Can Power Failure Affect Losing Data On RAID 5

If a RAID 5 user is about to repair the damaged disk on a system, it is necessary to know that tools for disk recovery could not be used on damaged or incorrect disks. Such tools can be used only if the physical disk is correct. So, recover RAID data with recovery tools after you have checked that all the disks are physically correct. As well, you should not perform the defragmenting if one of the disks is incorrect. The process of defragmenting is to be performed on good disks only.

One more thing a user should know is to prevent losing power while working on RAID 5 system. That can be prevented by using tools and devices that allow you to have the power all the time. Investing in such devices that are providing continuous power supply is very important because you will prevent losing data after the power failure. Indeed, you will maybe be able to recover RAID data after the power failure, but why doing that when you can prevent the data loss? If you don’t have a device for continuous power supply, turn the system on after the power gets back and check the system how is it functioning.