Alicia A. Coon COSC 480 October 27, 2006 Data Recovery Alicia A. Coon COSC 480 October 27, 2006

Overview Definition Types of Media Damage Today’s Data Recovery Recovery Methods Prevention Summary Sources Questions

Definition Data recovery is the process of salvaging data from damaged, corrupted, wrecked or inaccessible primary storage media when it cannot be accessed normally. Often the data is being salvaged from storage media formats such as hard disk drive, storage tapes, CDs, DVDs, RAID, and other electronics. Although there is some confusion as to the term, data recovery can also be the process of recovering deleted information from a storage media for forensic purposes.

Types of Media Damage Logical Physical Human Error

Logical Damage Most Common Cause of damage Prevention of the file system structures from being completely written to the storage medium Power Outages System Crashes

Solutions for Logical Damage Use the operating systems’ utilities Windows - chkdsk Linux - fsck Mac OS X - Disk Utility Recovery software

Physical Damage Physically Damaged Acts of Nature Some data loss Water Fire Some data loss May cause logical damage

Solutions for Physical Damage End user should not try to fix Could cause further damage Do not have the expertise Give to a data recovery company Cleanrooms Reconstruct the usable data after any logical repairs

Pictures of Physical Damage

More Pictures of Physical Damage

More Pictures of Physical Damage

Human Error Deleting items by accident Physically damaging media

Solutions for Human Error Recovery software Give the media to a data recovery company

Today’s Technical Challenges and Recovery Techniques Ontrack Data Recovery Mechanical problems more difficult do to smaller drives and increased media capacity Same techniques, New techniques

Recovery Methods Recovery Software In-Lab Services Remote Data Recovery

Recovery Software EasyRecovery FileRepair EasyRecovery EmailRepair EasyRecovery DataRecovery EasyRecovery Professional

EasyRecovery FileRepair Repairs and restores corrupted or inaccessible Microsoft Office and Zip files into new readable files Three Steps Select the corrupted file Software repairs the corrupted file and retrieves internal file information Restores the corrupted file by creating a new usable file $339.00

EasyRecovery EmailRepair Repairs and restores email data from corrupted or inaccessible Microsoft Outlook and Outlook Express files Can be accessed, but not opened Also corrupted Zip files Uses same three step process $279.00

EasyRecovery DataRecovery Recovers lost, inaccessible or deleted data with added file repair capabilities for Zip files Three Steps Scan the media for lost data Select folders and files to recover Copy lost folders and files to a safe location $199.00

EasyRecovery Professional The complete solution for your data recovery needs, includes capabilities of EasyRecovery DataRecovery EasyRecovery FileRepair EasyRecovery EmailRepair Plus enhanced data recovery options and diagnostic features $499.00

In-Lab Services The most severe and complex data loss situations Use of a cleanroom Expertise

Down Side to In-Lab Services Expensive $1,000 per hard drive Have to give or send media to the data recovery company

Remote Data Recovery Performs lab quality recovery right on your desktop or laptop in as little as one hour through a modem or Internet connection A secured connection by using a proprietary communication protocol, encrypted packets, and safe facilities Recovered data is restored to your system or copied to a new destination and is accessible upon completion

Up Side to Remote Data Recovery Quick, Convenient, and Cost Effective Do not have to send media to the data recovery company

Prevention Make Backups Regularly Test Backups Periodically Store Backups in an Offsite Location Monitor Your Computer’s Health Consider Data Recovery

Summary Data recovery is the salvaging data Three types of media damage Logical, Physical, & Human Error Today’s data recovery challenges Recovery Methods Recovery Software, In-Lab Services, & Remote Data Recovery Data Recovery Prevention

Sources http://www.webopedia.com/TERM/d/data_recovery.html http://en.wikipedia.org/wiki/Data_recovery http://www.cdrdatarecovery.com/ http://www.datarr.com/damage.html http://www.bestpricecomputers.co.uk/reviews/advice/data-recovery.htm http://www.ontrack.com/ http://www.msnbc.msn.com/id/9369447 http://www.computerworld.com/

Questions???