Raid 0/1/2/3/4/5

All RAID Types Data Recovery

Redundant array of independent disks exists in nine types, that include a non-redundant array, also known as RAID 0.

RAID-0

Often called “Striping”, this RAID owes its name to the fact, that data is spread throughout the disks, after being stripped in small portions. Although it is not “fault-tolerant”, its performance is out class. If one drive corrupts, the whole system goes down, due to the lack of data protection. Array capacity is the same as the combined capacity of member disks.

RAID-1

This is also called the “mirroring” level, since the same data is written on member disks for redundancy. Although it is a useful technique for a quick data recovery, the data entry time is slower. However, it is widely used, because of its high data availability rate and its simplicity. Two physical disks are required for it.

RAID-2

Although it was lately used for the correction of RAM errors, called Hamming Codes, generally, it has become obsolete.

RAID-3

Using a striping mechanism, this type uses a dedicated parity disk, containing the parity data. Due to its poor performance, during retrieving small amounts of data, it is not used very often. However, it performs remarkably, when it comes to seqential data requests.

RAID-4

Using a dedicated parity drive, this type utilizes a block level data striping technique. Substracting the capacity of a single memory disk, the array capacity equals the total capacity of the member disks. This way, it can carry out large file transfers, and is useful for transactional operations.

RAID-5

The parity data in this type is written on either all or some of the member disk drives. The write bottleneck inherently present in RAID-4, is overcome, though parity calculation process remains the only bottleneck. The total capacity of member disks, minus the capacity of a single member disk, gives you the array capacity here. It can be optimized for large sequential access, and highly suits a transaction oriented environment.

We have been in the business since 1992, and today Magic Computer Repair possesses the technical expertise to solve all kinds of RAID data loss problems, regardless of their complexity. We know that RAID recovery is one of the most technically challenging recovery methods. We offer outstanding services for a complicated RAID array failed drive recovery.

Our employees utilize advanced tools, methods and techniques, to rebuild and recover inaccessible data from any RAID system type. Located in the region of Los Angeles CA, we can offer you recovery for:

  • Any RAID Configuration, Parity and Block Size
  • Any RAID Level
  • Any Data Loss Scenario – recover data from simple, to the most complex and catastrophic, data loss situations – including logical errors, mechanical failures, and firmware corruption.