MaineHost.Blog

Why Raid Drives?

Updated on May 12, 2021
Posted by Team MHS

First we’ll explain the different types of Raid Drive Series:

RAID stands for Redundant Array of Inexpensive (Independent) Disks.

Raid DrivesOn most situations you will be using one of the following four levels of RAIDs.

  • RAID 0 – 2 Plus Drives
  • RAID 1 – 2 Plus Drives
  • RAID 5 – 3 Plus Drives
  • RAID 10 (also known as RAID 1+0)  – 4 Plus Drives

Here we explains the main difference between these raid levels along with an easy to understand diagram.

In all the diagrams mentioned below:

  • A, B, C, D, E and F – represents blocks
  • p1, p2, and p3 – represents parity

RAID LEVEL 0

raid-0
Following are the key points to remember for RAID level 0.

  • Minimum 2 disks.
  • Excellent performance ( as blocks are striped ).
  • No redundancy ( no mirror, no parity ).
  • Don’t use this for any critical system.

RAID LEVEL 1

raid-1

Following are the key points to remember for RAID level 1.

  • Minimum 2 disks.
  • Good performance ( no striping. no parity ).
  • Excellent redundancy ( as blocks are mirrored ).

RAID LEVEL 5

raid-5
Following are the key points to remember for RAID level 5.

  • Minimum 3 disks.
  • Good performance ( as blocks are striped ).
  • Good redundancy ( distributed parity ).
  • Best cost effective option providing both performance and redundancy. Use this for DB that is heavily read oriented. Write operations will be slow.

 RAID LEVEL 10

raid10

Following are the key points to remember for RAID level 10.

  • Minimum 4 disks.
  • This is also called as “stripe of mirrors”
  • Excellent redundancy ( as blocks are mirrored )
  • Excellent performance ( as blocks are striped )
  • If you can afford the dollar, this is the BEST option for any mission critical applications (especially databases).
WordPress Development

Related Posts

Interpreting Social Media Statistics for Businesses

Interpreting Social Media Statistics for Businesses

Here are some Interesting Social Media Statistics for Businesses that we found at Social Media Today. These stats are compelling to business who are leveraging their social media presence to increase revenues. Facebook Social Media Statistics 77 percent of B2C...

read more
How to ADD a user to your Google Places Listing

How to ADD a user to your Google Places Listing

Owners of listings can invite additional users to own or manage a listing. Adding owners and managers lets users share management of a listing without having to share personal account information. Owners, managers, and communications managers all have different levels of access to the listing. Only an owner can add or remove users. However, a manager may remove himself […]

read more
How To Deal With BAD Reviews

How To Deal With BAD Reviews

No matter how good your company is, some people will always write something negative about your site, even if you tried your best to help them. So here at the best ways To Deal With BAD Reviews: Some customers might write negative comments about your company in their...

read more