| With the budget required to afford a RAID system | | | | rebuilding. After rebuilding is done, the RAID system |
| you might be a little surprised to find that RAID data | | | | will be back to full efficiency. |
| recovery is required. Well, any RAID system provides | | | | As pointed out above, a RAID system can fail if |
| increased data security by being fault tolerant but | | | | multiple drives fail. If this happens your data might be |
| they are not fault proof systems. RAID data | | | | compromised and you will need a RAID data |
| recovery will be required if there are multiple hard | | | | recovery specialist if backup of the data was not |
| drives that fail or for some reason other serious | | | | made. Success rates of data recovery specialists are |
| problems occur. | | | | encouraging, especially with RAID systems. A |
| When a drive from a RAID system fails, the system | | | | respectable data recovery company has specialized |
| itself is able to keep functioning based on the built-in | | | | facilities, equipment and software that to help them |
| redundancy. The lost information that the damaged | | | | restore the data from the damaged drives. |
| drive was storing will be regenerated on the fly from | | | | There are standard recovery procedures for RAID |
| the parity data but the performance of the RAID | | | | data recovery. The system will be evaluated to |
| system will be negatively affected and the state of | | | | detect the exact problem then the data from the |
| the system will be recognized as critical or degraded. | | | | drives will be extracted in separated images. From |
| This is the advantage of the RAID system, it can still | | | | the drive images the information will be put together |
| run while a drive is damaged. But, it is not a good | | | | and saved on a media of your choice |
| idea to live it running in a degraded status because | | | | The information that is usually stored on such high |
| you will be putting your data at risk. The whole array | | | | cost RAID storage systems is high priority |
| will be vulnerable while running in a degraded state, | | | | information, probably important for business. For this |
| because the redundancy is disabled until the moment | | | | reason, in the eventuality of problems with the RAID |
| the lost drive is rebuilt. After the lost drive is replaced | | | | system shutting down the system is imperative and |
| with a new one, the RAID controller will start | | | | RAID data recovery specialists should be contacted. |
| regenerating the lost data on it, this process is called | | | | |