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