With the maintenance operation, you can schedule recurring or immediate maintenance of all the RDS hosts in an automated farm. During each maintenance cycle, all the RDS hosts are refreshed from the golden image Nutanix template.
You can refresh the RDS hosts using the same golden image Nutanix template, or choose a new golden image Nutanix template to push out an updated image to the RDS hosts.
If possible, schedule maintenance operations during off-peak hours to ensure all that RDS hosts have finished maintenance and are available during peak hours.
Note: When scheduling maintenance and selecting to wait for users to log off, Horizon will automatically disable RDS Hosts (preventing new connections) as required in order to allow sessions to drain and maintenance to occur. The minimum farm size setting is honored, meaning that number of RDS Hosts will remain available for new connections.
Prerequisites
- Prism Central (PC) version 2024.3
- AOS version 7.0
- AHV version 10.0
Procedure
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In Horizon Console, navigate to Inventory > Farms.
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Select the pool ID of the farm for which you want to schedule maintenance.
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Click Maintain > Schedule.
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In the Schedule Push Image wizard, choose a Golden Image.
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Click Next.
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In Advanced Settings, select a Destination Cluster and Guest Customizations.
| Option | Action |
|---|---|
| Domain | Select the domain to join the RDSH VMs. |
| AD Container | Select the Active Directory container (OU or group) where computer accounts will be created. |
| Site Name | Select the Active Directory site for these VMs. This option is only available if ClonePrep is selected. |
| Allow Reuse of Existing Computer Accounts | Disable is the default setting. |
| Image Publishing Computer Account | Select if needed. |
| Customization | Select one of the following:
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Click Next.
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On the Schedule Update screen, complete the following:
Update Type
| Option | Action |
|---|---|
| Recurring | Schedules periodic maintenance of all the RDS host servers in a farm.
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| Immediate | Schedules immediate maintenance of all the RDS host servers in a farm. Immediate maintenance creates a one-time maintenance schedule for immediate or near future maintenance. Use immediate maintenance to refresh the farm from a new image when you want to apply urgent security patches.
Select an immediate maintenance configuration.
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| Publish Secondary Image |
The image you used to create a pool is the default image. By default, all maintenance operations use this image to update all machines in the farm.
You can optionally publish a secondary image, which you can use to update a subset of the machines in the farm while leaving the rest unchanged.
After you have published the secondary image, options are enabled to apply either of the images to selected machines without using the Schedule Recurring Maintenance process.
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User Logoff Options
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Wait for users to log off
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Force users to log off
Grace Period Details
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Logoff Time - The default is 5 minutes.
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Logoff Message - Displays the default.
Note: Grace Period Details can be configured in Global Settings.
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Click Next.
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On the The Ready to Complete screen, review all selections and click Submit.
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