RAID

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  • How to calculate available disk space on a RAID 5

    Storage management expert Ashley D'Costa answers a reader's question: "How do I calculate the disk space available on my RAID 5?" 

  • Understanding disk storage components

    The never-ending evolution of storage components such as disk drives, RAID technology, disk arrays and even network fabric hardware is enabling vast increases in storage capacities. This guide focuses on the latest developments in disks, RAID, arrays... 

  • Clustered NAS vendor Panasas takes new RAID approach

    Panasas has a new version of RAID that works within drives on its HPC systems. Analysts say it's an early foreshadowing of things to come as SATA drives get bigger. 

  • Use of RAID with multiple drives

    Storage expert Greg Schulz answers a reader's question: "Please give me an example of when RAID 1 with multiple drives is used." 

  • How to choose the correct RAID level

    This tip offers nine things to consider when deciding which RAID level is right for your organization's needs. 

  • RAID levels defined

    This tip offers a listing of the RAID levels in use today and details the characteristics and applications of each. 

  • RAID (redundant array of independent disks)

    RAID (redundant array of independent disks; originally redundant array of inexpensive disks) is a way of storing the same data in different places (thus, redundantly) on multiple hard disks. By placing data on multiple disks, I/O (input/output) oper... 

  • RAID 4 vs. RAID 5

    Storage management expert Ashley D'Costa discusses RAID 4 vs. RAID 5. 

  • External SATA RAID array vs. system replacement

    Storage expert Ashley D'Costa answers a reader's question about the benefits of using an external SATA RAID array over replacing his entire system. 

  • RAID: It's alive

    RAID is still relevant today, possibly even more than in the past. However, it has become a transparent, standard feature that isn't often discussed. This tip outlines the state of RAID today.