2009 | DataRecoveryUnion.com

Choosing a data recovery company can be risky business. If your hard drive fails, you’re up a creek without a paddle. There’s not a really good way to get the data off of your drive yourself, provided that it’s physically damaged, so if you can afford it, your only real option is a data recovery service; however, the industry has a lot of imposters and a lot of scam artists.…

Computer Forensic

What is Data Carving?

DATARECOVERYUNION.COM15 years ago11 years ago04 mins

Data Carving is a technique used in the field of Computer Forensics when data can not be identified or extracted from media by “normal” means due to the fact that the desired data no longer has file system allocation information available to identify the sectors or clusters that belong to the file or data.…

Data Recovery

Why did data loss?

DATARECOVERYUNION.COM15 years ago11 years ago011 mins

Physical damage A wide variety of failures can cause physical damage to storage media. CD-ROMs can have their metallic substrate or dye layer scratched off; hard disks can suffer any of several mechanical failures, such as head crashes and failed motors; and tapes can simply break.…

Hard Disk Repair

Solve Disk Imaging Problems (Part 3)

DATARECOVERYUNION.COM15 years ago11 years ago012 mins

Customizing Imaging Algorithms Consider the following conflicting factors involved in disk imaging: §§ A high number of read operations on a failed drive increase the chances of recovering all the data, and decrease the number of probable errors in that data.…

Hard Disk Repair

Solve Disk Imaging Problems (Part 2)

DATARECOVERYUNION.COM15 years ago3 years ago06 mins

Disabling Auto-Relocation and SMART Attribute Processing While the methods outlined in the previous section go a long way to obtaining an image of the data, other problems remain. When drive firmware identifies a bad sector, it may remap the sector to a reserved area on the disk that is hidden from the user (Figure 3).…

Hard Disk Repair

Solve Disk Imaging Problems (Part 1)

DATARECOVERYUNION.COM15 years ago3 years ago38 mins

Imaging tools provide custom hardware and software solutions to the challenges of read instability. Processing All Bytes in Sectors with Errors While the system software works well with hard disk drives that are performing correctly, read instability must be dealt with using specialized software that bypasses the BIOS and operating system.…

Hard Disk Repair

Disk Imaging Problems

DATARECOVERYUNION.COM15 years ago11 years ago08 mins

Disk imaging is not a trivial task. Degraded drives and drives whose physical defects have been repaired often yield a high read error rate, or read instability. Read instability means that multiple readings of the same data tend to yield different results each time.…

Data Recovery

3D Data Recovery process

DATARECOVERYUNION.COM15 years ago11 years ago06 mins

Data recovery firms are missing out on data they could retrieve with the complete 3D Data Recovery process. Proper data recovery involves three phases: drive restoration, disk imaging, and data retrieval. But data recovery professionals can face frustrating problems when imaging a damaged disk.…