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4.2 Red Hat Enterprise Virtualization (RHEV) for Servers

Red Hat Enterprise Virtualization (RHEV) for Servers is an end-to-end virtualization solution

that is designed to enable pervasive data center virtualization, and unlock unprecedented

capital and operational efficiency.

RHEV is the ideal platform on which to build an internal or private cloud of Red Hat Enterprise

Linux or Windows virtual machines.

RHEV consists of the following two components:

• Red Hat Enterprise Virtualization Manager (RHEV-M): A feature-rich server

virtualization management system that provides advanced capabilities for hosts and

guests, including high availability, live migration, storage management, system

scheduler, and more.

• Red Hat Enterprise Virtualization Hypervisor: A modern hypervisor based on KVM

which can be deployed as either RHEV-H, a standalone bare metal hypervisor

(included with Red Hat Enterprise Virtualization for Servers), or as Red Hat Enterprise

Linux 5.4 and later (purchased separately) installed as a hypervisor.

Some key characteristics of RHEV are listed below:

Scalability:

• Host: Up to 512 cores, 1 TB RAM

• Guest/VM: Up to 16 vCPUs, 256 GB RAM

Advanced features:

• Memory page sharing, advanced scheduling capabilities, and more, inherited from the

Red Hat Enterprise Linux kernel

Guest operating system support:

• Paravirtualized network and block drivers for highest performance

• Red Hat Enterprise Linux Guests (32-bit & 64-bit): Red Hat Enterprise Linux 3, 4 and 5

• Microsoft

Windows

Guests (32-bit & 64-bit): Windows 2003 server, Windows 2008

server, Windows XP, SVVP, and WHQL certified.

Hardware support:

• All 64-bit x86 servers that support Intel VT or AMD-V technology and are certified for

Red Hat Enterprise Linux 5 are certified for Red Hat Enterprise Virtualization.

• Red Hat Enterprise Virtualization supports NAS/NFS, Fibre Channel, and iSCSI

storage topologies.

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