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HP Education Services H vSphere 4.1 introduces an impressive


									HP Education Services                                                                H
                                                   Storage I/O Control. This feature
                                                    provides quality-of-service
vSphere 4.1 introduces an impressive                capabilities for storage I/O in the
number of new features:                             form of I/O shares and limits that are
                                                    enforced across all virtual machines
      Scripted Install for ESXi. Scripted          accessing a datastore, regardless of
       installation of ESXi to local and            which host they are running on.
       remote disks allows rapid                    Using Storage I/O Control, vSphere
       deployment of ESXi to many                   administrators can ensure that the
       machines. You can start the scripted         most important virtual machines get
       installation with a CD-ROM drive or          adequate I/O resources even in times
       over the network by using PXE                of congestion.
       booting.                                    iSCSI Hardware Offloads. vSphere
      vSphere Client Removal from                  4.1 enables 10Gb iSCSI hardware
       ESX/ESXi Builds. For ESX and                 offloads (Broadcom 57711) and 1Gb
       ESXi, the vSphere Client is available        iSCSI hardware offloads (Broadcom
       for download from the VMware Web             5709).
       site. It is no longer packaged with         Network I/O Control. Traffic-
       builds of ESX and ESXi.                      management controls allow flexible
      Boot from SAN. vSphere 4.1                   partitioning of physical NIC
       enables ESXi boot from SAN (BFN).            bandwidth between different traffic
       iSCSI, FCoE, and Fibre Channel               types, including virtual machine,
       boot are supported.                          vMotion, FT, and IP storage traffic
                                                    (vNetwork Distributed Switch only).
      Hardware Acceleration with                  IPv6 Enhancements. IPv6 in ESX
       vStorage APIs for Array                      supports Internet Protocol Security
       Integration (VAAI). ESX can                  (IPsec) with manual keying.
       offload specific storage operations to      Load-Based Teaming. vSphere 4.1
       compliant storage hardware. With             allows dynamic adjustment of the
       storage hardware assistance, ESX             teaming algorithm so that the load is
       performs these operations faster and         always balanced across a team of
       consumes less CPU, memory, and               physical adapters on a vNetwork
       storage fabric bandwidth.                    Distributed Switch.
      Storage Performance Statistics.             E1000 vNIC Enhancements. E1000
       vSphere 4.1 offers enhanced                  vNIC supports jumbo frames in
       visibility into storage throughput and       vSphere 4.1.
       latency of hosts and virtual machines,      Windows Failover Clustering with
       and aids in troubleshooting storage          VMware HA. Clustered Virtual
       performance issues. NFS statistics           Machines that utilize Windows
       are now available in vCenter Server          Failover Clustering/Microsoft
       performance charts, as well as esxtop.       Cluster Service are now fully
       New VMDK and datastore statistics            supported in conjunction with
       are included. All statistics are             VMware HA.
       available through the vSphere SDK.          VMware HA Scalability
                                                    Improvements. VMware HA has
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       the same limits for virtual machines           CPU usage. In addition, you can use
       per host, hosts per cluster, and virtual       vmxnet3 vNICs in FT-enabled
       machines per cluster as vSphere.               virtual machines.
      VMware HA Healthcheck and                     Concurrent VMware Data
       Operational Status. The VMware                 Recovery Sessions. vSphere 4.1
       HA dashboard in the vSphere Client             provides the ability to concurrently
       provides a new detailed window                 manage multiple VMware Data
       called Cluster Operational Status.             Recovery appliances.
       This window displays more                     vStorage APIs for Data Protection
       information about the current                  (VADP) Enhancements. VADP
       VMware HA operational status,                  now offers VSS quiescing support
       including the specific status and              for Windows Server 2008 and
       errors for each host in the VMware             Windows Server 2008 R2 servers.
       HA cluster.                                    This enables application-consistent
      VMware Fault Tolerance (FT)                    backup and restore operations for
       Enhancements. vSphere 4.1                      Windows Server 2008 and Windows
       introduces an FT-specific                      Server 2008 R2 applications.
       versioning-control mechanism that             vCLI Enhancements. vCLI adds
       allows the Primary and Secondary               options for SCSI, VAAI, network,
       VMs to run on FT-compatible hosts              and virtual machine control,
       at different but compatible patch              including the ability to terminate an
       levels. vSphere 4.1 differentiates             unresponsive virtual machine. In
       between events that are logged for a           addition, vSphere 4.1 provides
       Primary VM and those that are                  controls that allow you to log vCLI
       logged for its Secondary VM, and               activity.
       reports why a host might not support          Lockdown Mode Enhancements.
       FT. In addition, you can disable               VMware ESXi 4.1 lockdown mode
       VMware HA when FT-enabled                      allows the administrator to tightly
       virtual machines are deployed in a             restrict access to the ESXi Direct
       cluster, allowing for cluster                  Console User Interface (DCUI) and
       maintenance operations without                 Tech Support Mode (TSM). When
       turning off FT.                                lockdown mode is enabled, DCUI
      DRS Interoperability for VMware                access is restricted to the root user,
       HA and Fault Tolerance (FT). FT-               while access to Tech Support Mode
       enabled virtual machines can take              is completely disabled for all users.
       advantage of DRS functionality for             With lockdown mode enabled,
       load balancing and initial placement.          access to the host for management or
       In addition, VMware HA and DRS                 monitoring using CIM is possible
       are tightly integrated, which allows           only through vCenter Server. Direct
       VMware HA to restart virtual                   access to the host using the vSphere
       machines in more situations.                   Client is not permitted.
      Enhanced Network Logging                      Access Virtual Machine Serial
       Performance. Fault Tolerance (FT)              Ports Over the Network. You can
       network logging performance allows             redirect virtual machine serial ports
       improved throughput and reduced                over a standard network link in
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       vSphere 4.1. This enables solutions           Update Manager. Update Manager
       such as third-party virtual serial port       4.1 immediately sends critical
       concentrators for virtual machine             notifications about recalled ESX and
       serial console management or                  related patches. In addition, Update
       monitoring.                                   Manager prevents you from
      vCenter Converter Hyper-V                     installing a recalled patch that you
       Import. vCenter Converter allows              might have already downloaded.
       users to point to a Hyper-V machine.          This feature also helps you identify
       Converter displays the virtual                hosts where recalled patches might
       machines running on the Hyper-V               already be installed.
       system, and users can select a               License Reporting Manager. The
       powered-off virtual machine to                License Reporting Manager provides
       import to a VMware destination.               a centralized interface for all license
      Enhancements to Host Profiles.                keys for vSphere 4.1 products in a
       You can use Host Profiles to roll out         virtual IT infrastructure and their
       administrator password changes in             respective usage. You can view and
       vSphere 4.1. Enhancements also                generate reports on license keys and
       include improved Cisco Nexus                  usage for different time periods with
       1000V support and PCI device                  the License Reporting Manager. A
       ordering configuration.                       historical record of the utilization per
      Unattended Authentication in                  license key is maintained in the
       vSphere Management Assistant                  vCenter Server database.
       (vMA). vMA 4.1 offers improved               Power Management
       authentication capability, including          Improvements. ESX 4.1 takes
       integration with Active Directory             advantage of deep sleep states to
       and commands to configure the                 further reduce power consumption
       connection.                                   during idle periods. The vSphere
      Updated Deployment                            Client has a simple user interface
       Environment in vSphere                        that allows you to choose one of four
       Management Assistant (vMA). The               host power management policies. In
       updated deployment environment in             addition, you can view the history of
       vMA 4.1 is fully compatible with              host power consumption and power
       vMA 4.0. A significant change is the          cap information on the vSphere
       transition from RHEL to CentOS.               Client Performance tab on newer
      vCenter Orchestrator 64-bit                   platforms with integrated power
       Support. vCenter Orchestrator 4.1             meters.
       provides a client and server for 64-         Reduced Overhead Memory.
       bit installations, with an optional 32-       vSphere 4.1 reduces the amount of
       bit client. The performance of the            overhead memory required,
       Orchestrator server on 64-bit                 especially when running large virtual
       installations is greatly enhanced, as         machines on systems with CPUs that
       compared to running the server on a           provide hardware MMU support
       32-bit machine.                               (AMD RVI or Intel EPT).
      Improved Support for Handling                DRS Virtual Machine Host
       Recalled Patches in vCenter                   Affinity Rules. DRS provides the
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       ability to set constraints that restrict      Configuring USB Device
       placement of a virtual machine to a            Passthrough from an ESX/ESXi
       subset of hosts in a cluster. This             Host to a Virtual Machine. You
       feature is useful for enforcing host-          can configure a virtual machine to
       based ISV licensing models, as well            use USB devices that are connected
       as keeping sets of virtual machines            to an ESX/ESXi host where the
       on different racks or blade systems            virtual machine is running. The
       for availability reasons.                      connection is maintained even if you
      Memory Compression. Compressed                 migrate the virtual machine using
       memory is a new level of the                   vMotion.
       memory hierarchy, between RAM                 Improvements in Enhanced
       and disk. Slower than memory, but              vMotion Compatibility. vSphere
       much faster than disk, compressed              4.1 includes an AMD Opteron Gen.
       memory improves the performance                3 (no 3DNow!) EVC mode that
       of virtual machines when memory is             prepares clusters for vMotion
       under contention, because less                 compatibility with future AMD
       virtual memory is swapped to disk.             processors. EVC also provides
      vMotion Enhancements. In vSphere               numerous usability improvements,
       4.1, vMotion enhancements                      including the display of EVC modes
       significantly reduce the overall time          for virtual machines, more timely
       for host evacuations, with support for         error detection, better error messages,
       more simultaneous virtual machine              and the reduced need to restart
       migrations and faster individual               virtual machines.
       virtual machine migrations. The               vCenter Update Manager Support
       result is a performance improvement            for Provisioning, Patching, and
       of up to 8x for an individual virtual          Upgrading EMC’s ESX
       machine migration, and support for             PowerPath Module. vCenter
       four to eight simultaneous vMotion             Update Manager can provision,
       migrations per host, depending on              patch, and upgrade third-party
       the vMotion network adapter (1GbE              modules that you can install on ESX,
       or 10GbE respectively).                        such as EMC’s PowerPath
      ESX/ESXi Active Directory                      multipathing software. Using the
       Integration. Integration with                  capability of Update Manager to set
       Microsoft Active Directory allows              policies using the Baseline construct
       seamless user authentication for               and the comprehensive Compliance
       ESX/ESXi. You can maintain users               Dashboard, you can simplify
       and groups in Active Directory for             provisioning, patching, and upgrade
       centralized user management and                of the PowerPath module at scale.
       you can assign privileges to users or         User-configurable Number of
       groups on ESX/ESXi hosts. In                   Virtual CPUs per Virtual Socket.
       vSphere 4.1, integration with Active           You can configure virtual machines
       Directory allows you to roll out               to have multiple virtual CPUs reside
       permission rules to hosts by using             in a single virtual socket, with each
       Host Profiles.                                 virtual CPU appearing to the guest
                                                      operating system as a single core.
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       Previously, virtual machines were
       restricted to having only one virtual
       CPU per virtual socket.
      Expanded List of Supported
       Processors. The list of supported
       processors has been expanded for
       ESX 4.1. Among the supported
       processors is the Intel Xeon 7500
       Series processor, code-named
       Nehalem-EX (up to 8 sockets).

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