Unified Computing System Hardware

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Virtualization has emerged as a leading trend in the data center. Organizations are embracing the virtualized data center for a variety of reasons, including total cost of ownership (TCO), consolidation, operational efficiency and flexibility, disaster recovery and business continuity, security, and reduced carbon footprint. Cisco is committed to leading the transition toward the virtualized data center through innovative products and solutions, including support for Cisco Unity messaging on the VMware ESXi platform, part of the VMware Infrastructure suite.

Deploying Cisco Unified Communications on VMware ESXi delivers the following advantages:

  • Allows customers to extend the benefits of their virtualization and storage data center investments to Cisco Unified Communications.
  • Maintains the same predictable scalability provided by running the Cisco Unified Communication applications on a physical server.

Cisco Unified Communications are real-time application, which makes it more difficult to virtualize than traditional data-centric applications, such as database and email servers. Delivering this level of performance in a reliable, predictable, and serviceable manner requires some concessions, primarily around not oversubscribing the CPU, RAM and other resources.

You can virtualize many of the Cisco Unified Communication applications, such as Cisco Unified Communication Manager, Cisco Unity Connection, Cisco Unified Presence Server, Cisco Unified Contact Center Express and other Contact Center applications

You can also run a mix of virtual and nonvirtual machines, including the servers in a backup or failover pair. Also note that to virtualize Cisco Unified Communications applications, there is an additional support burden. Customers provide the hardware, VMware ESXi software, and are responsible for coordinating support for these components, including provisioning and performance troubleshooting. Customers who are unwilling to take on such support may be better candidates for deploying Cisco Unified Communication applications on physical servers.

Hardware Requirements

The currently-available Unified Communications System Hardware are:

  • Unified Computing System B-200 M1
  • Unified Computing System C-210 M1

Refer to the section on Related Hardware Documentation for details on these models.

B-200 M1 Requirements

The following hardware requirements apply to the currently-supported Unified Communications applications when using the B-200 M1 hardware:

  • The hardware must be the half-width B-200 blade, with the Intel E5540 CPU or greater.
  • SAN storage must be used.
  • The SAN array must on the VMware list of supported SANs.
  • SAN connectivity must be fiber channel.
  • SAN array disks must be fiber channel or SAS with 10k or 15k spindle speed.
  • No over subscription of of any resource is allowed.

A complete list of requirements is located here.

C-210 M1 Requirements

The following hardware requirements apply to the currently-supported Unified Communications applications when using the C-210 M1 hardware:

  • The hardware must be the C-210 server.
  • The local disks (DAS) must be used for both VMware and any Unified Communications applications when deployed using Reference Configuration 1 and Reference Configuration 2. For Reference Configuration 3, VMware must be installed on local disks (DAS) but Unified Communications applications can be installed on either DAS or SAN. The SAN requirements for Reference Configuration 3 are the same as for the B-200 M1.
  • No over subscription of any resource is allowed.

A complete list of requirements is located here.

Monitoring and Alarming for the the C210M1

Local alarming of hardware is not supported on the C210M1. Remote monitoring and alarming of hardware using CIM is recommended. Refer to the UCS RAID Controller SMI-S Reference Guide for detailed information on this topic.

Related Hardware Documentation

Unified Computing System B-Series Servers

Unified Computing System C-Series Servers

Unified Computing System 5100 Series Blade Server Chassis

Unified Computing System 6100 Series Fabric Interconnects

Unified Computing System 2100 Series Fabric Extenders

Unified Computing System Manager

Back to Unified Communications Virtualization main page

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