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RAID, or Redundant Array of Independent Disks, integrates multiple disks into a single array to achieve faster performance goals like better hardware failover and improved disk Input/Output performance.

RAID options are available with the purchase of any HostDime dedicated server. Servers are fully customizable during the order process to add a variety of RAID options or SSD drives to increase performance or an endless amount of RAM.

Luckily, talented HostDime techs have created a RAID calculator that compares and configures RAID options and drive sizes to expand on your server’s performance and reliability.

Drag and drop the drives into the slots to see each RAID’s description, disk capacity, disk input/output performance, minimum number of disks, fault tolerance, and more. Below, you will find the difference between the four RAID options to choose from.

RAID Types



RAID 0 - RAID 0 uses striping to spread your data blocks across the drives in the RAID array. Striping combines several disk drives into a single volume. This greatly increases Input/Output performance.

RAID 1 - RAID 1 uses mirroring to equally store your data on two or more drives. RAID 1 does not offer any increase in Input/Output performance, but it does offer protection against hardware/drive failure because the array can lose a drive and still remain online.

RAID 5 - RAID 5 offers fault tolerance with parity. Parity information that allows for a rebuilding of data if a drive failure occurs. Blocks of data are stored across all drives in the array so the system can support up to 1 drive failure and operate normally, similar to RAID1. The difference between RAID 1 and RAID 5 is that RAID 5 offers an improvement in Input/Output performance over a single drive or a RAID 1 array.

RAID 10 - RAID 10 combines the great I/O benefits of a RAID 0 with the hardware failure protections of RAID 1. RAID 10 is a RAID 1 provides much better Input/Output performance than you would with any other array above.

Even with these RAID options, any server is vulnerable to data loss in the case of drive failure. Therefore a backup drive or remote storage account are highly recommended with any RAID set-up.

If you have any questions, don't hesitate to contact our support team, available around-the-clock.

This article was written by Jared Smith.
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