RAID Calculator

Redundant Array of Independent Disks Calculator

RAID 0 diagram
RAID 1 diagram
RAID 5 diagram
RAID 6 diagram
RAID 10 diagram
RAID 50 diagram
RAID 60 diagram

Select Your Raid Configuration

RAID 60 diagram Selected RAID RAID 60 diagram Available RAID options RAID 60 diagram Unavailable RAID options
Recomendation Arrow SmallRepresents Aspen Systems Recommended RAID.

Recomendation Arrow

Preference on RAID:

RAID Volume RAID Capacity RAID Redundancy RAID Redundancy RAID Hot Spare Hot Spare Space(not used till drive failure)

1.862TB / 0.000TB / 1.862TB

(RAID / Hot Spare / Total Capacity)

RAID 0 (STRIPE):

RAID 0 splits data across drives on write and read, resulting in higher data throughput. The performance of this configuration is extremely high, but a loss of any drive in the array will result in data loss across the whole array of disks. This level is commonly referred to as striping.

STATS:

Minimum number of drives required: 2

Performance: Very High

Redundancy: None

Efficiency: High

ADVANTAGES:

  • High performance on write and read
  • Easy to implement
  • Highly efficient (no parity overhead)

DISADVANTAGES:

  • No redundancy
  • Limited use cases due to no redundancy of data

RAID 1 (MIRROR):

RAID 1 writes all data across the drives bringing about 100% redundancy of your stored data. This is commonly referred to as mirroring data as both discs have an exact copy of the information on them. Though this allows for full redundancy this solution is lower performing comparatively to RAID 0 and also doesn’t scale well as the more disks you add to the array you only are able to have to total storage space of one disk. This configuration is only recommended if you are using 2 disks in your array.

STATS:

Minimum number of drives required: 2

Performance: Average

Redundancy: High

Efficiency: Low

ADVANTAGES:

  • Fault tolerant
  • Easy to recover data in case of drive failure
  • Easy to implement

DISADVANTAGES:

  • Highly inefficient (100% parity overhead)
  • Not scalable

RAID 5 (DRIVES WITH PARITY):

RAID 5 stripes data on a block level across drives and utilizes a parity bit on each level to obtain redundancy in data. You need at least 3 drives for a RAID 5 storage system. With this setup up you gain speed benefits over RAID 1 but overall speed is less than RAID 0. This type of RAID is fault tolerant on losing up to 1 drive, if 2 drives are lost you will lose data across the storage array.

STATS:

Minimum number of drives required: 3

Performance: Average

Redundancy: High

Efficiency: High

ADVANTAGES:

  • Fault tolerant
  • High efficiency

DISADVANTAGES:

  • Disk failure has a medium impact on throughput
  • Complex controller design

RAID 6 (DRIVES WITH DOUBLE PARITY):

RAID 6 is striped at the block level just like RAID 5 but it allows for double parity for redundancy within your storage. This will lead to lower write times (read remains the same), but allows for drive failure in two disks as opposed to 1 drive before data is lost.

STATS:

Minimum number of drives required: 4

Performance: Average

Redundancy: High

Efficiency: High

ADVANTAGES:

  • Increased redundancy
  • High efficiency
  • Great option in multi-user environments

DISADVANTAGES:

  • Write penalty over RAID 5
  • More expensive than RAID 5
  • Disk failure has a medium impact on throughput
  • Complex controller design

RAID 10 (MIRROR + STRIPE):

RAID 10 is a striped (RAID 0) array whose segments are mirrored (RAID 1). RAID 10 is a popular configuration for environments where high performance and security are required. In terms of performance it is similar to RAID 0+1. However, it has superior fault tolerance and rebuild performance.

STATS:

Minimum number of drives required: 4

Performance: Very High

Redundancy: Very High

Efficiency: Low

ADVANTAGES:

  • Extremely high fault tolerance (under certain circumstances, RAID 10 array can sustain multiple simultaneous drive failures)
  • Very high performance
  • Faster rebuild performance than 0+1

DISADVANTAGES:

  • Very Expensive
  • High Overhead
  • Limited scalability

RAID 50 (PARITY + STRIPE):

RAID 50 combines RAID 5 parity and stripes it as in a RAID 0 configuration. Although high in cost and complexity, performance and fault tolerance are superior to RAID 5.

STATS:

Minimum number of drives required: 6

Performance: High

Redundancy: High

Efficiency: Average

ADVANTAGES:

  • Higher fault tolerance than RAID 5
  • Higher performance than RAID 5
  • Higher efficiency than RAID 5

DISADVANTAGES:

  • Expensive
  • High Overhead
  • Limited scalability

RAID 60 (DOUBLE PARITY + STRIPE)

RAID 60 combines RAID 6 double parity and stripes it as in a RAID 0 configuration. Although high in cost and complexity, performance and fault tolerance are superior to RAID 6.

STATS:

Minimum number of drives required: 8

Performance: High

Redundancy: High

Efficiency: Average

ADVANTAGES:

  • Higher fault tolerance than RAID 6
  • Higher performance than RAID 6
  • Higher efficiency than RAID 6

DISADVANTAGES:

  • Expensive
  • Complex implementation
RAID Volume RAID Capacity RAID Redundancy RAID Redundancy RAID Hot Spare Hot Spare Space(not used till drive failure)

1.862TB / 0.000TB / 1.862TB

(RAID / Hot Spare / Total Capacity)

Why You Should RAID Your Storage

Hardware or Software RAID?

Securing your data against disaster has been an obstacle to overcome since the beginning of computing. One way to protect your data from drive failure and achieve higher read and write is to RAID (Redundant Array of Independent Disks) your storage. This gives you the ability to utilize multiple drives working together to store data as opposed to using one disk at a time. While RAID can be beneficial for fault tolerance within your storage ecosystem other measures such as a remote storage back up are recommended as a storage system with RAID can only protect against a few disks failing at the same time. We at Aspen Systems know how to prevent data loss due to failure and would love to design a disaster prevention solution molded to your particular needs.

Determining which type of RAID to use in your storage environment is critical. Choosing between software and hardware RAID can have some significant benefits to your storage environment. For instance hardware RAID take the load of the decision making off of your system and handles all of the decision making on the card. This can lead to higher throughput with your data and also make for an easier RAID setup since most of the setup now is done through a user interface built into the software on the card. Software also has it’s benefits as it is a very versitile way to deal with RAID. With software RAID you have complete control on how the array behaves though due to the fact that there isn’t dedicated hardware to assist with the processing of the data it is a slower solution in contrast. We have dealt with many storage systems in our time working in HPC, our staff can help you with the design of your storage system to get you exactly what you need in it.

Discover Your Storage Solution

At Aspen Systems we believe every complex problem has a simple solution. Our expert sales engineers will create a state of the art storage system, using the latest generation of technology, and provide world-class results.

Whether you need a simple storage server or a full turn-key solution, we’re here to help.

Learn more about the advantages of working with us, and our commitment to manufacturing excellence.

Contact us by filling out the form or call us toll-free
at (800) 992-9242.