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Maintenance runs are operations that are performed on your application that may require a brief downtime. These operations are performed during maintenance windows that you can define.

Maintenance window

Maintenance operations

Most operations on Divio applications can be considered routine and will not, under normal circumstances, interrupt the function of web applications.

Some, however, are more complex by nature and can require brief downtime. The most notable example is deployments that require a change of deployment cloud space, such as cloudshift operations (below). These are regarded as Maintenance operations.

Maintenance windows

Maintenance operations will only take place during designated weekly maintenance windows to control when downtime occurs.

By default, a site's maintenance window is set to hours UTC 01:00-05:00 each Monday, but we understand that your business needs may vary. That's why we've designed our system to allow you to change the maintenance window to a time that suits you best. Additionally, you have the power to trigger a queued maintenance action manually using the Start now option, running it immediately, even outside the window.

Cloudshift cloudspace migration

Moving your application from one cloudspace to another requires a cloudshift migration operation. There is no downtime but it may require amending external services such as DNS records which can cause the website to be unreachable until the changes take effect.

The cloudspace migration operation will be performed during a maintenance window.

In the case of DNS changes, we advise reducing DNS TTLs well in advance of the migration so that disruption is minimised when DNS entries are changed.

Note that a cloudshift operation deploys any outstanding commits on the application's environments, even if they were not previously deployed.