{"id":230,"date":"2013-02-17T19:34:13","date_gmt":"2013-02-17T23:04:13","guid":{"rendered":"http:\/\/blog.pelleys.com\/?p=230"},"modified":"2013-02-17T19:34:13","modified_gmt":"2013-02-17T23:04:13","slug":"didnt-know-that-i-had-zettabytes","status":"publish","type":"post","link":"https:\/\/blog.pelleys.com\/?p=230","title":{"rendered":"Didn&#039;t know that I had Zettabytes!"},"content":{"rendered":"<p>I was in the process of securely wiping some disks on a Linux box when I did a df and got the following output:<\/p>\n<pre><tt>demo@x225:~$ df -h\nFilesystem Size Used Avail Use% Mounted on\n\/dev\/sda1 130G 2.7G 120G 3% \/\nnone 1003M 372K 1003M 1% \/dev\nnone 1007M 248K 1007M 1% \/dev\/shm\nnone 1007M 96K 1007M 1% \/var\/run\nnone 1007M 0 1007M 0% \/var\/lock\nnone 1007M 0 1007M 0% \/lib\/init\/rw\nnone 130G 2.7G 120G 3% \/var\/lib\/ureadahead\/debugfs\n\/dev\/sdb1 43Z 43Z 0 100% \/u1\n\/dev\/sdc1 4.0Z 4.0Z 0 100% \/u2<\/tt><\/pre>\n<p>The last two disks, sdb1 and sdc1 are being securely erased and they are reporting 43ZB and 4ZB respectively &#8211; yes, ZETTABYES. I really wish it was true!<\/p>\n<p>According to Wikipedia, a <a href=\"http:\/\/en.wikipedia.org\/wiki\/Zettabyte\">zettabyte<\/a>\u00a0is &#8220;&#8230; is equal to 1,073,741,824 (~ 1 billion) terabytes&#8221; and &#8220;As of April 2012, no storage system has achieved one zettabyte of information. The combined space of all computer\u00a0hard drives\u00a0in the\u00a0world\u00a0was estimated at approximately 160\u00a0exabytes\u00a0in 2006.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was in the process of securely wiping some disks on a Linux box when I did a df and got the following output: demo@x225:~$ df -h Filesystem Size Used Avail Use% Mounted on \/dev\/sda1 130G 2.7G 120G 3% \/ &hellip; <a href=\"https:\/\/blog.pelleys.com\/?p=230\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-230","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=\/wp\/v2\/posts\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=230"}],"version-history":[{"count":0,"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=\/wp\/v2\/posts\/230\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pelleys.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}