The VMware vCenter Server Appliance (VCSA) consists of a prepackaged 64-bit SUSE Linux Enterprise Server 11 virtual machine that hosts a VMware vCenter Server instance. By not relying on a Windows-based OS, customers can eliminate the licensing costs typically associated with running VMware vCenter Server. A Web-based user interface provides a convenient means to configure all aspects of a VMware VCSA instance, including the following ones:
• Services – It provides a means to configure services such as syslog, netdump, AutoDeploy, and the vSphere Web Client.
• Authentication – It enables the configuration of authentication services through Microsoft Active Directory or NIS.
• Network – Configuration of IPv4 networking settings, including proxies, can be performed.
• System – Aspects such as the time zone can be configured.
• Upgrades – Upgrades simply consist of deploying a new VMware vCenter Server Appliance. Built-in configuration migration utilities are provided to securely import configuration data from a previous installation.
The VMware VCSA is packaged with an embedded database that supports up to five hosts and 50 virtual machines. When deploying VMware VCSA in larger environments, it supports connecting to an external Oracle database. Configured with an external database, it can support 300 hosts and 3,000 64-bit virtual machines. After the VMware vCenter Server Appliance has been deployed and configured, it performs exactly like the Windows-based version of VMware vCenter Server, with the exception that Linked Mode is not currently supported.
Thanks to VMware, Information is from the white paper provided by VMware.
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