{"id":3863,"date":"2020-10-04T13:54:16","date_gmt":"2020-10-04T13:54:16","guid":{"rendered":"https:\/\/www.webtechmantra.com\/?p=3863"},"modified":"2022-02-25T11:30:11","modified_gmt":"2022-02-25T11:30:11","slug":"fix-raid-system-failures","status":"publish","type":"post","link":"https:\/\/www.webtechmantra.com\/fix-raid-system-failures\/","title":{"rendered":"What Causes RAID System Failures and How Can You Fix Them?"},"content":{"rendered":"<p>RAID stands for <em>Redundant Array of Inexpensive (or Independent) Disks<\/em><em>, <\/em><em>which essentially combines two or more hard drives to form one storage device with a much larger capacity. RAID comes in different RAID levels, tailored to suit different needs and they combine different techniques such as mirroring, striping and parity storage to create larger data storage. <\/em><\/p>\n<p>While RAID provides many advantages, just like any other hardware, they can break down from time to time and lead to a number of problems- since the amount of data stored in RAID is very extensive and vital for the user. RAID configurations are usually considered safer than other storage devices but even they can break down. RAID data recovery is possible, but first, it is important to know what causes RAID system failures, to find the easiest method to recover your data.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.webtechmantra.com\/fix-raid-system-failures\/#How_Can_You_Fix_RAID_System_Failures\" title=\"How Can You Fix RAID System Failures\">How Can You Fix RAID System Failures<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.webtechmantra.com\/fix-raid-system-failures\/#Result_in_RAID_System_Failure\" title=\"Result in RAID System Failure\">Result in RAID System Failure<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"How_Can_You_Fix_RAID_System_Failures\"><\/span>How Can You Fix RAID System Failures<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><em>Server problems<\/em>: if the connected server crashes due to any reason, then the array will not be accessible. This is one of the most common causes of RAID failure.<\/li>\n<li><em>RAID controller failure<\/em>: almost every RAID server uses a single controller to direct the array. The controller may stop functioning properly due to a host of reasons such as power failure or technical issues. In this case, the RAID system will not work.<\/li>\n<li><em>Missing Partitions<\/em>: partitioning is a technique used to ensure that a RAID system works more efficiently by minimising speed loss and increasing functionality. However, it is possible for the partition disks to become corrupted, which can make the system not recognize them any longer. This can also lead to RAID failure.<\/li>\n<li><em>Multiple Disk failure<\/em>: the whole point of a RAID system is to ensure that the whole set-up does not crash if only one disk stops working. However, in this event, the other disks are left more vulnerable to failures which can completely undermine the system. If one disk fails, then you should immediately fix it first without relying on the others in the network, since all your data will be lost in case there is a system breakdown caused by multiple disk failure.<\/li>\n<li><em>Problems in rebuilding RAID volume<\/em>: in case your system has encountered an error and you are trying to fix it, but the RAID volume is not rebuilt correctly, there may be problems with accessing your data and the system might break down once more.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Result_in_RAID_System_Failure\"><\/span>Result in RAID System Failure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>All these may result in RAID system failure and you can perform RAID data recovery to ensure that your files are safe. To be honest, there is not much you can physically do if the RAID system has broken down completely anyway, but there are certain steps you can follow to minimise the damage and try to recover your files as soon as you can. As such, a RAID failure requires expert troubleshooting assistance, sine it is a complicated network of many storage devices. You cannot fix it all by yourself unless you are a professional, but there are several steps you can follow to ensure that you do not end up doing more damage.<\/p>\n<ul>\n<li>The first thing that you should consider should be protecting your remaining data and recovering the files that have been lost. Instead of trying to fix the RAID system first, if you focus on this, your job will become infinitely easier.<\/li>\n<li>Turn off the array with immediate effect. If you keep running a degraded array, you will only do further damage and lose more files.<\/li>\n<li>It is not advised to try and repair the disk physically on your own. A RAID system needs to be cleaned and repaired in a very clean and dust-free environment as even minute dust particles can destroy the disks beyond repair, and you will not be able to perform <a href=\"https:\/\/platinumdatarecovery.com\/raid-data-recovery\" target=\"_blank\" rel=\"noopener noreferrer\">RAID data recovery<\/a>.<\/li>\n<li>Go through the events that took place right before the system crashed. If you heard any weird noises or saw strange commands, changes in speed or any surges in power, this information may help to diagnose the real problem behind the failure.<\/li>\n<li>It is imperative to contact a data recovery specialist as soon as this happens, since delays may result in irreparable data loss. While it is almost always possible to perform RAID data recovery, the exact percentage of data recovery can only be determined after understanding the extent of damage.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>RAID stands for Redundant Array of Inexpensive (or Independent) Disks, which essentially combines two or<\/p>\n","protected":false},"author":1,"featured_media":3864,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[612],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Causes RAID System Failures and How Can You Fix Them?<\/title>\n<meta name=\"description\" content=\"RAID stands for Redundant Array of Inexpensive (or Independent) Disks, which essentially combines two or more hard drives to form one storage device with a much larger capacity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.webtechmantra.com\/fix-raid-system-failures\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Causes RAID System Failures and How Can You Fix Them?\" \/>\n<meta property=\"og:description\" content=\"RAID stands for Redundant Array of Inexpensive (or Independent) Disks, which essentially combines two or more hard drives to form one storage device with a much larger capacity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.webtechmantra.com\/fix-raid-system-failures\/\" \/>\n<meta property=\"og:site_name\" content=\"WTM - 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