{"id":93,"date":"2014-08-14T18:41:43","date_gmt":"2014-08-15T01:41:43","guid":{"rendered":"https:\/\/45.77.187.106\/?p=93"},"modified":"2015-03-07T22:10:36","modified_gmt":"2015-03-08T06:10:36","slug":"silicon-valley-vmug-8142014","status":"publish","type":"post","link":"https:\/\/mindthevirt.com\/silicon-valley-vmug-8142014\/","title":{"rendered":"Silicon Valley VMUG &#8211; Double-Take &#038; VSAN"},"content":{"rendered":"<p>Today, I attended\u00a0my first Silicon Valley\u00a0VMUG\u00a0at the Biltmore\u00a0Hotel and Suites\u00a0in San Jose, CA.\u00a0Vision Solutions presented their software Double<a href=\"http:\/\/www.visionsolutions.com\/Products\/DT-Avail.aspx\" target=\"_blank\">&#8211;<\/a>Take\u00a0which provides real-time high availability.\u00a0Joe Cook, Senior Technical Marketing Manager at VMware, provided an overview of VSAN and its requirements.<\/p>\n<p><a href=\"https:\/\/45.77.187.106\/wp-content\/uploads\/2014\/08\/20140814_095835.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-96\" src=\"https:\/\/45.77.187.106\/wp-content\/uploads\/2014\/08\/20140814_095835-1024x576.jpg\" alt=\"VMUG_Silicon_Valley\" width=\"676\" height=\"380\" srcset=\"https:\/\/mindthevirt.com\/wp-content\/uploads\/2014\/08\/20140814_095835-1024x576.jpg 1024w, https:\/\/mindthevirt.com\/wp-content\/uploads\/2014\/08\/20140814_095835-300x168.jpg 300w, https:\/\/mindthevirt.com\/wp-content\/uploads\/2014\/08\/20140814_095835-945x531.jpg 945w, https:\/\/mindthevirt.com\/wp-content\/uploads\/2014\/08\/20140814_095835-600x337.jpg 600w\" sizes=\"(max-width: 676px) 100vw, 676px\" \/><\/a><\/p>\n<p>I took a couple of notes for both presentations and summarized the most important points below:<\/p>\n<h3><strong>Double-Take <\/strong>Availability<\/h3>\n<ul>\n<li>Allow migration P2V, V2P, P2P, V2V cross-hypervisor<\/li>\n<li>Provides HW and Application independent failover<\/li>\n<li>Monitors availability and provides alerting functionality by SNMP and Email<\/li>\n<li>Supports VMware 5.0 and 5.1, as well as Microsoft Hyper-V Server and Role 2008 R2 and 2012<\/li>\n<li>Full server migration and failover <strong>only<\/strong> available for Windows. Linux version will be available in Q4.<\/li>\n<\/ul>\n<h3><strong>Double-Take <\/strong>Replication<\/h3>\n<ul>\n<li>Uses byte-level replication which continuously looks out for changes and transfers them<\/li>\n<li>Either real-time or scheduled<\/li>\n<li>Replication can be throttled<\/li>\n<\/ul>\n<h3><strong>Double-Take <\/strong>Move<\/h3>\n<ul>\n<li>Provides file and folder migration<\/li>\n<li>Does\u00a0<strong>NOT<\/strong> support mounted file shares. Disk needs to show as a local drive<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><strong>VMware Virtual SAN (VSAN) <\/strong>by Joe Cook<\/h3>\n<p><strong>Hardware requirements:<\/strong><\/p>\n<ul>\n<li>Any Server on the VMware Compatibility Guide<\/li>\n<li>At least 1 of each\n<ul>\n<li>SAS\/SATA\/PCIe SSD<\/li>\n<li>SAS\/NL-SAS\/SATA HDD<\/li>\n<\/ul>\n<\/li>\n<li>1Gb\/10Gb NIC<\/li>\n<li>SAS\/SATA Controllers (RAID Controllers\u00a0<strong>must<\/strong> work in &#8220;pass-through&#8221; or RAID0<\/li>\n<li>4GB to 8GB (preferred) USB, SD Cards<\/li>\n<\/ul>\n<p><b>Implementation requirements:<\/b><\/p>\n<ul>\n<li>Minimum of 3 hosts in a cluster configuration<\/li>\n<li>All 3 host <b>must<\/b> contribute storage<\/li>\n<li>vSphere 5.5 U1 or later<\/li>\n<li>Maximum of 32 hosts<\/li>\n<li>Locally attached disks\n<ul>\n<li>Magnetic disks (HDD)<\/li>\n<li>Flash-based devices (SSD)<\/li>\n<\/ul>\n<\/li>\n<li>1Gb or 10Gb (preferred) Ethernet connectivity<\/li>\n<\/ul>\n<p><strong>Virtual SAN Datastore<br \/>\n<\/strong><\/p>\n<ul>\n<li>Distributed datastore capacity, aggregating disk groups found across multiple hosts within the same vSphere cluster<\/li>\n<li>Total capacity is based on magnetic disks (HDDs)\u00a0<strong>only<\/strong>.<\/li>\n<li>Flash based devices (SSDs) are dedicated to VSAN&#8217;s caching layer<\/li>\n<\/ul>\n<p><strong>Virtual SAN Network<\/strong><\/p>\n<ul>\n<li>RequiredadedicatedVMkernel interface for Virtual SAN traffic\n<ul>\n<li>Used for intra-cluster communication and data replication<\/li>\n<\/ul>\n<\/li>\n<li>Standard and Distributed vSwitches are supported<\/li>\n<li>NIC teaming &#8211; used for availability not for bandwidth<\/li>\n<li>Layer 2 Multicast\u00a0<strong>must<\/strong> be enabled on physical switches<\/li>\n<\/ul>\n<p><strong>Virtual SAN Scalable Architecture<\/strong><\/p>\n<ul>\n<li>VSAN provides scale up and scale out architecture\n<ul>\n<li>HDDs are used for capacity<\/li>\n<li>SSDs are used for performance<\/li>\n<li>Disk Groups are used for performance and capacity<\/li>\n<li>Nodes are used for compute capacity<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Additional information<\/strong><\/p>\n<ul>\n<li>VSAN is a cluster level feature like DRS and HA<\/li>\n<li>VSAN will be deployed, configured and manages through the vSphere Web Client\u00a0<strong>only<\/strong><\/li>\n<li>Hands-on labs are available <a href=\"http:\/\/labs.hol.vmware.com\/HOL\/catalogs\/\" target=\"_blank\">here<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Today, I attended\u00a0my first Silicon Valley\u00a0VMUG\u00a0at the Biltmore\u00a0Hotel and Suites\u00a0in San Jose, CA.\u00a0Vision Solutions presented their software Double&#8211;Take\u00a0which provides real-time high availability.\u00a0Joe Cook, Senior Technical Marketing Manager at VMware, provided&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false,"jetpack_publicize_message":"Today's Silicon Valley VMUG covering Double-Take and VMware VSAN.","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[23,154],"tags":[37,38,39,36,35,16,33,34],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Silicon Valley VMUG - Double-Take &amp; VSAN<\/title>\n<meta name=\"description\" content=\"Silicon Valley VMUG on 8\/14\/2014. 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