{"id":6338,"date":"2019-03-08T14:22:01","date_gmt":"2019-03-08T14:22:01","guid":{"rendered":"https:\/\/ittutorial.org\/?p=6338"},"modified":"2019-11-28T08:26:57","modified_gmt":"2019-11-28T08:26:57","slug":"linux-disk-speed-test","status":"publish","type":"post","link":"https:\/\/ittutorial.org\/linux-disk-speed-test\/","title":{"rendered":"Linux Disk Speed Test"},"content":{"rendered":"<p>Hi,<\/p>\n<p>Disk speed is very important for database administrator and application. Because disk speed is very slow then you will see slowness automatically.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2602\" src=\"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-mehmet-salih-deveci.jpg\" alt=\"\" width=\"300\" height=\"192\" \/><\/p>\n<p><!--more--><\/p>\n\n<p>&nbsp;<\/p>\n<p>If you want to see disk speed and compare with another disk you can do disk speed test.<\/p>\n<p>You can do disk speed test basically with following.<\/p>\n<pre>[root@MehmetSalih ]# dd if=\/dev\/zero of=deveci.zeroes bs=8M count=125<\/pre>\n<p>&nbsp;<\/p>\n<p>If you want to do disk test in detail you can use following script.<\/p>\n<pre>#!\/bin\/sh \r\nREADBS=8M \r\nBS=8M \r\nCOUNT=125 \r\nREPOSITORIES=\"\/backup\" \r\nfor REPOSITORY in ${REPOSITORIES} ; do \r\nBASECOMMAND=\"time dd if=\/dev\/zero of=${REPOSITORY}\/THIS_IS_A_DD_TEST bs=${BS} count=${COUNT}\" \r\nfor COMMAND in \"${BASECOMMAND}\" \"${BASECOMMAND} conv=fdatasync\" \"${BASECOMMAND} oflag=direct\" ; do \r\necho ${COMMAND} \r\n$COMMAND \r\necho \"\" \r\necho \"---------------------------------\" \r\necho \"\" \r\ndone \r\necho \"dd if=${REPOSITORY}\/THIS_IS_A_DD_TEST of=\/dev\/null bs=${READBS}\" \r\ndd if=${REPOSITORY}\/THIS_IS_A_DD_TEST of=\/dev\/null bs=${READBS} \r\nrm -f ${REPOSITORY}\/THIS_IS_A_DD_TEST \r\necho \"\" \r\necho \"---------------------------------\" \r\necho \"\" \r\ndone<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4><span style=\"color: #ff0000;\">Do you want to learn Linux System Administration for Beginners, then read the following articles.<\/span><\/h4>\n<p><a href=\"https:\/\/ittutorial.org\/linux-administration-tutorial-for-beginners\/\">https:\/\/ittutorial.org\/linux-administration-tutorial-for-beginners\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi, Disk speed is very important for database administrator and application. Because disk speed is very slow then you will see slowness automatically.<\/p>\n","protected":false},"author":1,"featured_media":2602,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11],"tags":[2339,2340,2341,2342,2337,2338,1031,2112,2114,2099,2113],"class_list":["post-6338","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-linux","tag-disk-speed-test","tag-disk-speed-test-in-linux","tag-linux-dd-if","tag-linux-disk-slowness-test","tag-linux-disk-speed-test","tag-linux-disk-test","tag-mehmet-salih-deveci","tag-oracle-dba-scripts","tag-oracle-monitoring-scripts","tag-oracle-scripts","tag-useful-oracle-scripts"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/ittutorial.org\/wp-content\/uploads\/2012\/04\/linux-mehmet-salih-deveci.jpg","jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts\/6338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/comments?post=6338"}],"version-history":[{"count":2,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts\/6338\/revisions"}],"predecessor-version":[{"id":13043,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/posts\/6338\/revisions\/13043"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/media\/2602"}],"wp:attachment":[{"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/media?parent=6338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/categories?post=6338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ittutorial.org\/wp-json\/wp\/v2\/tags?post=6338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}