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PowerSearch for RAID
RAID Recovery includes an advanced, RAID-enabled version of PowerSearch, a proprietary data recovery technology used in this and other data recovery products. PowerSearch is designed to locate and recover files that do not appear in the file system (e.g. partially overwritten data or files deleted a long time ago). The technology is based on matching information read from the surface of the disk being recovered to an extensive collection of file signatures. When a recognizable header is detected, PowerSearch is able to determine the exact location and length of the file by analyzing structures in the header. The technology works for several hundred types of files produced by popular applications, including digital pictures, office documents, multimedia files, email databases, and compressed archives.
PowerSearch is an integral part of RAID Recovery. The technology is automatically called for when the Disk Wizard is launched. PowerSearch scans the entire surface of the hard drive or RAID array in order to locate known types of files. The latest generation of the technology is able to recover and reconstruct certain files even if they are fragmented or partially overwritten.
Accessing Files Discovered by PowerSearch
The PowerSearch technology takes a significant while to scan the RAID. After the scanning is finished, all files discovered by PowerSearch will be displayed in the Recovered Files folder. The files will be conveniently organized by the type, with files of each kind placed into a separate folder. As of today, it is not possible to preserve the original names of files and folders; therefore, it's recommended to use the pre-recovery preview option to locate files you're looking for.
Recovering Overwritten Files with PowerSearch
The latest incarnation of PowerSearch is the only technology on the market that can help you recovering overwritten files. There's no magic in being able to recover what other products consider lost forever. Technically, many applications never actually overwrite the files they save. Instead, they create a new temporary file and save data there. This is the right way of saving information as it protects data against accidental errors and power failures. It is when the temporary file is successfully written onto the disk the original file gets deleted, and the new file renamed.
Sounds simple? Then why other data recovery products are unable to follow the same logic? Most data recovery products are only looking to the file system, which in fact only contains one reference, and that's to the latest version of the file. If that latest version is damaged or overwritten, these other products won't do any good recovering it.
PowerSearch scans the entire surface of the hard drive or RAID array in order to locate all files of a given format. Therefore, all versions of a given document will be discovered. More often than not you will find a healthy, undamaged version of your document in the Recovered Files folder.
PowerSearch is constantly evolving. It's a good idea to keep your copy of RAID Recovery current to ensure you're always using the latest version of PowerSearch.
Manual Part 1 | Manual Part 2 | Manual Part 3 | Manual Part 4
