{"id":19363,"date":"2013-07-17T08:15:44","date_gmt":"2013-07-17T13:15:44","guid":{"rendered":"https:\/\/eshop.macsales.com\/blog\/?p=19363"},"modified":"2016-02-09T14:03:23","modified_gmt":"2016-02-09T20:03:23","slug":"lets-talk-about-raid","status":"publish","type":"post","link":"https:\/\/eshop.macsales.com\/blog\/19363-lets-talk-about-raid\/","title":{"rendered":"Let’s Talk About RAID"},"content":{"rendered":"

\"\"<\/a>No, not the bug spray. The RAID I\u2019m talking about is a hard drive RAID or a R<\/b>edundant A<\/b>rray of I<\/b>ndependent D<\/b>isks<\/a>. As crazy as the name sounds, this is essentially a type of storage solution that combines multiple hard drives into a cohesive system that appears to the computer as a single hard drive. Depending on the setup, this can afford increased speed, storage capacity, backup solutions, or a combination of each of these.<\/p>\n

There are four RAID configurations seen most often in the wild:<\/p>\n

    \n
  1. RAID 0<\/strong><\/li>\n
  2. RAID 1<\/strong><\/li>\n
  3. RAID 0+1 or 10<\/strong><\/li>\n
  4. RAID 5<\/strong><\/li>\n<\/ol>\n

    Each of these are similar in that they work across multiple drives, but each have their own merits that benefit specific applications in the real world.<\/p>\n

    RAID 0<\/b>
    \nRAID 0 is referred to as striping and is a setup in which     data is written across two hard drives<\/a>. Let\u2019s take a 500 MB video file. The computer takes the file and splits it in half, 250 MB is written on drive 1 and 250 MB is written on drive 2. When you try to access the file, the computer requests the file from each drive and uses it as if it were on a single drive. Since there is two drives involved in this process there is an increase in read and write speeds because each drive is independently reading and writing the files for the OS.<\/p>\n

    With a single drive you are limited to the speed that specific drive can read and write, with two you are limited to the combined speed the two of them can reach independently. The only downside with this setup is that if one drive fails the files are rendered useless because each drive holds half of the data. In short terms, \u201cALWAYS HAVE A BACKUP!\u201d.<\/p>\n

    RAID 1<\/b>
    \nNow RAID 1 is the opposite, and is referred to as mirroring, and as the name implies,     data is wholly written on each drive, creating a mirrored copy of everything<\/a>. The same 500 MB file is fully written on drive 1 and drive 2. \u00a0Very much like a separate backup, if one drive fails there is an exact copy that can be used immediately.<\/p>\n

    RAID 0+1 or RAID 10<\/b>
    \n    RAID 0+1 or RAID 10<\/a> is a combination of these first two; both\u00a0require a minimum of four drives. In RAID 0+1 there are two RAID 0s that mirror each other while RAID 10 is two striped RAID 1s. Essentially, the same 500 MB file is fully written twice, each time across two drives. The first 250MB on drives 1 and 3 and the second 250MB on drives 2 and 4.\u00a0 This gives the user the same speed increase as RAID 0 with the added benefit of having a mirror or backup of the same data. Just like RAID 1, any drive can fail and there is another copy waiting to be used immediately.<\/p>\n

    RAID 5<\/b>
    \nRAID 5 is the most complex of these setups in how it works, but many people see it as being the best of all the worlds. It provides speed, data security, and a failsafe in case a drive fails. Requiring only three drives, this setup is slightly more cost effective than RAID 10, while still providing the backup element in case of a drive failure.<\/p>\n

    The simplest way to explain its operation is to imagine that the same 500MB file is split in half and written across drives 1 and 2. The parts are then calculated into a formula, which is stored on drive 3, so that if drive 1 or 2 fails the information can be used to recreate the missing part of the data. The next file then is written across drives 2 and 3 with the formula stored on drive 1, and so forth. This RAID setup acts like a RAID 0 in that files are spread across drives, but gives the security of a RAID 1 and provides a fault-tolerance for drive failure.<\/p>\n

    Do you need RAID?<\/b>
    \nWhether or not you need a RAID setup is based in your workflow. If you work with large files such as raw photos, video editing or music production, or simply if most of your files are stored on an external hard drive, you can most likely benefit from the speed and security RAID offers. Often a speed boost is exactly what you need to get your work done more efficiently and the seamless integration of a RAID solution is a perfect addition to any current setup.<\/p>\n

    While you can go about setting up a RAID system on your own, OWC has a number of preconfigured solutions from the Elite Pro Dual<\/a> systems and the Qx2<\/a> to the Guardian Maximus<\/a> and Maximus mini<\/a>. There is any size and any speed available for any application.<\/p>\n

    RAID Hard Drives versus going SSD<\/b>
    \nOf course if you’re RAIDing hard drives together for speed you do have another option with SSDs. A single     6G OWC SSD<\/a> can go as fast as 4 hard drives RAIDed together. \u00a0So before you plunk that hard earned cash down a hard drive based performance RAID 0 array, you might want to check out some SSD options as well. Heck, 2 OWC SSDs RAIDed together can go as fast as 8 hard drives in a RAID 0. Now that’s fast!<\/p>\n

    Check them out to see what fits and happy RAIDing!<\/p>\n

    Editor’s Note:<\/strong> Just like your favorite breakfast cereal, RAID solutions are part of a complete backup plan – not the entire solution. For complete details see:<\/em>\u00a0Take it from a Tech: RAID \u2260 Proper Backup<\/a> & Back Up Your Data & Save A Squirrel<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    No, not the bug spray. The RAID I\u2019m talking about is a hard drive RAID or a Redundant Array of Independent Disks. As crazy as the name sounds, this is essentially a type of storage solution that combines multiple hard drives into a cohesive system that appears to the computer as a single hard drive. […]<\/p>\n","protected":false},"author":46,"featured_media":19367,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":"","footnotes":""},"categories":[4],"class_list":["post-19363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-tips"],"yoast_head":"\nLet's Talk About RAID<\/title>\n<meta name=\"description\" content=\"Depending on the setup, RAID can afford increased speed, storage capacity, backup solutions, or a combination of each of these.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eshop.macsales.com\/blog\/19363-lets-talk-about-raid\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" 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