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Raid Disk Space Utilization Calculator Tool
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RAID Calculator

This tool calculates RAID specifications, helping you to choose the best array for your storage requirements.

RAID Calculator

The components of a RAID system interact in complex ways, leading to wide variance in usable space, service speed and fault tolerance from one configuration to the next. Each element of an array affects performance, and various configurations have specific benefits and drawbacks. This comprehensive tool calculates important specifications for a RAID array according to three key metrics.

Enter your RAID parameters below:
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We offer a varied set of recovery services to help you quickly recover from data loss events. Our services include:

RAID Data Recovery

RAID Data Recovery

We can safely treat all types of RAID, and by recreating your array with specialized equipment, we can recover data without access to your original hardware.

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RAID Repair

RAID Repair

Our engineers can repair damaged RAID arrays, giving you a simple, comprehensive disaster recovery plan that helps your business avoid downtime.

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SAN Data Recovery

Our specialists can effectively restore data from your storage area network (SAN), preventing significant downtime while protecting your privacy through state-of-the-art security.

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NAS Data Recovery

Secure Data Recovery Services can prevent NAS downtime, quickly returning a full, working copy of your files after any type of disaster.

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Server Data Recovery

We specialize in server recovery. Our engineers can repair your server while recovering data, minimizing downtime during a data loss disaster.

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We are one of the only companies that can treat physically damaged DLTs, LTOs and other data tapes without risking media damage.

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Encrypted Data Recovery

Encrypted files present serious challenges for data recovery engineers. We have unparalleled experience with EFS and all other encryption implementations.

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Database Data Recovery

Remote Data Recovery

We offer the world's most confidential data recovery services by using logical media handling procedures and state-of-the-art technologies.

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On-site Data Recovery

On-site Data Recovery

We offer on-site professional data recovery services. This option is reserved for the most difficult and critical delicate data loss situations.

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RAID Levels Overview

RAID systems combine multiple disks into a single unit to achieve greater performance and increased fault tolerance.

Various RAID levels balance the advantages by combining sets of operations, including:

  • Distributing Data Across Multiple Disks, or "Striping".
  • Copying Data on a Second Drive, or "Mirroring".
  • Incorporating Parity Blocks to Recover Threatened Data.
  • Coordination of Reading/Writing Tasks by Disk Array Controllers.

RAID 0 systems increase read/write speeds by using striped sets to record fragmented data across several disks simultaneously. Because RAID 0 arrays don’t include data redundancy, disk failure can still result in lost files. For greater fault tolerance, RAID 1 is the simplest option. These systems safeguard their contents with disk mirroring capabilities, creating total redundancy for effective data protection.

RAID 5 achieves fast write speeds with striped sets while protecting data by distributing parity across several drives. Of all the options, RAID 5 is the most popular for use with web servers. RAID 6 arrays are similar to RAID 5, but an extra parity block provides stability even if two drives fail.

Offering the greatest fault tolerance, RAID 10 combines the benefits of striping and mirroring to maximize performance and protection from failed components. RAID 0+1 arrays invert the RAID 10 configuration with mirrored sets of striped arrays.

To determine the performance data of a given RAID array, enter the parameters into the fields above and click "calculate".

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