To avoid expensive professional data recovery services, recognize when to call them, stop disk writing immediately, unmount the file system, practice data recovery, and have a reliable backup system. Linux data recovery is difficult and requires knowledge of file systems and command lines. Practice recovery before it’s necessary and avoid examining raw files during real disaster recovery.
Top Linux® data recovery tips include learning to recognize when your business requires the services of professional data recovery specialists, stop all disk writing as soon as possible, and unmount the file system. It is also highly recommended that you practice Linux® data recovery before such skills are needed, to know which tools can come in handy during the process, and to have a reliable backup system in the first place. All of these tips will prove extremely helpful in the event of a Linux® disaster recovery process. In fact, not following them almost always results in having to hire specialists whose services can be very expensive.
Linux® data recovery is an extremely difficult task and is usually impossible for the typical user who does not understand file systems or how to work on the command line. Understanding all of this is a person’s first step in knowing when to approach recovery alone and when to leave the daunting task to specialists. Following this Linux® data recovery tip helps save time and frustration, but usually proves very expensive if specialists have to be hired. People who are not familiar with working on the command line and who do not understand the basic “tree” that represents the Linux® file system should be especially concerned with setting up a reliable backup process to try and avoid the need to manage Linux® data recovery.
As soon as it is discovered that data has been lost due to accidental deletion, some kind of data corruption, or damage to a disk, it is extremely important to immediately stop all writing to that disk. The disk could be local or a removable drive; a floppy disk is also a disk. This Linux® data recovery tip is so important because on multi-user systems, file inodes are made available immediately after they are deleted. Inodes contain the information needed to complete the restore process. They reveal the file type, owner names, access rights, timestamps, file size and attributes.
It should be remembered that Linux® data recovery involves examining the raw data using a process known as pattern matching on the disk from which the information was accidentally erased. Therefore, it is crucial to practice recovery before it is necessary. You can create practice files, enter some information into them, and then delete them to practice the process. Attempting to examine a raw file for the first time during real disaster recovery will almost always end in failure. Using pattern matching to look for candidates that allow for the reassembly of parts of the deleted data is a very tedious task that requires knowledge or what you are doing.
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