{"id":130,"date":"2017-06-13T13:11:15","date_gmt":"2017-06-13T12:11:15","guid":{"rendered":"http:\/\/www.virtit.nl\/?p=130"},"modified":"2017-06-13T13:11:15","modified_gmt":"2017-06-13T12:11:15","slug":"slow-ssd-perfomance-with-esxi-6-5-and-older-ahci-controllers","status":"publish","type":"post","link":"https:\/\/www.virtit.nl\/?p=130","title":{"rendered":"Slow SSD perfomance with ESXi 6.5 and older AHCI controllers"},"content":{"rendered":"<p>ESXi 6.5 includes a new native driver (vmw_ahci) for SATA AHCI controllers, but that introduces performance problems with a lot of controllers and\/or disks.<\/p>\n<p>Try to disable the native driver and revert to the older sata-ahci driver by running<\/p>\n<pre class=\"lang:default decode:true\"> esxcli system module set --enabled=false --module=vmw_ahci<\/pre>\n<p>Reboot the server after changing it and your performance should be OK again.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ESXi 6.5 includes a new native driver (vmw_ahci) for SATA AHCI controllers, but that introduces performance problems with a lot of controllers and\/or disks. Try to disable the native driver and revert to the older sata-ahci driver by running esxcli system module set &#8211;enabled=false &#8211;module=vmw_ahci Reboot the server after changing it and your performance should [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.virtit.nl\/index.php?rest_route=\/wp\/v2\/posts\/130"}],"collection":[{"href":"https:\/\/www.virtit.nl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.virtit.nl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.virtit.nl\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.virtit.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130"}],"version-history":[{"count":1,"href":"https:\/\/www.virtit.nl\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions"}],"predecessor-version":[{"id":131,"href":"https:\/\/www.virtit.nl\/index.php?rest_route=\/wp\/v2\/posts\/130\/revisions\/131"}],"wp:attachment":[{"href":"https:\/\/www.virtit.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.virtit.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.virtit.nl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}