Case Studies

Data Recovery from Crashed Heads

A "head crash" occurs when the heads of a hard disk drive.....read more >>

Seismic Data Conversion

A data acquisition client approached us with their 3D marine.....read more >>

Failed RAID Array

Where two drives simultaneously fail or the RAID is degraded.....read more >>

Half Inch Tape

One of our customers approached us with a half inch IBM.....read more >>

Data Forensics

ACPO Guidelines for Electronic Evidence.....read more >>

Magneto Optical Drives

DICOM (Digital Imaging and Communication in Medicine) has become the standard medical image format.....read more >>

Sticktion Problems

When Regal Petroleum wanted to revisit seismic surveys.....read more >>

Electronic/Firmware Failure

When the external electronic components have.....read more >>
 
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Sticktion Problems for Regal Petroleum

When Regal Petroleum wanted to revisit seismic surveys recorded on half inch Fujitsu tape in the Ukraine over 15 years ago, they were faced with a common problem - sticktion!

Old tape often becomes sticky, shedding oxide at an alarming rate and this sticktion soon causes loss of quality, screeching and even slowing down if not attended to. It is related to moisture in the atmosphere, which infiltrates the laminate of the tape and effects the lubricant - thus the tape has a tendancy to "stick" causing creasing or even tearing when passing over the read/write heads.

Regal found that sticktion had effected the majority of their tapes recorded in the 1980s. We find that mass-produced tapes of this era are far less reliable than the older tapes from the 1970s, where the quality is more pronounced because less were produced. In order to overcome the problem, we first had to drive out the moisture by curing the tapes in a purpose built oven for 72 hours. Thereafter, the tapes have to be re-lubricated and relaminated, before attempting a read on a propriatory tape drive that we have specifically built to avoid sticktion on the heads. Although the complete project took almost one month to complete, not one single byte of data was lost!

Fujitsu
Maxtor
HP
Hitachi
IBM
Samsung
Seagate
Western Digital
Windows
Apple
Red Hat
Linux
Unix
Ubuntu

Data Storage Specialists is part of a wider group of companies incorporating:
Data Recovery Specialists | Data Conversion Specialists | Computer Forensics

Data Recovery, Data Conversion and Data Forensic Specialists are a trading name for Data Recovery Services Ltd
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