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Allow copy of templates from secondary storages of same or other zone when adding a new secondary storage #611

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Merged
harikrishna-patnala merged 6 commits into from
Jan 28, 2026
Merged

Allow copy of templates from secondary storages of same or other zone when adding a new secondary storage #611

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Improvements added in making the existing templates available on newl…
harikrishna-patnala Dec 18, 2025
adc272a
Added parameter details
harikrishna-patnala Dec 29, 2025
c4e9ba6
corrections
harikrishna-patnala Dec 29, 2025
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more corrections
harikrishna-patnala Dec 29, 2025
07514df
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harikrishna-patnala Jan 5, 2026
d0880cf
Fix table format
harikrishna-patnala Jan 28, 2026
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20 changes: 20 additions & 0 deletions source/installguide/configuration.rst
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Expand Up @@ -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.
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CloudStack improves template availability using the configuration:
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+----------------------------------------------+-------------------------------------------------------------------------------------------------------------+-----------+
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@rajujith rajujith Jan 28, 2026

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@harikrishna-patnala the table is not visible in the html.

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@harikrishna-patnala harikrishna-patnala Jan 28, 2026

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thanks @rajujith fixed it

image

| 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 |
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| | 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.
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CloudStack applies the following order of steps while trying to make a template available in the new secondary storage:
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1. Attempt to copy the template from another Secondary Storage in the same zone.
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2. If not found, attempt to copy the template from a Secondary Storage in a different zone.
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3. If the copy operation fails, CloudStack falls back to downloading the template using its URL when it is registered.
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Adding an NFS Secondary Staging Store for Each Zone
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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