[2026-05-11 02:05:14] Reconnecting to the database... [2026-05-11 02:05:14] Reloading site settings... [2026-05-11 02:05:14] Disabling outgoing emails for non-staff users... [2026-05-11 02:05:14] Running seed fu... [2026-05-11 02:05:31] Disabling readonly mode... [2026-05-11 02:05:31] Clearing categ…

Did you try to downgrade aws-sdk-s3: [图片] Can't rebuild due to AWS SDK gem bump and new AWS Data Integrity Protections Self-hosting But I did for a site that’s using Backblaze. I created a template I put in /root/aws-revert-template.yml with this: # This templ…

[图片] iouvps: [2026-05-11 02:05:33] EXCEPTION: You can only specify one non-default checksum at a time. i think there may be a problem with the s3 compatibility? is the instance you are restoring to up-to-date with Discourse latest version? [图片] iouvps: /var/www/discourse/lib/file_store/…

@Lilly 由于服务器到期，需要迁移到新的服务器，我先备份了discourse数据把app.yml同步到新服务器，然后在新服务器 ./launcher rebuild app 然后把备份数据上传到新服务器的/var/discourse/shared/standalone/backups/default 使用命令 ./launcher enter app discourse enable_restore discourse restore xxxxxxxxxxxxxxxxxxxxx.tar.gz 恢复失败，我重建新的discourse后从后台进行恢复还是失败，附件是恢复日志 l…

Tell us about your environment, for example which object store are you using?

Ubuntu 24.04.4 LTS (x86_64) Cloudflare R2

@supermathie 使用Cloudflare R2是不是不兼容啊

Yes, there seems to be an incompatibility with R2. Untested, but you could try this: Environment variables are set in your container’s app.yml under the env block — the same place you already have things like DISCOURSE_S3_ACCESS_KEY_ID. Just add the two vars there: env: LANG: en_US.UTF-8 # ..…

@gerhard 我尝试这个方法还是不行现在的问题是我的就服务器已经停机了，我只有备份的数据和app.yml了

These values are noted in our guide . Can you post the redacted ENV block here so we can see if something else is wrong?

现在想办法把数据恢复了，但是rake uploads:migrate_to_s3一直错误

迁移Discourse恢复数据失败

Support Self-hosting

xlg256 (Leo) 2026 年5 月 18 日 02:00 11

你试过降级 aws-sdk-s3 吗：

话题		回复	浏览量
Restore failed at "EXCEPTION: x of y uploads are not migrated to S3. S3 migration failed for db 'default'." Self-hosting	4	1152	2022 年6 月 10 日
Restore fails due to s3 migration failure Support	2	97	2026 年8 月 12 日
Restore to New Host Support	13	714	2026 年1 月 15 日
Restore process cancelled at migrating uploads to S3 step Support	48	3484	2026 年1 月 24 日
Intended path to migrate S3 to local Self-hosting uploads , s3	5	911	2023 年5 月 13 日

迁移Discourse恢复数据失败

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