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Understanding RAID configurations
Learn about different RAID configurations and how to determine which RAID level or RAID alternative is right for your environment in this free guide. Essential Guide
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RAID storage systems update
Read our top content on RAID storage systems, advances in RAID technology, the value of erasure codes in RAID 6, and how to manage RAID data storage capacity. Special Report
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RAID rebuild pain points and the alternatives
RAID rebuilds can be a particularly time-consuming and risky part of managing a storage array, but new methods such as wide parity and erasure codes promise relief. FAQ
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RAID tutorial: What's on the horizon for RAID?
Use this RAID tutorial to find out about shortcomings of RAID, as well as the alternatives to RAID that are starting to come to market, such as triple mirroring, distributed block mirroring, networked RAID, self-healing drives and erasure codes. Learning Guide
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Post-RAID alternatives address RAID's shortcomings
Post-RAID alternatives have entered the market while RAID's shortcomings begin to be recognised as disk capacities grow, despite decades of protecting data and boosting performance. Feature
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RAID data storage for beginners: A RAID quiz
Think you know everything about RAID data storage? Take our quiz and find out. Quiz
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RAID level comparison chart: A free download
Download our free RAID level comparison chart, where the most important RAID levels are defined, along with information about the pros and cons of each RAID level. Download
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RAID rebuilds: How do RAID rebuilds work and which is fastest?
RAID rebuilds: How do RAID rebuilds work, how can RAID rebuilds be made quicker and what is the fastest RAID-level rebuild time? FAQ
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Using a storage partition in your data storage infrastructure
Learn about the common use cases for a storage partition in a data storage infrastructure, as well as the differences between a storage partition and a LUN. FAQ
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Find the right RAID level for your data storage systems
Learn which RAID level fits your storage infrastructure's needs, which level increases performance and protection, which configuration is best suited for a SAN and more. Special Report
- See more Essential Knowledge on RAID
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Nevex adds flash caching software, Overland revamps RAID for SnapServer
SNW Fall 2011 opens with startup Nevex adding flash caching software to eliminate I/O bottlenecks, and Overland Storage introducing SnapDragon with DynamicRAID. News | 11 Oct 2011
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Drobo, MicroNet add beefier SMB storage systems
Drobo gets into SMB NAS with DroboPro FS and Drobo Sync for off-site backup, and MicroNet expands its digital media platform with RAIDBank5 with support for USB 3.0 and hardware-based data encryption. Article | 05 Oct 2010
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RAID disk arrays in small business data storage environments
RAID disk arrays are still popular in enterprise data storage shops, even 20 years after they were first invented. Learn about what's new in RAID for your SMB. Article | 13 Jan 2010
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Software RAID vs hardware RAID: Pros and cons
Choosing between software RAID and hardware RAID depends on what you need to do and cost. Hardware RAID costs more, but will be free of software RAID's performance limitations. Article | 14 Sep 2009
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Which RAID level has the best price-to-performance comparison?
Configuring disk in RAID arrays brings a variety of benefits, most notably data protection and I/O performance. But which RAID level wins in terms of price vs. performance? Article | 13 Jul 2009
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Pivot3 and Seanodes increase performance, scalability of iSCSI storage products
Pivot3 Serverless Computing iSCSI systems get RAID 6e protection and scalability, while Seanodes adds solid-state drive (SSD) support to its Exanodes iSCSI software. Article | 22 Jun 2009
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Fujitsu adds DX60 and DX80 midrange disk arrays to Eternus line
Fujitsu's DX60 and DX80 replace the Eternus 2000 series with a new single-controller entry model starting at under $6,000, and a new approach to battery-backed cache. Article | 08 Jun 2009
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RAID 6 vs RAID 10: Choosing the best RAID level for your organisation
Compare RAID 6 vs RAID 10. What is the best RAID level for your organisation: RAID 6's capacity utilisation and protection against two disk failures or RAID 10's faster rebuild times? Article | 01 Jun 2009
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MAID product roundup
MAID and spin-down storage systems play into recent green IT and consolidation trends, and analysts predict most storage systems will one day offer the power-saving features. Article | 29 Apr 2009
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MAID technology remains underutilized
Analysts say MAID is still not fully employed in data centers. But regulations mandating more power savings will help drive the technology, as will the rise of persistent data. Article | 29 Apr 2009
- See more News on RAID
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RAID technology advances with wide striping and erasure coding
Discover why technology like wide striping, storage virtualization and erasure coding is changing our assumptions about RAID technology and data protection. Tip
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Erasure codes: The foundation of RAID 6 arrays
RAID 6 arrays offer users better data protection because they utilize erasure codes that make them more reliable than current conventional parity solutions. Tip
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Self-healing systems and RAID technology
Find out how Atrato, DataDirect Networks, Panasas and Xiotech use RAID technology in self-healing systems and also deal with hard disk drive (HDD) failures. Tip
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Managing data storage capacity on RAID
With data growth increasing every day, the challenge of managing data storage capacity on RAID is also increasing. This is raising some questions about the integrity of RAID, so new technologies are emerging with higher capacities and more capable dr... Tip
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RAID 6 vs. RAID 10
Rick Cook outlines the most efficient uses of RAID 6 and RAID 10. Tip
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Top 5 SAN tips of 2007
Here are the top 5 SAN tips of 2007, based on our readers' interest. This list covers topics such as RAID, SAN performance and SAN management. Tip
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Using global spare drives to increase SAN reliability
Here's a checklist for storage administrators using global spare drives to create a more reliable SAN. Tip
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How to choose the right RAID level
This tip offers nine things to consider when deciding which RAID level is right for your organization's needs. Tip
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RAID levels defined
This tip offers a listing of the RAID levels in use today and details the characteristics and applications of each. Tip
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RAID: It's alive
RAID is still relevant today, possibly even more than in the past. However, it has become a transparant, standard feature that isn't often discussed. This tip outlines the state of RAID today. Tip
- See more Tips on RAID
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Adding an old hard drive to RAID sets on servers
When adding an old hard drive to RAID sets on servers, it’s important to account for factors such as the number of drive bays in the host. See how to configure the drives to the appropriate RAID format for the workload. Answer
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Choosing a RAID level depends on capacity needs and data criticality
In this Ask the Expert, Steve Pinder talks about which RAID level to choose, depending on the criticality of your data or the capacity required. Answer
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RAID 5 explained: Sharing a 10 MB file among 5 drives
Find out how RAID 5 handles sharing data shares data in a 10 MB file among five drives, including how striping and parity data figure into the equation. Answer
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How does the RAID 5 calculation work?
Learn how to determine how much capacity you'll have in a RAID 5 drive configuration. Ask the Expert
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What does the parity bit do in RAID?
Find out how the use of a parity bit protects RAID groups and how it's used as a method for error detection. Ask the Expert
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RAID 10 vs RAID 50: What is the best way to configure a storage array with 16 1 TB drives?
Learn the characteristics of RAID 10 and RAID 50, as well as which RAID level is appropriate for your applications. I/O and protection needs contribute to your RAID choice. Ask the Expert
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iSCSI storage: How to leverage RAID and ensure server uptime
Learn how RAID can be used with iSCSI storage, as well as how iSCSI storage systems can be configured for high availability to eliminate single points of failure. Ask the Expert
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Using RAID 1 and RAID 5 in a virtual server environment
We tell you the pros and cons of using RAID 1 and RAID 5 for your OS and applications in a virtual server environment. Data protection and recovery are factors to consider. Ask the Expert
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Recovering from a two-drive failure in a RAID 10 configuration
In a RAID 10 configuration with four drives, data can be recovered if two of the drives fail. But recovering the data depends on which drives in the RAID configuration fail. Ask the Expert
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How to choose the right RAID configuration for a new storage-area network (SAN)
Before choosing a RAID configuration for a new storage-area network (SAN), you need to consider the performance requirements of your data and the number of disks needed for an effective implementation. Ask the Expert
- See more Expert Advice on RAID
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SSD RAID array: What it is and how to use it
An SSD RAID array offers the performance and data protection advantages RAID does with spinning disk, but what levels should you use and can you mix flash and HDDs in the same RAID group? Podcast
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Free online RAID calculator can help with project costings
A free online RAID calculator can work out numbers of disks, total array capacity and disk overheads, but what are their limitations and can you do the sums another way? FAQ
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The pros and cons of RAID disk arrays in small business data storage environments
RAID is commonly used in many data storage environments for added data protection, however there are several drawbacks when using RAID. Podcast
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Examining RAID levels: RAID 0 through RAID 6
In this podcast, Arun Taneja examines the various RAID levels and their impact on enterprise data storage. Learn the differences and similarities between RAID 0 through RAID 6. Podcast
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SSD RAID array: What it is and how to use it
An SSD RAID array offers the performance and data protection advantages RAID does with spinning disk, but what levels should you use and can you mix flash and HDDs in the same RAID group? Podcast
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Adding an old hard drive to RAID sets on servers
When adding an old hard drive to RAID sets on servers, it’s important to account for factors such as the number of drive bays in the host. See how to configure the drives to the appropriate RAID format for the workload. Answer
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Nevex adds flash caching software, Overland revamps RAID for SnapServer
SNW Fall 2011 opens with startup Nevex adding flash caching software to eliminate I/O bottlenecks, and Overland Storage introducing SnapDragon with DynamicRAID. News
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Choosing a RAID level depends on capacity needs and data criticality
In this Ask the Expert, Steve Pinder talks about which RAID level to choose, depending on the criticality of your data or the capacity required. Answer
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RAID 5 explained: Sharing a 10 MB file among 5 drives
Find out how RAID 5 handles sharing data shares data in a 10 MB file among five drives, including how striping and parity data figure into the equation. Answer
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Understanding RAID configurations
Learn about different RAID configurations and how to determine which RAID level or RAID alternative is right for your environment in this free guide. Essential Guide
-
Free online RAID calculator can help with project costings
A free online RAID calculator can work out numbers of disks, total array capacity and disk overheads, but what are their limitations and can you do the sums another way? FAQ
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RAID storage systems update
Read our top content on RAID storage systems, advances in RAID technology, the value of erasure codes in RAID 6, and how to manage RAID data storage capacity. Special Report
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How does the RAID 5 calculation work?
Learn how to determine how much capacity you'll have in a RAID 5 drive configuration. Ask the Expert
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RAID technology advances with wide striping and erasure coding
Discover why technology like wide striping, storage virtualization and erasure coding is changing our assumptions about RAID technology and data protection. Tip
- See more All on RAID
About RAID
RAID data storage technology divides and replicates data among two or more hard disk drives to achieve greater levels of I/O performance, data reliability and larger data volume sizes. Find news and resources pertaining to the different RAID levels on this topic page.