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RAID technology combines physical hard disks into a single logical unit either by using unique hardware or software thereby offering redundancy and increasing data availability. However, RAID configurations are typically complex and when a RAID system does fail, it can threaten a large amount of critical data and put your business at extreme risk. Common RAID failures include: · Multiple disk failure · Loss of RAID configuration settings · Inadvertent reconfiguration of RAID volume · Loss of RAID disk(s) access after system or application upgrade · RAID Controller Malfunction · RAID rebuild error or volume reconstruction problem · Missing RAID Volumes · Incorrect replacement of good disk element belonging to a working raid volume
Action Steps
The best contacts and resources to help you get it done
 What you should know 1st off
Whatever the cause of your hardware failure and data loss, this is what you should do right now:
* Do not panic
* If a drive is making unusual mechanical noises, turn it off immediately and get assistance
* Do not replace the failed drive with a drive that was part of a previous RAID system
* Have a valid backup before making hardware or software changes
* Try to restore the backup to secondary system rather than the failed system
* Label the drives with their position in a RAID array
* Do not run volume repair utilities on suspected bad drives
* Do not run defragmenter utilities on suspected bad drives
* Do not attempt to repair the failed device
I recommend: http://www.cbltech.com.au/raids.html?id=1 Whether you need RAID 0 data recovery, RAID 5 data recovery, or anything in between, CBL Data Recovery has you covered. Regardless of the size, configuration, operating system or platform of your enterprise storage system, whether it be a multi-disk RAID array system, SAN, NAS or other multi-disk server system, CBL‘s highly qualified engineers can recover your data even if all other means of retrieval have failed.
Tips & Tactics
Helpful advice for making the most of this Guide
- Get facts together about your RAID:
-- SERVER AND RAID INFO --
What Type of RAID? RAID 0, 1, 5, 10 etc.
How is it controlled? (ask for the controller and cables)
-Hardware
-Software ( version , file type )
# of Volumes?
Capacity of the drives (how many GB for each drive)
What type of drives (IDE or SCSI)
Block Size used? (offset of starting block)
Details - additional RAID information
**Make sure the drives are labeled in the order they were plugged in
 Recommended Solution Providers | Back to top |
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St Leonards, Sydney, NSW Australia
(02) 9437 5755
1800 287 225
Offering cost effective and technologically advanced data recovery services. Our expert data recovery engineers and customer service staff work to solve your disaster recovery crisis quickly and efficiently.
Announces a new software utility that radically reduces the time it takes to recover data from crashed multiple disk RAID arrays and other Enterprise Storage Systems such as SAN's and NAS's.
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 Best Sites to Learn More | Back to top |
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And understand the technology
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