Data Recovery Service and Software Experts

Three items in the news recently should serve as motivation to backup your data. I recently discussed my own data loss and emerging new backup strategy for my systems at home. If one personal anecdote isn’t sufficient motivation to backup those hard drives and make sure you have redundant ways to access whatever data you’re storing on other people’s services (for example, gmail, flickr, and so on), consider the following:

So in just these three recent stories you’ve got examples of:

1) potential issues with your wireless provider and whatever data they store in the cloud.

 2) potential issues with your operating system and whatever data you’re storing locally, and 3) potential issues with social networking services and whatever data you happen to have there. And again, these are just newsworthy failures from this past week.

My last post was primarily about backing up data on the hard drives of your home desktop or laptop computer. But we all store all sorts of data in many other places that we might want access to. Below are a few tips on backing up digital data:

• Think through an inventory of where your personal data resides. This should include any social media services you use, your own computers, your work computer (although, what are you doing storing personal data on your work computer?! really, don’t be doing that), your cell phone, your mp3 player, your email accounts, and so on.
• Develop a backup strategy for each data repository.
• Implement that backup strategy! Ideally it would be something automated, but it may be something you need to do manually on a periodic basis. (I have both situations, depending on the repository–and, candidly, I’m not following my own advice completely yet.)
• Occasionally do a dry run and make sure that you can actually recover the data from whatever backups you’ve made.
• Think about and try to have geographic distribution of your backups; in other words, don’t keep all of your backups in one place and make sure you have backups stored someplace other than your house (in case of fire or flood).

Filesystem fragmentation is a problem with which many computer users are familiar. Many, however, are not.

They don’t know that filesystem fragmentation reduces performance so that they have to wait longer for their applications to respond. Gaming in particular can suffer–probably the most common high performance need for home computer users.

Those who know these basic problems presented by filesystem fragmentation usually know about defragmentation programs, and they sometimes even use them. A lot of people don’t use them nearly enough. That can be especially important considering the security implications.

The list of immediate security concerns is short, but considering the relative ease with which defragmentation can (usually) be accomplished, they’re important enough to go to the trouble when you need it.

Security problems include three key issues:

1. disaster recovery: If your system suffers some kind of filesystem corruption, and you need to recover the data, many recovery tools can do so using a file allocation table. If that is corrupt, though, a longer and more difficult process needs to be used–and if your filesystem was significantly fragmented, that can increase the difficulty of a successful recovery quite a lot, as recovery tools will tend to have a harder time reconstructing complete files. Obviously, you should have good, up-to-date backups, but if the filesystem is corrupted between when critical data arrived and when the next backup was scheduled, this may be a very real problem for your data security. 

    

2. I/O activity: The more fragmented the data on your drive, the more physical operations a drive has to make to read the data your system needs and write data you wish to save. This can consume more power, generate greater heat, and degrade your system more quickly because of wear on the moving parts. Standard SSDs (solid-state drives) are limited to a particular number of write operations due to integral design characteristics required to make them maintain state when power is cut, which means that greater fragmentation can reduce operational lifespan as well, though the defragmentation process itself will also reduce the life of an SSD. Such circumstances can threaten data security in the long run due to the growing likelihood of an eventual crash. 

    

3. performance: You may think that reduced performance is just an annoyance, but it isn’t. It also affects the speed, efficiency, and effectiveness of security software such as application layer firewalls and virus scanners. Virus scanners in particular are affected, because they are not only directly affected when the scanner applications and their virus definitions are fragmented, but also because they have to be able to scan the entire filesystem regularly to provide complete protection. Making backups can also suffer.

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