

Table of Guides (with quicklinks):

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Introduction to SnapRAID

Thanks to wraslor for contributing to these guides

What is SnapRAID? 

SnapRAID is a free backup program for disk arrays. It stores redundancy information in the disk array and allows recovering from up to two disk failures. This means you can have up two hard drives fail at the same time and still recover all of your data.  SnapRAID is targeted at the home theater pc or media server audience where you have large files that rarely change.

Like Flexraid (but unlike Unraid) you will need an operating system like WHS 2011 installed.

Features of SnapRAID are:

  • You can start using SnapRAID with already filled disks.
  • The disks of the array can be different sizes.
  • You can add additional disks at any time.
  • If you accidentally delete some files in a disk, you can recover them.
  • If more than two disks fail, you lose the data only on the failed disks. All the data on the other disks is safe.
  • It doesn’t lock-in your data. You can stop using SnapRAID at any time without the need to reformat or move data.
  • All your data is hashed to ensure data integrity and to avoid silent corruption.

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SnapRAID Installation

Step one: Head over to http://snapraid.sourceforge.net/download.html and download the latest version.

Extract it to a destination of your choosing.

After it has extracted you will be presented with the files.  Locate the “snapraid.conf.example” file and rename it to “snapraid.conf”

Select “Yes” when asked if you are sure you want to change it.

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Installing the GUI

Step two:  The GUI uses .net 4 framework which can be found at https://www.microsoft.com/en-us/download/details.aspx?id=17718  If you already have this installed skip to step three if unsure download and run the install file located at the link above.

Step three:  Download the GUI from http://elucidate.codeplex.com/ and run the install. This will give you a graphical interface to configure SnapRAID.  Although it is possible to control SnapRAID strictly from a command prompt I find it easier to have a GUI.

Step four:  After it installs you will be presented with the below window.  Select the directory where you extracted SnapRAID so that it looks like this:

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Setting Up Your Drives

Step five:  Delete the default Snap Shot Sources that are prefilled in.

Step six:  Select the drives or directories you wish to have SnapRAID monitor and protect by dragging them over to snap shot sources.

Step seven: Select your parity drives.  Raid 5 will protect from 1 drive failure, Raid 6 will protect from 2 drive failures.  (Note parity drives must be as big, or bigger than your largest data storage drive.  Example: If I have a 2tb movie drive, a 1tb movie drive, and another 1tb movie drive, my parity drive must be at least a 2tb drive)

When done click on save settings.
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Scheduling

Step eight: You will now see the following window, click on “Simple Scheduling”

Click “Edit”

Select “Run whether user is logged on or not”

Click the “Triggers” tab

Select the trigger and click “Edit”

You can set the following up how you see fit, I set mine up as follows:  “On a schedule”, “Weekly” for “Sundays at 2:10 AM”.  Uncheck the option for “Repeat task every:”

Step nine:  Click the “Conditions” tab and make sure wake the computer to run this task is checked.

Click ok and you are done.  You have now configured SnapRAID to monitor and protect your drives and to update the parity information on your schedule.

www.assassinserver.com

©Copyright 2012 by assassin @ assassinserver. All rights reserved. This guide and its contents are copyrighted by assassin @ assassinserver. This may be used for personal use by the purchaser only; users are forbidden to reproduce, republish, redistribute or resell and material from this guide without the permission of assassin @ assassinserver.

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