VMware vSphere 5.1 is anounced. Available from september 12th 2012. What’s New?

NOTE: I’m still  digging through the ‘what’s new’ documents, so I’ll probably be adding info to this document in the coming days.

This post is summing up all the notable changes and new features in vSphere 5.1 for future reference. VM:

  • 64 vCPU is now possible (up from 32 in 5.0)
  • VM version 9. Now supports GPU acceleration (Only usable in VMware View) on selected nVidia GPU’s
  • New feature: Guest OS Storage Reclamation (Only usable in VMware View)
  • New feature: VHV (virtualized hardware virtualization) to run VM’s inside of VM’s
  • A shift from using virtual hardware versioning to ‘Compatibility levels’


  • Upgrading to VM version 9 doesn’t require the VM to be down
  • Shell activity is no longer logged as root, but as the logged on user
  • New feature: Support for SNMPv3
  • vMotion and svMotion can now be combined in one action
  • Windows 8/2012 are supported
  • Piledriver, Sandy Bridge E and Ivy bridge CPUs are now supported


  • dvSwitch supports LACP
  • New feature: Network Health Check
  • New feature: Configuration Backup & Restore
  • New feature: Roll Back and Recovery
  • SR-IOV support


  • vMotion is now possible on non-shared storage
  • vMotion and svMotion can now be done simultaneously (“Unified” vMotion)
  • New feature: vSphere Data Protection. Agentless VM to disk backup with dedup
  • New feature: vSphere Replication. Replication on VM level over SAN or WAN
  • After installing VMware Tools 5.1 (and reboot), no more reboots are needed with future installs of VMware Tools


  • New feature: VMwarevShield Enpoint is now included


  • sDRS and Storage Driven Profiles are now integated in VMware vCloud Director (5.1?)
  • vSphere Auto Deploy has 2 new method for deploying vSphere hosts: Stateless Caching and Statefull Installs
  • Up to 80 concurrent hosts boots are now supported by the Auto Deploy server


  • vSphere Web Client is greatly improved
  • New feature: vCenter Signle Sign-on
  • vCenter Orchestrator has newly designed workflows and can now be launched by the vSphere Web Client


  • vSphere licensing is back to CPU sockets instead of a specific amounts of vRAM per CPU socket. (Thanks Michael)


  • Max number of hosts that can share a read-only file is now 32 (up from 8 in vSphere 5.0)
  • New feature: Virtual disk type SE sparse disk. Used to enable wipe/UNMAP free disk space initiated from within the VM (VMware Tools). HW version 9 required. VMware View only.
  • Grain size of VMDK is now tunable, but not by users =) Default size is still 4KB. Redo  logs still user 512B.
  • Improved APD and PDL handling: Misc.APDHandlingEnable, Misc.APDTimeout, disk.terminateVMOnPDLDefault, das.maskCleanShutdownEnabled
  • Extends detection to PDL for iSCSI arrays with single LUN per target
  • Booting from software FCoE adapter is now supported
  • 16Gb speed support for 16Gb FC HBA’s
  • vCloud Director 5.1 can now also make use of VAAI NAS primitives (using a plugin from the vendor) to off-load the creation of linked clones
  • New namespaces in esxcli (esxcli storage san)for troubleshooting
  • New feature: Smartd daemon. Collects SMART info from disks. Can only be used from esxcli.
  • SOIC will now calculate the latency threshold from the 90% throughput value (90% of peak value)
  • SOIC will now be enabled in stats only mode by default
  • When involving vCloud Director linked clones, sDRS will now not recommend placing them on datastores that do not contain the base disk or a shadow vm copy of the base disk
  • The datastore correlation detector now uses the I/O injector, so no VASA support is needed anymore
  • New SIOC metric: VmObservedLatency
  • Support for4 parallel disk copies per svMotion operation to distinct datastores
  • Jumbo frame support for all iSCSI adapters

Duncan Epping posted the links to the ‘what’s new’ documents. If you want to read them yourself, click here.


About Yuri de Jager
Technology Addict

One Response to VMware vSphere 5.1 is anounced. Available from september 12th 2012. What’s New?

  1. mellerbeck says:

    what about the end of the memory tax 🙂

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