Hot add and hot reconfigure of ESXi VMs
Abiquo supports CPU and RAM hot add for VM templates on ESXi hypervisors so that users can reconfigure VMs directly in the hypervisor, through the Abiquo user interface.
Abiquo also supports hot reconfigure of NICs and VNC remote access, as well as hot reconfigure to add or remove SCSI disks.
After you enable these options, you can reconfigure (using the Abiquo UI or API) a VM that is ON or PAUSED without powering it off.
Limitations
In Abiquo the hot-reconfigure of disks has the following limitations
IDE disks are not supported
Abiquo will save other changes to the boot sequence but it will not implement them in the hypervisor.
To implement these changes, power off the VM and make another configuration change that will trigger a reconfigure
Enable hot-add and hot-reconfigure options in the user interface
Before you begin:
Check that your VM operating system will support hot-add and hot-reconfigure
See VMware documentation: https://www.vmware.com/resources/compatibility/search.php?deviceCategory=software
Enabling hot-add and hot-reconfigure options may have a performance penalty
To enable hot-add and hot-reconfigure options in a VM template:
Edit the VM template and go to Advanced
Check that the Operating system and OS version are correctly set for your system:
Operating system type: to use the latest version of an operating system, select a generic type, e.g. WINDOWS, and do not enter the version.
OS version: to provide details of operating systems and add operating systems not included in the list of codes
For full tables of operating systems and details, see Set the guest operating system for VMware and Extended OVF Support and Template Definition.
Select the appropriate hot-add and hot-reconfigure options for your VM from:
CPU hot-add
RAM hot-add
Disks hot-reconfigure
NICs hot-reconfigure
VNC Remote access hot-reconfigure (except password changes)
Edit a template on the Advanced tab for Hot reconfigure options
Click Save
Now you will be able to reconfigure the selected elements of the VM while it is powered on.
API
To enable hot-add and hot-reconfigure options in a VM template using the API, modify the template. See https://wiki.abiquo.com/api/latest/VirtualMachineTemplatesResource.html
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