RAID Server Repair
RAID, which stands for Redundant Array of Independent Drive, configurations are thought to be one of the most reliable ways to store data available. It’s for this reason that RAID servers are used so frequently, for everything from small business data storage, to the storage of vital employee information in large corporations.
Due to the RAID’s reputation as being so reliable, it can come as an incredible shock when a RAID server experiences a failure, but unfortunately it does happen.
RAID servers are reliable because of their high level of redundancy, which means that even if one drive of the array fails, the data will be stored on the remaining drives, but in certain circumstances, all of the drives can fail, opening up the possibility of a loss of data.
Common problems that can lead to a RAID failure include:
- Broken arrays
- Lost volume
- Corrupted RAID configurations
- Multiple disk failure
- Controller failure
- Failed drive or drives
- Parity errors
While these are common causes of failures, this list certainly isn’t exhaustive, and there are a number of other reasons that RAID server could fail and the user could experience the potential for the loss of data stored on the system.
Often, when a RAID array fails, the user will attempt to utilize their own techniques to repair the system, including rebooting, repairing the configuration and replacing a failed drive, but frequently, these techniques do not fix the problem, and when conducted by a nonprofessional can actually cause the data to become permanently irretrievable because further damage is incurred. When someone without the proper tools and training tries to rebuild a RAID array by switching out the hard drives or replacing the controller, the result can be very detrimental to the parity and striping of the array, which will render all data permanently lost.
RAID repair should be performed only by trained and experienced data recovery technicians. The first step that will likely be performed by technicians will include a full diagnostic exam of the array, including taking sector-by-sector images of the drives. The data recovery engineers will then move onto rebuilding the array, and after the rebuild, the data will likely to be saved and tested, to ensure that it has maintained its integrity throughout the repair process.
RAID data recovery is a particularly complicated process, because RAID arrays are manufactured by a variety of companies, and in many circumstances feature different data layouts. In order to be effective in the RAID repair and recovery process, it’s necessary that technicians possess comprehensive knowledge of the configuration of RAID arrays at multiple levels, including at the hardware, firmware and software levels.
RAID server repair and data recovery typically can’t be conducted at standard computer repair shops, because it does require a specialised level of knowledge, as well as the proper tools, techniques and environment. A data recovery service can not only initialize and rebuild a new array, but can also work to get back your valuable data that could have otherwise been lost forever.