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Informative Articles

Can RAID Systems Fail?
Technology, how we love it until something goes wrong and we end up yelling at our computer screens. If you’ve ever lost data, you know how much time, money, and headaches it can cost you to retrieve it, especially if you are a company. Data...
Common Problems Why Hard Disks Crash
There are so many reasons why your hard disk may crashed: (1) It may be caused by mechanical or physical problem such as the spindle motor system failure. This failure is usually caused by over-heating. The activity light flashing that you...
How Safe is Your Success? Part 6 of 8
"How Safe is Your Success" is a series of eight articles that address different aspects of a universal problem which is of particular importance to those who do business on-line. Most Internet users are at least aware there are dangers "out there",...
How & Why GPS Offers Affordable Fleet Tracking
There are more and more companies that are turning to Global Positioning System (GPS) technology to find out where their fleet vehicles are or have been. GPS is a satellite-based navigation system that reports the location, speed and direction of...
The Essential Data Recovery Report
Your worst nightmare just became a horrifying reality. You keep hearing that little voice in your head mockingly shout “you should have backed that stuff up” The voice keeps echoing throughout your head as you perform a quick inventory all of the...
 
RAID Disk Recovery

RAID is short for Redundant Array of Independent (or Inexpensive) Disks, a category of disk drives that employ two or more drives in combination for fault tolerance and performance. RAID disk drives are used frequently on servers and increasingly being employed on personal computers. Array is the operative word, which also dictates what the cure is going to be, when a RAID disk recovery
situation arises.

RAID disk repair, as you may expect is quite a complicated process. But the good thing going for it is the chances for retrieving lost data is higher than with most other types of disks because the typical RAID architecture strategically distributes data randomly across the array. What this sort of architecture demands of recovery professionals is to specialize in the disk’s many different levels.

In a nutshell, these are all the levels that the RAID disk recovery team is up against. RAID 0, 1, 0+1; RAID 3, 4; RAID 5; RAID 10; Hardware RAID including: AMI, Compaq, Dell, Adaptec, IBM, etc.; and, Software RAID including Mac OS;


Windows Servers including 2K, XP, NT; Linux, Solaris, Novell, etc.

Just some RAID systems that most RAID disk recovery specialists should all be familiar with are: Quantum Snap Server; Maxtor MaxAttach; Adaptec AAA131; Compaq; Dell Perc Systems; IBM; AMI; Mylex; and yes, many others!

The two most common implementations of the RAID architecture are Levels 4 and 5. Level 4 provides block stripping with a parity check. When a data disk fails, the parity data is used to create a replacement disk. Level 5 provides data stripping at the byte level and also stripe error correction information, which results in excellent performance and good fault tolerance. These two types are certainly the best friends of the RAID disk recovery expert as these are the easiest to restore when the situation arises.

About the Author


***************************************
Brad Triggs provides more information on
Data Recovery at his website:
Data-Recovery-Central.com - RAID Disk Recovery
***************************************

 

Data Recovery Software and Undelete from R-TT
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Data Recovery by CBL: Hard Drive Recovery Services
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Hard drive data recovery software to perform data recovery & recover deleted files from Novell, Linux, Unix, Mac, Windows & data recovery services for hard ...
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AT&DR: Data Recovery and Liabillity
Associated Technologies offers complete data recovery solutions with services for any type of data storage device, including the following: hard drives, ...
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Ontrack UK - Data recovery services & recovery software - hard ...
Ontrack offers data recovery services & software for: hard drive recovery, file recovery, server recovery, email recovery, tape recovery, RAID recovery.
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Beginners Guides: Hard Drive Data Recovery - PCSTATS.com
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File Recovery and Data Recovery Software. Hard Drive recovery utility
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Data recovery - Wikipedia, the free encyclopedia
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Active@ UNDELETE Data Recovery. Recover Deleted Files. Windows XP ...
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