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CHAPTER 18: Backup and Fault Tolerance
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how to use SuperDuper. Then we explored using the MobileMe Sync feature to create an offsite copy of your most critical data. Now we ll move on to covering how to use a more powerful application altogether, called Retrospect, from EMC Insignia. At its most basic usage, Retrospect can perform any of the features that SuperDuper or Time Machine can perform. However, the power of a more advanced application such as Retrospect can also go far beyond this, backing up client computers on a network, moving data between computers based on type, backing up to tape drives, and performing many other features. NOTE: There was a time when backing up a system meant writing data to a tape using a Unix tar command. Backups needed to be scripted from the ground up using shell scripts. Assigning different values to blocks and troubleshooting tar issues were standard daily routines. Many of these tasks have been automated with current software. (That s not to say that backups don t still require troubleshooting, mind you.) The first step to getting a functional Retrospect deployment is to purchase and install the application. To do so, you would first download the latest version of Retrospect from the EMC Insignia website at www.retrospect.com/supportupdates/updates. Even if you purchase the software in a retail outlet such as the Apple Store in your local area, it is still best to use the latest version of the software from the website for installation. Once downloaded, the disk image will mount. Here you will see a collection of directories and the Install Retrospect Engine package. Retrospect 8 introduces the ability to run your backups on a dedicated computer and to manage those backups from any system that is running the Management Console; this means that the Management Console can run on your laptop or on your backup server. For the purpose of this example setup, we re going to run the Management Console on the same system as the Retrospect Engine (what the Management Console manages). To put the Management Console on your system, simply drag the folder from the disk image to the Applications alias in the disk image as you can see in Figure 18 16.
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Figure 18 16. The Retrospect Disk Image
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CHAPTER 18: Backup and Fault Tolerance
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Once the copy is complete, double-click on the Install Retrospect Engine. This will bring up the Welcome to the Retrospect Installer screen. Click on the Continue button, agree to the Software License Agreement, and then click on the Continue button again. Next, you ll be presented with the Standard Install screen. Here, you can click on the Change Install Location button to select a different drive to perform the installation on, as you can see in Figure 18 17.
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Figure 18 17. Performing a standard installation
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Click on the Install button and the installation will complete. Provided that the installation is successful you will then click on the Close button to proceed with configuration of your first backup.
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Configuring a Backup
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Once you have installed Retrospect, you ll want to connect to your Retrospect Backup server. To do so, go into your /Applications directory and you will find the EMC Retrospect 8 directory. Within this directory will be the Retrospect application. Doubleclick on it to bring up the main Retrospect window, which you can see in Figure 18 18.
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CHAPTER 18: Backup and Fault Tolerance
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Figure 18 18. Retrospect
The quickest and easiest way to get backing up right away is to use the Backup, Copy, or Restore buttons in the Retrospect application toolbar. The Backup option will back up files and folders into files (essentially disk images), disks, network shares or tape media. The Copy function will copy data, uncompressed, to another location. The Restore option will allow you to restore data that was backed up using a Backup operation. NOTE: Retrospect provides more customization options once a job is created. Let s go ahead and click on the Backup option in the Retrospect toolbar, which will bring up the Backup Assistant. At the Getting Started screen, simply click on the Continue button to bring up the Select Sources screen. Here you ll be able to choose which volumes on your system will be backed up and what files to back up. For the purpose of this example, we re going to backup all of the files on the server, but keep in mind that you have a plethora of options you can bring to the table with specific files and folders that you would like to skip. For example, you can skip certain folders, certain file types (such as MP3 or AAC files) and even skip directories based on the color codes of objects that have been labeled from the finder. Go ahead and select the backup drive (see Figure 18 19) and then click on the Continue button.
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