{"id":2879,"date":"2015-08-28T07:33:28","date_gmt":"2015-08-28T07:33:28","guid":{"rendered":"https:\/\/cpanelplesk.com\/wp62\/?p=2879"},"modified":"2021-02-08T08:15:59","modified_gmt":"2021-02-08T08:15:59","slug":"check-hard-drive-for-bad-sectors-or-bad-blocks-in-linux","status":"publish","type":"post","link":"https:\/\/cpanelplesk.com\/wp62\/check-hard-drive-for-bad-sectors-or-bad-blocks-in-linux\/","title":{"rendered":"Check Hard drive for bad sectors or bad  blocks in Linux"},"content":{"rendered":"<p style=\"text-align: left;\"><span style=\"color: #000000;\">Bad blocks is the utility in Linux framework which can scan or test our hard disk and external drives for\u00a0awful sectors. Bad segments or bad blocks is the space of the disk which can&#8217;t be utilized because of the\u00a0lasting harm or OS is not able to get to it.<!--more--><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\">Badblocks command will distinguish all terrible blocks(bad areas) on our hard disk and spare them in a\u00a0text file so we can utilize it with <strong>e2fsck<\/strong> to configure Operating System to not store our information on\u00a0these harmed sectors.<\/span><\/p>\n<h3 style=\"text-align: left;\"><span style=\"color: #000000;\">First use <strong>fdisk<\/strong> command to identify your hard drive info:<\/span><\/h3>\n<div class=\"command-sh\">\n<pre class=\"lang:default decode:true \">sudo fdisk -l<\/pre>\n<\/div>\n<p style=\"text-align: left;\">\n<p>Scan your hard drive for Bad Sectors or Bad Blocks:<\/p>\n<div class=\"command-sh\">\n<pre class=\"lang:default decode:true\">sudo badblocks -v \/dev\/sdb &gt; \/tmp\/bad-blocks.txt<\/pre>\n<\/div>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\">Don&#8217;t forget to replace <strong>\u201c\/dev\/sdb\u201d<\/strong> with your own hard disk \/ partition. When you execute above\u00a0command \u00a0a text file <strong>\u201cbad-blocks\u201d<\/strong> will be created under <strong>\/tmp<\/strong> , which will contains all bad blocks.<\/span><\/p>\n<h3 style=\"text-align: left;\"><span style=\"color: #000000;\">Inform OS not to use bad blocks \u00a0for storing data:<\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\">When the scanning is finished , if the bad sectors are reported , then utilize <strong>\u201cbad-blocks.txt\u201d<\/strong> with\u00a0e2fsck command \u00a0and force OS not to use these bad sectors for storing data.<\/span><\/p>\n<div class=\"command-sh\">\n<pre class=\"lang:default decode:true \">sudo e2fsck -l \/tmp\/bad-blocks.txt \u00a0\/dev\/sdb<\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Bad blocks is the utility in Linux framework which can scan or test our hard disk and external drives for\u00a0awful sectors. Bad segments or bad blocks is the space of the disk which can&#8217;t be utilized because of the\u00a0lasting harm or OS is not able to get to it. [&#8230;]<\/p>\n<p><a class=\"understrap-read-more-link\" href=\"https:\/\/cpanelplesk.com\/wp62\/check-hard-drive-for-bad-sectors-or-bad-blocks-in-linux\/\">Continue Reading&#8230;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,14],"tags":[],"class_list":["post-2879","post","type-post","status-publish","format-standard","hentry","category-cpanel","category-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Check Hard drive for bad sectors or bad blocks in Linux - cPanel Plesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cpanelplesk.com\/wp62\/check-hard-drive-for-bad-sectors-or-bad-blocks-in-linux\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Check Hard drive for bad sectors or bad blocks in Linux - cPanel Plesk\" \/>\n<meta name=\"twitter:description\" content=\"Bad blocks is the utility in Linux framework which can scan or test our hard disk and external drives for\u00a0awful sectors. 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I'm dealing with Linux servers since 2014. I started this blog to share the work i love with the world . let me know if you need any assistance. Thanks!!\",\"sameAs\":[\"https:\/\/cpanelplesk.com\/wp62\"],\"url\":\"https:\/\/cpanelplesk.com\/wp62\/author\/cmb\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Check Hard drive for bad sectors or bad blocks in Linux - cPanel Plesk","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cpanelplesk.com\/wp62\/check-hard-drive-for-bad-sectors-or-bad-blocks-in-linux\/","twitter_card":"summary_large_image","twitter_title":"Check Hard drive for bad sectors or bad blocks in Linux - cPanel Plesk","twitter_description":"Bad blocks is the utility in Linux framework which can scan or test our hard disk and external drives for\u00a0awful sectors. Bad segments or bad blocks is the space of the disk which can&#8217;t be utilized because of the\u00a0lasting harm or OS is not able to get to it. 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