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