We do support in English, here is my understanding of your meaning, courtesy of Google Translate:
Confluence connection itself is impossible during backup to move from server type to cloud type I have tried restarting confluence and restarting the server, but they are still in the same state. I want to know if I can back up data separately.
We don't have any migration paths to Cloud except through site XML backups. I am wondering if you mean that Confluence is inaccessible during the XML site backup. If that is the case, a lack of resources, especially heap memory can cause Confluence to bog down during XML exports. You might try raising the heap memory allocated to Java temporarily during the export if the site backups are not completing. Here is the guide:How to fix out of memory errors by increasing available memory
If I am misunderstanding your case, please feel free to set me straight.
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