{"id":63,"date":"2012-03-10T11:37:12","date_gmt":"2012-03-10T11:37:12","guid":{"rendered":"http:\/\/swuve.com\/?p=63"},"modified":"2012-03-10T11:37:12","modified_gmt":"2012-03-10T11:37:12","slug":"how-to-restrict-the-amount-of-physical-cpus-presented-to-esxi","status":"publish","type":"post","link":"http:\/\/swuve.com\/?p=63","title":{"rendered":"How to restrict the amount of Physical CPUs presented to ESXi"},"content":{"rendered":"<p>Issue:<br \/>\nThere are times when you might want or need to limit the amount of Physical CPUs (PCPU) presented to ESXi.\u00a0 It can be either a licensing issue or perhaps you just need to run some testing.\u00a0 For whatever reason, physically removing the CPUs is not an option so you need a way to tell ESXi to ignore the excess Physical CPUs.<\/p>\n<p>Resolution:<\/p>\n<ol>\n<li>Modify the VMkernel.Boot.maxPCPUS setting<\/li>\n<li>This is listed under Configuration -&gt; Software -&gt; Advanced Settings -&gt;VMKernel -&gt; Boot<\/li>\n<li>The number you put here depends on your configuration.\u00a0 For instance, if you have a 4 proc by 4 core system and you want to reduce the number of physical processors to 2 and maximize the logical processors, you would put 8 as the number. 2&#215;4.<\/li>\n<li>If you have a 4 proc by 2 core system and you want to reduce the number of physical processors to 2 and maximize the logical processors, you would put 4 as the number. 2&#215;2<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Search terms followed:<\/p>\n<ul>\n<li>make server use less processors<\/li>\n<li>vmware utilize fewer sockets<\/li>\n<li>only want vmware to use two sockets<\/li>\n<li>only want server to use 2 processor sockets<\/li>\n<li>how to turn off a processor socket<\/li>\n<li>esx server has too many sockets<\/li>\n<li>esx server mask cpu socket<\/li>\n<li>limit cpu cores<\/li>\n<li>vmware limit cpu<\/li>\n<li>Multiple cpu limit in VMware<\/li>\n<li>vmware limit pcpu<\/li>\n<li>vmware limit physical cpu<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Issue: There are times when you might want or need to limit the amount of Physical CPUs (PCPU) presented to ESXi.\u00a0 It can be either a licensing issue or perhaps you just need to run some testing.\u00a0 For whatever reason, physically removing the CPUs is not an option so you need a way to tell [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[40,48,66,103],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-vmware","tag-esxi","tag-limits","tag-pcpu","tag-vmware"],"_links":{"self":[{"href":"http:\/\/swuve.com\/index.php?rest_route=\/wp\/v2\/posts\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/swuve.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/swuve.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/swuve.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/swuve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63"}],"version-history":[{"count":0,"href":"http:\/\/swuve.com\/index.php?rest_route=\/wp\/v2\/posts\/63\/revisions"}],"wp:attachment":[{"href":"http:\/\/swuve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/swuve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/swuve.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}