{"id":3388,"date":"2015-11-27T06:00:38","date_gmt":"2015-11-27T12:00:38","guid":{"rendered":"http:\/\/www.jasemccarty.com\/blog\/?p=3388"},"modified":"2015-11-27T09:03:35","modified_gmt":"2015-11-27T15:03:35","slug":"vmware-virtual-san-stretched-cluster-sizing-guidance","status":"publish","type":"post","link":"https:\/\/www.jasemccarty.com\/blog\/vmware-virtual-san-stretched-cluster-sizing-guidance\/","title":{"rendered":"VMware Virtual SAN Stretched Cluster Sizing Guidance"},"content":{"rendered":"<p><a href=\"http:\/\/www.jasemccarty.com\/blog\/wp-content\/uploads\/2015\/11\/Stretched.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3396 alignright\" src=\"http:\/\/www.jasemccarty.com\/blog\/wp-content\/uploads\/2015\/11\/Stretched-300x225.png\" alt=\"Stretched\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.jasemccarty.com\/blog\/wp-content\/uploads\/2015\/11\/Stretched-300x225.png 300w, https:\/\/www.jasemccarty.com\/blog\/wp-content\/uploads\/2015\/11\/Stretched-900x674.png 900w, https:\/\/www.jasemccarty.com\/blog\/wp-content\/uploads\/2015\/11\/Stretched.png 1014w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>With the release of Virtual SAN 6.1 in September, Stretched Clusters and 2 Node support was introduced. There has been some general guidance given around sizing some of the bandwidth between sites, as well as between the sites and the witness.<\/p>\n<p>How those bandwidth requirements are calculated hasn&#8217;t been publicly available. Site to site bandwidth is based on the number of writes a workload has, while site to witness bandwidth is based on the number of Virtual SAN components on a Virtual SAN datastore.<\/p>\n<p>Working with the Virtual SAN Engineering team and Virtual SAN Product Management, we&#8217;ve put together a white paper on how these bandwidth requirements are calculated, as well as some examples.<\/p>\n<p>Download the\u00a0<a href=\"https:\/\/www.vmware.com\/files\/pdf\/products\/vsan\/vmware-virtual-san-6.1-stretched-cluster-bandwidth-sizing.pdf\" target=\"_blank\"><strong>Virtual SAN Stretched Cluster Bandwidth Sizing Guidance<\/strong> <\/a>white paper for more information on how to size bandwidth for Stretched Clusters and 2 Node configurations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the release of Virtual SAN 6.1 in September, Stretched Clusters and 2 Node support was introduced. There has been some general guidance given around &hellip; <\/p>\n","protected":false},"author":1,"featured_media":3396,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135,10,12],"tags":[162,166,151,152],"class_list":["post-3388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-defined","category-storage-2","category-virtualization","tag-robo","tag-stretched-clusters","tag-virtual-san","tag-vsan"],"_links":{"self":[{"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/posts\/3388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/comments?post=3388"}],"version-history":[{"count":8,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/posts\/3388\/revisions"}],"predecessor-version":[{"id":3397,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/posts\/3388\/revisions\/3397"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/media\/3396"}],"wp:attachment":[{"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/media?parent=3388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/categories?post=3388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jasemccarty.com\/blog\/wp-json\/wp\/v2\/tags?post=3388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}