{"id":262,"date":"2015-09-19T23:56:18","date_gmt":"2015-09-19T23:56:18","guid":{"rendered":"http:\/\/wiki.thomasandsofia.com\/?p=262"},"modified":"2015-11-23T19:23:55","modified_gmt":"2015-11-23T19:23:55","slug":"vmware-data-center-software","status":"publish","type":"post","link":"https:\/\/wiki.thomasandsofia.com\/?p=262","title":{"rendered":"Components of VMware vSphere (Module 2 Pt.2 VMware Data Center Software)"},"content":{"rendered":"<h3>Hypervisor<\/h3>\n<ul>\n<li>Provides VMs with their virtual hardware<\/li>\n<li>Provides appropriate share of physical resources (CPU, HDD, RAM, Bandwidth) as defined.<\/li>\n<li>Performance is determined by the resources allocated to the VM.<\/li>\n<\/ul>\n<h4>Type 1: &#8220;Bare Metal&#8221; Hypervisors<\/h4>\n<p>Typically used for Data Center Virtualization due to less dependence on an OS and is more efficient because performs both rolls as single piece of software.<\/p>\n<ul>\n<li>Install as the Operating System<\/li>\n<li>No underlying OS required.<\/li>\n<li>Perform the functions of the Hypervisor (Resource manage features)<\/li>\n<li>Example: VMware ESXi<\/li>\n<\/ul>\n<h4>Type 2: &#8220;Hosted&#8221; Hypervisors<\/h4>\n<ul>\n<li>Operate as an application on top of a pre-installed OS.<\/li>\n<li>Good if underlying hardware isn&#8217;t supported by Type 1 Hypervisor.<\/li>\n<li>Example: VMware Workstation<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>ESXi<\/h3>\n<ul>\n<li>Bare Metal<\/li>\n<li>Performs roll of OS<\/li>\n<li>Direct access to hardware<\/li>\n<li>Can be installed onto Hard Drives, USB Flash Drives, SD cards<\/li>\n<li>Can also network boot from network tools such as PXE and TFTP Servers.<\/li>\n<\/ul>\n<h4>Common Tasks<\/h4>\n<ul>\n<li>Create VMs<\/li>\n<li>Adjust VM Configurations<\/li>\n<li>Monitor Performance<\/li>\n<li>Configure and Patch Hosts<\/li>\n<li>To Manage all VMs in a single view, you need vCenter<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>vCenter<\/h3>\n<ul>\n<li>Is an advanced manage suite that provides tools and features that make virtualization a natural extension of Data Center management.<\/li>\n<li>Capable of managing several VMs across several Hypervisors.<\/li>\n<li>Scalable &#8211; A single vCenter Instance can manage up to 1000 ESXi Hosts and 10,000 Powered On VMs. Additional instances can be installed as required.<\/li>\n<li>Idenity Management (Active Directory)<\/li>\n<li>Database Server<\/li>\n<li>Application Server<\/li>\n<li>Web Server<\/li>\n<li>VMware vSphere Web Client<\/li>\n<li>Can be installed on a Windows system or deployed as a virtual appliance.<\/li>\n<li>Able to install roles on one or multiple servers, depending on needs<\/li>\n<li>vCenter can be migrated into a Cloud Based configuration<\/li>\n<\/ul>\n<h4>What does vCenter Do?<\/h4>\n<ul>\n<li>Provides ability to perform functions that require multiple ESXi hosts<\/li>\n<li>vMotion &#8211; Migrate running VMs from 1 ESXi host to another WITHOUT disrupting the VM!<\/li>\n<li>Distributed Resource Scheduler (DRS) &#8211; Load balancing for VMs across ESXi hosts. DRS leverages vMotion to balance these hosts.<\/li>\n<li>Distributed Power Management (DPM) &#8211; Power off unused ESXI hosts. Can also power them back on when needed!<\/li>\n<li>Storage vMotion &#8211; Migrates running VMs hard disks from one storage device to another<\/li>\n<li><span style=\"color: #ff0000;\">Storage DRS &#8211; Automates Load Balancing from a Storage perspective<\/span><\/li>\n<li>vSphere Data Protection &#8211; Provides ability to backup VMs. Also provides\n<ul>\n<li>High Availability (HA) &#8211; to restart VM on another host in case of Hardware failure<\/li>\n<li>Fault Tolerance (FT) &#8211; Provides uninterrupted availability for VMs<\/li>\n<li>vSphere Replication &#8211; Copy your VMs to another site for Disaster Recovery purposes<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Hypervisor Provides VMs with their virtual hardware Provides appropriate share of physical resources (CPU, HDD, RAM, Bandwidth) as defined. Performance is determined by the resources allocated to the VM. Type 1: &#8220;Bare Metal&#8221; Hypervisors Typically used for Data Center Virtualization due to less dependence on an OS and is more efficient because performs both rolls ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/wiki.thomasandsofia.com\/?p=262\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,13],"tags":[],"class_list":["post-262","post","type-post","status-publish","format-standard","hentry","category-data-center-virtualization","category-vmware"],"_links":{"self":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=262"}],"version-history":[{"count":7,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/262\/revisions"}],"predecessor-version":[{"id":305,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=\/wp\/v2\/posts\/262\/revisions\/305"}],"wp:attachment":[{"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wiki.thomasandsofia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}