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You have two options for provisioning VMs on a HyperFlex pod. The option you choose depends upon how many VMs you want to provision at one time and whether you want to enable your end users to provision VMs on a HyperFlex pod.
VDC-based VMs enable a user with administrative permissions or your end users to provision one VM at a time.
ReadyClone VMs enable a user with administrative permissions to provision multiple VMs at a time. ReadyClone VMs perform rapid cloning of many VMs through HyperFlex technology. All of these VMs must be based on the same VM template. See the Cisco HyperFlex Data Platform Management Guide for more information about ReadyClone VMs on Cisco HX Data Platform.
You can use a Virtual Data Center (VDC) to provision a VM on a HyperFlex pod through the standard Cisco UCS Director VM provisioning process. If you provision VMs with VDCs, you must ensure that all HyperFlex VDCs have the recommended configuration.
See the Cisco UCS Director Administration Guide for more information about VDCs and how to provision VMs.
ReadyClone VMs enable you to rapidly create and customize multiple cloned VMs from the same VM template. When the cloning operation is complete, the ReadyClone VM is a separate guest VM with its own operating system.
Changes made to a ReadyClone VM do not affect the VM template. A ReadyClone VM's MAC address and UUID are different from those of the VM template.
For more information about the features, benefits, best practices, and guidelines for ReadyClone VMs, see the Cisco HyperFlex Data Platform Management Guide.
Review the following guidelines before you provision the VMs using ReadyClone.
You must have Cisco UCS Director administrative privileges to provision ReadyClone VMs in the Cisco UCS Director Admin Portal.
The VM template that you use to create ReadyClone VMs must meet the guidelines provided in the Cisco HyperFlex Data Platform Management Guide.
You can simultaneously provision between 1 and 256 ReadyClone VMs from a single VM template.
All VMs provisioned with ReadyClone must use the same customization specification in VMware vCenter for the guest operating system (OS) settings. The guest OS can be either Linux or Windows.
To provision a VM through ReadyClone:
Check the ReadyClone check box during Storage Policy configuration.
Check the ReadyClone check box during Catalog creation.
When using a Standard Catalog for provisioning, verify that the selected image is on an HX datastore, and the VM does not have multiple disks and VMware snapshots.
If this condition is not met, you will receive an error message when you use ReadyClone option to provision a VM.
Create the desired VM templates in VMware vCenter.
(Optional) Create a customization specification in VMware vCenter to specify the guest OS settings for all VMs.
Make sure that the datastore with the VM template is mounted on all of the hosts in the HX cluster.
The space required for the number of VMs being provisioned must be less than the free space available on the datastore to avoid provisioning failure.
Step 1 | Choose . | ||
Step 2 | On the HyperFlex page, choose the pod. | ||
Step 3 | On the HyperFlex page, click VM Templates. | ||
Step 4 | Click the row with the VM template on which you want to base the ReadyClone VMs and then click Create ReadyClone VMs. | ||
Step 5 | On the Create HyperFlex ReadyClone VMs screen, complete the required fields, including the following: | ||
Step 6 | Click
Submit.
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