10 Mar 10 Deduplication Backup Software
People looking into deduplication backup software to backup their office data should familiarize themselves with three different aspects of the software and also the technology behind it. They are how deduplication backup technology works, the choices for implementation of such a backup system and what costs you can expect. What follows is an explanation of these points which will provide you with some background for choosing the right deduplication backup software to meet your needs.
Computers or computer networks often contain several copies of the same file but single instance deduplication ignores the duplicates and will just backup one instance of a file. Traditional backup software used to save many instances of the same file even though that created a lot of duplication. The technology of single instance deduplication is different in that it identifies all copies of a data file but is only backs up one instance of it and saves the others as pointers. This results in a situation where redundancy is greatly reduced and you therefore save a great deal of space on your storage drives. As an additional benefit, deduplication technology also eliminated redundancy with regards to multiple backups of your operating system. Implementation of a deduplication system can be carried out in different ways.
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There are two different ways to implement data deduplication technology. Your first choice is to employ a server that is dedicated to data backups with the deduplication software installed on it. It is also possible to integrate the technology into your backup software directly. The implementation method that relies on software is advantageous since it does not require you to purchase or service specific hardware that will only be used for backing up computer data and nothing else. Another benefit of deduplication software is that there is no requirement for complicated changes to be made on your computer or network. On the other hand, there is a disadvantage to the software in that installing and routine maintenance often disrupts the work flow on your computer or network. It is wise to also understand what the pricing is for deduplication disk systems.
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Deduplication disk systems generally cost about the same amount as type libraries that hold similar amounts of data files on them. Pricing averages at about one dollar for every GB backed up. Since the price is about the same as tape libraries customers do not loose anything plus they gain all the benefits of discs including the fact that they save a lot of storage space using disks over using tapes. What you should further keep in mind is that when evaluating the cost of a deduplication system you should consider both your initial output as well as ongoing expenses required to maintain the system.
Understanding deduplication backup technology will help you analyze if it is the right type of backup system for you. Having a grasp around the different ways to implement the system will help you choose the type you need. Determining the costs will help you budget this system into your company’s expenses. If you have done all of your homework and acquired the right knowledge then it will be easy to choose the right deduplication backup software.
