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What’s new in vSphere 5.1 part 8 September 25, 2012

Posted by vbry21 in Uncategorized.
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Auto Deploy was introduced in VMware vSphere 5.0. vSphere Auto Deploy facilitates the rapid provisioning of vSphere hosts by leveraging the network boot capabilities of x86 servers together with the small footprint of the ESXi hypervisor.

Once installed a vCenter host profile is used to configure the host.  After configuration the host is connected to vCenter where it is available to host virtual machines.   The entire process is fully automated allowing new hosts to be quickly provisioned with no manual intervention.

However if we lost the Autodeploy server we lost the ability to boot our hosts

In vSphere 5.1, autodeploy supports:

Stateless or diskless caching host deployments lets you continue operation if the Auto Deploy server becomes unreachable. This was the only mode of install available in vSphere 5.0.

Stateless Caching caches the image when you apply the host profile. When you later reboot, the host continues to use the Auto Deploy infrastructure to retrieve its image. If the Auto Deploy server is not available, the host uses the cached image.

Stateful or disk-backed install:  Lets you obtain the master image from the Auto Deploy Server to quickly and easily install a new host. When you reboot the host, the host boots from disk, just like a host that was provisioned with the installer. Auto Deploy no longer provisions the host.

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