In information technology, there is a back up, or also known as data backup, of all computer data taken and saved somewhere else so it can be accessed in case of a data loss situation. The word backup in its context is very generic and covers almost every possible circumstance where information is lost from the computer such as hard drive crashes, system failure and so on. The verb form, when applied to computer systems, is usually “to back up” while the adjective and adverb forms, when applied to data, are either “on”, “of”, “into” or “with”. When describing the back up process, the amount of information typically backed up will vary depending on the particular system and application.
There are many reasons for which businesses require a backup and the most common reason is to ensure the continuity of business. A business data backup consists of two components, namely: an external hard drive or tape backup and an internal hard drive or server backup. Both of these backups exist to protect the business data from disaster and the maintenance of the system. The external hard drive or backup serves the purpose of backing up business data in case of system crash, hardware failure or virus attack. In addition, backing up the system software creates another copy of the software which is available for use by the IT staff in the event of system failure.
Businesses require daily backup because of the risk of data loss. This is because a business’ critical and most valuable information is stored in the company’s database, which is prone to system failure and is only recoverable through a restore point. In cases when the system fails to recover, the entire business will be put at risk. With a restore point, any lost information can be recovered. For companies that have a need to restore or recover information at regular intervals, an external hard drive or tape backup serves well enough.
It is important to keep in mind that restoring the information to its original state will lead to additional costs. Most people do not fully understand the cost of restoring their system back to its original status. A good example of this is disk cloning, which is also commonly referred to as data deduplication. This method of recovery requires the client to purchase and copy the entire hard drive. The cost of the drive cloning is quite high as compared to other typical methods. In addition to that, it is also considered as one of the most difficult recovery methods.
The process of backup and recovery includes several stages. At the initial stage, the backup data may already exist. It may include only the log files, operating system data, caches, and other temporary files. This is usually referred to as an initial backup, which will serve as the initial index for the restorative copy.
The restore stage is often considered the last stage. This is usually when the business data may require more restoration and analysis. It is when the restore will be performed after the deduplication process. This will require the creation of new working copies and the integration of new data into the existing backups. The new backups will be designed such that they mirror exactly the copy that was removed during the duplication process.
Depending on the nature of the disaster that occurred, different recovery procedures may be necessary. When disasters occur that result to loss of data much more than normal backups are used. Disaster recovery software plays a big part in ensuring that business data is recoverable in the least possible time. Most disaster recovery software uses media such as DVDs or flash drives to ensure the safety of stored data.
What is backup and restore involves a great deal of work, preparation, and implementation. It is therefore essential that businesses use disaster recovery techniques and software to help them in recovering from any kind of data loss. Backup programs are very useful because they simplify backup procedures. They also provide users with easy access to restore points and make it easier for them to perform backup operations.