{"id":476,"date":"2012-06-04T21:07:24","date_gmt":"2012-06-04T21:07:24","guid":{"rendered":"http:\/\/www.omniweb.com\/wordpress\/?p=476"},"modified":"2012-06-04T21:23:09","modified_gmt":"2012-06-04T21:23:09","slug":"solved-unmount-when-device-is-busy","status":"publish","type":"post","link":"https:\/\/www.omniweb.com\/wordpress\/?p=476","title":{"rendered":"Solved Unmount when device is busy"},"content":{"rendered":"<p>On ubuntu servers trying to unmount a frozen nfs mount, I see &#8220;device is busy&#8221;.<\/p>\n<p>When I try &#8216;df&#8217; I see an Input \/ Output error for this partition. \u00a0When I try &#8216;ls -la&#8217; I see question marks ? where information should be.<\/p>\n<p>To get it unmounted I used the <a href=\"http:\/\/ocaoimh.ie\/2008\/02\/13\/how-to-umount-when-the-device-is-busy\/\">first comment on this page<\/a>;<\/p>\n<p><code>umount -l \/dev\/sdwhatever<\/code><br \/>\numount -l worked like a charm. \u00a0Note that the original post with fuser cmd didn&#8217;t work for me.<\/p>\n<p>After unmounting, I was able to remount it right away without any error.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On ubuntu servers trying to unmount a frozen nfs mount, I see &#8220;device is busy&#8221;. When I try &#8216;df&#8217; I see an Input \/ Output error for this partition. \u00a0When I try &#8216;ls -la&#8217; I see question marks ? where &hellip; <a href=\"https:\/\/www.omniweb.com\/wordpress\/?p=476\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/476"}],"collection":[{"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=476"}],"version-history":[{"count":8,"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/476\/revisions"}],"predecessor-version":[{"id":489,"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/476\/revisions\/489"}],"wp:attachment":[{"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omniweb.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}