diff --git a/source/installguide/configuration.rst b/source/installguide/configuration.rst index 5d1a3e878e..4aa0c30b2b 100644 --- a/source/installguide/configuration.rst +++ b/source/installguide/configuration.rst @@ -1705,6 +1705,26 @@ add more servers to an existing zone. - Path. The path to the zone's Secondary Staging Store. +When a new Secondary Storage is added, the Management Server attempts to make +existing templates available on the new Secondary Storage. + +CloudStack improves template availability using the configuration: + ++----------------------------------------------+-------------------------------------------------------------------------------------------------------------+-----------+ +| Name | Description | Default | ++==============================================+=============================================================================================================+===========+ +| copy.templates.from.other.secondary.storages | Allow templates to be copied from existing Secondary Storage servers (within the same zone or across zones) | true | +| | when adding a new Secondary Storage, instead of downloading them from the source URL. | | ++----------------------------------------------+-------------------------------------------------------------------------------------------------------------+-----------+ + +This setting is enabled by default and can be configured globally or at zone level. + +CloudStack applies the following order of steps while trying to make a template available in the new secondary storage: + +1. Attempt to copy the template from another Secondary Storage in the same zone. +2. If not found, attempt to copy the template from a Secondary Storage in a different zone. +3. If the copy operation fails, CloudStack falls back to downloading the template using its URL when it is registered. + Adding an NFS Secondary Staging Store for Each Zone ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~