I tried to migrate my discourse instance to a new server, and restore via UI and CLI fail during restore operation. It has to do with S3 migration. I also had these settings enabled in rails console SiteSetting.migrate_to_new_scheme = true Jobs::MigrateUploadScheme.new.execute(nil) The relevant…

That’s a known problem. As a workaround, you could temporarily disable the enable_s3_uploads site setting before creating the backup. You can re-enable on the new server after the restore.

There is a similar report of you search. I think the solution was to turn off S3 uploads when you restore?

Thanks @pfaffman Let me try that. Do you know of any command line (rails console) way to disable s3 upload?

The Uploads to S3 was disabled during the restore. It still failed.

Thank you!. Yes, I disabled upload to S3 before taking the backup, and then the restore was successful.

Hi, What to do if a backup was made while it was enabled :slight_smile:

I solved; I open dump.sql with EmEditor program and search enable_s3_uploads, S3 and all “t” to “f” all “true” to “false”. Restore successful :slight_smile:

Well, then you’ll have to get your hands dirty. Sorry about that. I’m planning to start refactoring and improving backups and restores next week, but it can take a while until everything’s peachy again. [Bild] MuhYal: Restore successful :slight_smile: That’s great! I was going to suggest exa…

Wiederherstellung aus Sicherungskopie schlägt aufgrund von S3-Migration fehl

Unterstützung

pfaffman (Jay Pfaffman) 2. September 2019 um 14:15 2

Es gibt einen ähnlichen Bericht zu deiner Suche. Ich denke, die Lösung bestand darin, S3-Uploads beim Wiederherstellen zu deaktivieren?

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Restore process cancelled at migrating uploads to S3 step Support	49	2921	24. Januar 2026
Restore from a Backup Support	4	676	16. Juni 2020
Restore failed at "EXCEPTION: x of y uploads are not migrated to S3. S3 migration failed for db 'default'." Self-hosting	4	1110	10. Juni 2022
Intended path to migrate S3 to local Self-hosting uploads , s3	5	863	13. Mai 2023
Unable to migrate to S3, therefore unable to restore from backup Self-hosting	3	1224	8. April 2022

Wiederherstellung aus Sicherungskopie schlägt aufgrund von S3-Migration fehl

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