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XenCenter 2023.x.x is currently in preview and is not supported for production use. Note that any future references to production support apply only when XenCenter 2023.x.x and XenServer 8 go from preview status to general availability.
You can use XenCenter 2023.x.x to manage your XenServer 8 and Citrix Hypervisor 8.2 CU1 non-production environments. However, to manage your Citrix Hypervisor 8.2 CU1 production environment, use XenCenter 8.2.7. For more information, see the XenCenter 8.2.7 documentation.
You can install XenCenter 8.2.7 and XenCenter 2023.x.x on the same system. Installing XenCenter 2023.x.x does not overwrite your XenCenter 8.2.7 installation.
Failback restores VMs and vApps from replicated storage back to a pool on your primary site. Failback occurs when the primary site comes back up after a disaster event. To fail back VMs and vApps to your primary site, use the Disaster Recovery wizard.
The Disaster Recovery wizard does not control any storage array functionality. Disable duplication (mirroring) of the metadata storage and the storage used by the VMs which are to be restored before you attempt failback to your primary site.
To fail back VMs and vApps to your primary site:
In XenCenter, select the target pool on your primary site, and on the Pool menu, click Disaster Recovery to open the Disaster Recovery wizard.
Select Failback and then click Next.
If you use Fibre Channel shared storage with LUN mirroring to replicate the data on the DR site, break mirroring before you attempt to recover data. This action gives the primary site Read/Write access.
- Select the storage repositories (SRs) containing the pool metadata for the VMs and vApps that you want to restore back to your primary site. By default, the list on this wizard page shows all SRs that are currently attached within the pool. To scan for more SRs, choose Find Storage Repositories and then select the storage type to scan for:
- To scan for all the available Hardware HBA SRs, select Find Hardware HBA SRs.
- To scan for software iSCSI SRs, select Find Software iSCSI SRs and then enter the target host, IQN, and LUN details in the dialog box.
When you have selected the required SRs in the wizard, click Next to continue.
Choose the VMs and vApps that you want to restore. Use the Power state after recovery option to specify whether to start the restored VMs and vApps automatically. Alternatively, you can wait and start the VMs and vApps manually after failback is complete.
Click Next to progress to the next wizard page and begin failback prechecks.
The wizard performs pre-checks before starting failback. For example, the wizard ensures all the storage required by the selected VMs and vApps is available. If any storage is missing at this point, you can click Attach SR on this page to find and attach the relevant SR.
Resolve any issues on the prechecks page, and then click Failback to begin the recovery process.
A progress page is displayed showing whether restoration was successful for each VM and vApp. Failback can take some time depending on the number of VMs and vApps you are restoring.
When the failback is complete, click Next to see the summary report.
- Click Finish on the summary report page to close the wizard.
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The development, release and timing of any features or functionality described in the Preview documentation remains at our sole discretion and are subject to change without notice or consultation.
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