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Skip Navigation LinksRaid Recovery > RAID Recovery Resources > RAID10 vs. RAID5

RAID10 vs. RAID5

Raid 10 and Raid 5 are popular types of data storage systems. RAID is an acronym for Redundant Array of Independent Disks. It is a technique of storing data more efficiently and effectively. RAID 10, RAID 5 these are storage schemes. Array means a group of homogeneous objects. In RAID we use this logic and we call it as RAID array. Now we will focus more on these popular data recovery techniques which made the RAID system so popular and effective. We would also focus on understanding the difference between RAID 5 and RAID 10 and the processes involving RAID recovery for them.

Performance:

Jobs with repetitive reading operations can be well managed by RAID 5 as read operation is done quite efficiently in comparison to write operations. The only point to note is write operation in RAID 5 is slower than RAID 10. So, tasks which deal with heavy databases RAID 5 will be appreciated in comparison to RAID 10.

Data Loss & Data recovery:

Both schemes are meant to prevent loss of valuable data in a computing system. The strategy through which the data gets recovered under RAID system is popularly known as RAID data recovery. In RAID 5 the data backup is normally taken on one disk. If in some RAID storage systems 5 disks are used, 1 will keep the backup where the rest 4 will be used for storage purpose. If one disk in the array fails the data can be recovered easily. But if two fails build, the RAID 5 recovery will not be effective.

RAID 10 is a combination of RAID 0 and RAID 1. In this scheme we require even number of disks. Each disk will be having a disk array which will be mirrored set of the former. In RAID 10 all the remaining disks is possible without any impact on the total storage system.

Redundancy:

RAID 10 is superior in providing architectural flexibility as compared to RAID 5. Utilization of free space can be easily done in this type of recovery system.

Controller Requirement:

In order to run a RAID 5 system one may require high-end card to achieve better storage performance. If the purpose of using this system is fulfilled this will result in slower computer performance. On the other hand in RAID 10 any hardware controller can be used.

RAID 5 generally comes with redundant fault tolerance as in RAID 1 along with parity bit distribution among the different drives. Thus RAID5 rebuild is highly significant. This RAID is implemented by combining both striping and setting up of a dedicated parity block for each drive. They do this by storing data across all hard drives equally.

The above article clearly indicates the distinction between these 2 systems. As a concluding note RAID 0, RAID 1 or RAID 5 schemes are often replaced by RAID 10.But we need to use the proper system keeping the feasibility in our mind.

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