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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>4.3. Minimum System Requirements</title><link rel="stylesheet" type="text/css" href="Common_Content/css/default.css" /><link rel="stylesheet" media="print" href="Common_Content/css/print.css" type="text/css" /><meta name="generator" content="publican 2.8" /><meta name="package" content="Apache_CloudStack-Installation_Guide-4.0.0-incubating-en-US-1-" /><link rel="home" href="index.html" title="CloudStack Installation Guide" /><link rel="up" href="installation.html" title="Chapter 4. Installation" /><link rel="prev" href="installation-steps-overview.html" title="4.2. Overview of Installation Steps" /><link rel="next" href="configure-package-repository.html" title="4.4. Configure package repository" /></head><body><p id="title"><a class="left" href="http://cloudstack.org"><img src="Common_Content/images/image_left.png" alt="Product Site" /></a><a class="right" href="http://docs.cloudstack.org"><img src="Common_Content/images/image_right.png" alt="Documentation Site" /></a></p><ul class="docnav"><li class="previous"><a accesskey="p" href="installation-steps-overview.html"><strong>Prev</strong></a></li><li class="next"><a accesskey="n" href="configure-package-repository.html"><strong>Next</strong></a></li></ul><div xml:lang="en-US" class="section" id="minimum-system-requirements" lang="en-US"><div class="titlepage"><div><div><h2 class="title" id="minimum-system-requirements">4.3. Minimum System Requirements</h2></div></div></div><div class="section" id="management-server-system-requirements"><div class="titlepage"><div><div><h3 class="title" id="management-server-system-requirements">4.3.1. Management Server, Database, and Storage System Requirements</h3></div></div></div><div class="para">
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The machines that will run the Management Server and MySQL database must meet the following requirements. The same machines can also be used to provide primary and secondary storage, such as via localdisk or NFS. The Management Server may be placed on a virtual machine.
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</div><div class="itemizedlist"><ul><li class="listitem"><div class="para">
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Operating system:
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</div><div class="itemizedlist"><ul><li class="listitem"><div class="para">
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Preferred: CentOS/RHEL 6.3+ or Ubuntu 12.04(.1)
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</div></li></ul></div></li><li class="listitem"><div class="para">
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64-bit x86 CPU (more cores results in better performance)
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</div></li><li class="listitem"><div class="para">
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4 GB of memory
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</div></li><li class="listitem"><div class="para">
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50 GB of local disk (When running secondary storage on the management server 500GB is recommended)
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</div></li><li class="listitem"><div class="para">
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At least 1 NIC
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</div></li><li class="listitem"><div class="para">
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Statically allocated IP address
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</div></li><li class="listitem"><div class="para">
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Fully qualified domain name as returned by the hostname command
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</div></li></ul></div></div><div class="section" id="hypervisor-system-requirements"><div class="titlepage"><div><div><h3 class="title" id="hypervisor-system-requirements">4.3.2. Host/Hypervisor System Requirements</h3></div></div></div><div class="para">
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The host is where the cloud services run in the form of guest virtual machines. Each host is one machine that meets the following requirements:
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</div><div class="itemizedlist"><ul><li class="listitem"><div class="para">
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Must support HVM (Intel-VT or AMD-V enabled).
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</div></li><li class="listitem"><div class="para">
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64-bit x86 CPU (more cores results in better performance)
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</div></li><li class="listitem"><div class="para">
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Hardware virtualization support required
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</div></li><li class="listitem"><div class="para">
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4 GB of memory
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</div></li><li class="listitem"><div class="para">
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36 GB of local disk
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</div></li><li class="listitem"><div class="para">
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At least 1 NIC
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</div></li><li class="listitem"><div class="note"><div class="admonition_header"><h2>Note</h2></div><div class="admonition"><div class="para">
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If DHCP is used for hosts, ensure that no conflict occurs between DHCP server used for these hosts and the DHCP router created by CloudStack.
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</div></div></div></li><li class="listitem"><div class="para">
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Latest hotfixes applied to hypervisor software
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</div></li><li class="listitem"><div class="para">
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When you deploy CloudStack, the hypervisor host must not have any VMs already running
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</div></li><li class="listitem"><div class="para">
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All hosts within a cluster must be homogenous. The CPUs must be of the same type, count, and feature flags.
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</div></li></ul></div><div class="para">
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Hosts have additional requirements depending on the hypervisor. See the requirements listed at the top of the Installation section for your chosen hypervisor:
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</div><div class="warning"><div class="admonition_header"><h2>Warning</h2></div><div class="admonition"><div class="para">
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Be sure you fulfill the additional hypervisor requirements and installation steps provided in this Guide. Hypervisor hosts must be properly prepared to work with CloudStack. For example, the requirements for XenServer are listed under Citrix XenServer Installation.
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</div></div></div><div class="itemizedlist"><ul><li class="listitem"><div class="para">
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<a class="xref" href="hypervisor-kvm-install-flow.html#hypervisor-kvm-requirements">Section 8.1.1, “System Requirements for KVM Hypervisor Hosts”</a>
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</div></li><li class="listitem"><div class="para">
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<a class="xref" href="citrix-xenserver-installation.html#system-requirements-xenserver-hosts">Section 8.2.1, “System Requirements for XenServer Hosts”</a>
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</div></li><li class="listitem"><div class="para">
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<a class="xref" href="vmware-install.html#vmware-requirements">Section 8.3.1, “System Requirements for vSphere Hosts”</a>
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</div></li></ul></div></div></div><ul class="docnav"><li class="previous"><a accesskey="p" href="installation-steps-overview.html"><strong>Prev</strong>4.2. Overview of Installation Steps</a></li><li class="up"><a accesskey="u" href="#"><strong>Up</strong></a></li><li class="home"><a accesskey="h" href="index.html"><strong>Home</strong></a></li><li class="next"><a accesskey="n" href="configure-package-repository.html"><strong>Next</strong>4.4. Configure package repository</a></li></ul></body></html>
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