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Computer Backups

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Lesson 4: Restore Your Data

We all hope that we never lose data from our system, but for most of us, that day will come. In this lesson, you learn the steps to take when your system fails and you need to retrieve data from a backup. You'll discover the impact your choice of backup media and backup strategy have on the data restoration process and learn techniques for getting back on your feet quickly.


Computer Backups

Restore from Backup

Unfortunately, you can count on disaster eventually striking your system. It may come in any of the forms you learned about in Lesson 1 of this course: a fire, a hurricane, or a simple power surge that causes you to lose critical data.

Fortunately, the material you learned in the first four lessons of the course provides you with the knowledge you need to implement a sound data backup strategy. That strategy will be your saving grace when disaster strikes -- you'll simply fix whatever went wrong with your computer and restore your vital data from backup. This knowledge should help you sleep better at night.

In this lesson, we take a brief look at the techniques used to restore data from backup. The process is similar to the process used to back up data, but takes place in the reverse order. Before you begin the data restoration process, there are a few questions that you need to answer:

  1. What data needs to be restored? Did the emergency event destroy all of the data on your computer? If so, you'll need to conduct a full restoration. Was it a localized problem, such as someone accidentally deleting a file? If this is the case, you may have to restore only one or two files.
  2. Where ' s the data backed up? Determine the set(s) of backup media that contain the data to be restored. If your most recent backup was a full backup, you'll only need that set of media. However, if you've done incremental or differential backups, you'll need multiple sets of media. Differential backups require the most recent full backup along with the most recent differential backup. Incremental backups require the most recent full backup along with all intervening incremental backups.
  3. Where should the data be restored? Do you want to simply restore the data to its original location on the disk? If you're rebuilding your system, you probably do. However, if you're hoping to access an older version of data and need to reconcile the files manually, you might want to restore data to a different location so that you may work with both copies simultaneously.
  4. Is any software necessary? If your entire system failed, you'll probably need to install software (unless you backed up the entire system) as well as data. In this case, you might want to reinstall the operating system and install any necessary applications prior to restoring data from backup.

After you answer these questions, you're ready to begin the data restoration process. If you're using Microsoft Backup, follow the steps outlined in the next section of this lesson. If you use third-party software, the process is similar, but you should consult the manufacturer's documentation for further details.


Computer Backups

Restore with Microsoft Backup

The steps for restoring data with Microsoft Backup are similar to the steps you learned in the earlier lesson to create the backup in the first place.
  1. As you did earlier, start the backup wizard from the Start menu, selecting All Programs > Accessories > System Tools > Backup. The same wizard that you used to create the backup walks you through the process of restoring data from backup. Figure 5-1 shows the wizard's opening screen.

Figure 5-1: Start the backup wizard.
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Figure 5-1: Start the backup wizard.

  1. Click Next to bypass the wizard's first screen.
  2. Select Restore files and settings, as shown in Figure 5-2, to switch the wizard into restore mode.

Figure 5-2: Choose to restore files.
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Figure 5-2: Choose to restore files.

 

  1. Click Next to move ahead in the process. This is where things begin to get a little different. The wizard presents a directory structure obtained from the backup media with a checkbox appearing to the left of each file and directory, as shown in Figure 5-3.

Figure 5-3: Select the files to restore.
Figure 5-3: Select the files to restore.


Computer Backups

  1. You have options at this stage of the restoration. You can simply choose the checkbox next to the top-level node to restore all of the data in the backup, or you may navigate through the directory structure and select those specific files and/or directories that you would like to restore. Selecting a directory automatically selects all of the files and subdirectories contained within it; however, you can subsequently navigate through those subdirectories and deselect files that you don't want to restore.
  2. When you've selected the data that you'd like to restore, click Next. The wizard shows you a summary screen for your restore that is very similar to the summary screen you reviewed during the backup process.
  3. As with the backup process, clicking the Advanced button enables you to customize certain aspects of the recovery process, but if you are happy with the default options, you could simply click Finish and the restoration would begin. For now, though, let's take a few minutes to walk through the advanced options, so click Advanced, as shown in Figure 5-4.

Figure 5-4: Click the Advanced button.
Figure 5-4: Click the Advanced button.

 

  1. The first option, shown in Figure 5-5, enables you to select a specific restore point, which provides you with a great deal of flexibility. For example, for whatever reason you may not want to restore data to its original locations. In the previous lesson you answered the question, "Where should the data be restored?" This is your opportunity to provide Microsoft Backup with the answer to that question. Click Next after you choose one of the three options:

Restore the data to its original location.

Restore the data to a single folder.

Restore the data to an alternate location.

If you select to restore the data to a single folder or to an alternate location, a new text box appears enabling you to specify the appropriate restore point.

Figure 5-5: Select a restore point.
Figure 5-5: Select a restore point.

 

  1. Select the way you'd like to deal with existing files, as shown in Figure 5-6. Basically you're telling Microsoft Backup what it should do if, during restore, it encounters a copy of the same file already on your hard disk. Click Next after you choose one of the three options:

Leave the existing files.

Replace existing files if they are older than the backup files.

Replace the existing files.

Figure 5-6: Decide what to do with existing files.
Figure 5-6: Decide what to do with existing files.


Computer Backups

  1. The wizard asks you to specify how Microsoft Backup should deal with security settings, junction points, and volume mount points, as shown in Figure 5-7. Click Next after you select or deselect one or more of the three options:

Restore security settings (selected by default).

Restore junction points but not the folders and file data they reference.

Preserve existing volume mount points (selected by default).

Figure 5-7: Choose whether to restore security or special system files.
Figure 5-7: Choose whether to restore security or special system files.

 

  1. The wizard presents a new summary screen, as shown in Figure 5-8, reflecting your updates, but without the Advanced button. Confirm your settings, and then click Finish to initiate the restore.

Figure 5-8: Updated summary screen.
Figure 5-8: Updated summary screen.

 

That's it --you've just successfully restored data from a backup.


Computer Backups

TIP
Do not wait until disaster strikes to test your data restoration process. You don't want to be in a critical situation when you discover that your system isn't working properly! Practice restoring a full backup as well as single files from a backup on a periodic basis for two reasons. First, it reassures you that everything is functioning properly. Second, it ensures that you have the knowledge necessary to restore a backup if disaster does strike.


Computer Backups

Learned Lessons

Any loss of data should be regarded as a learning experience. If you had to restore data from backup, something went wrong and necessitated the restoration, and you should learn what you can from that situation.

Granted, some disasters are unavoidable. If a tornado comes along and blows your house down, for example, there probably wasn't much you could do to prevent it. However, if you take a few minutes after completing the data restoration process and think about what worked well and what went wrong, chances are you'll learn something that can help you protect your data even more effectively in the future.

Here are some questions you might want to ask yourself in the wake of a data disaster:

What caused the data loss? If you were the victim of a natural disaster, the answer to this question may be obvious. On the other hand, if you suffered a hardware or software failure, it might take a little detective work to get to the bottom of the disaster.

Is there anything that could have been done to prevent the data loss? Perhaps some control that would have protected your system wasn't in place.

If there was something that could have been done, should it be implemented now? If it's cost effective and there's a reasonable chance the same disaster might recur, you might want to implement those protective measures to further strengthen your system's defenses against disaster.

Did the data restoration process proceed smoothly? Were there any glitches encountered when you attempted to restore your data? Did you have all of the data that you needed when you completed the restoration? Did the restoration process succeed without any technical failures?

Are any revisions to your backup plan necessary? Perhaps you need to include previously unprotected data in the plan. Would it be wise to conduct backups on a more frequent basis? Are you keeping backup media long enough?

In any event, you should pat yourself on the back whenever you successfully survive a data emergency and your backup plan saves your critical data!!!


Computer Backups
 

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PLEASE make a backup plan for your data and files on your computer now."It is not a question of IF your hard drive will fail, but it's a question of WHEN it will fail. All you can do is to be ready when it does fail by having a copy of all of the files on your hard drive saved away from your computer."
- Gene Barlow, Hard Drive maintenance expert and author of 'Backing up your Hard Drive'

Click to find our more about secure automatic backups.

These notes are meant to be a guide only, and Pacific Websites, Alan Pattinson, and any associates cannot be responsible for any errors, omissions, or damages as a consequence of using the information contained on this website. Exercise caution when reading anything on the internet. But please get a backup system working NOW, rather than too late. Disasters, accidents, and theft can happen anytime.


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