[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: [圖片] 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…

[圖片] 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? [圖片] 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年五月18日 02:00 11

你试过降级 aws-sdk-s3 吗：

話題		回覆	觀看
Restore failed at "EXCEPTION: x of y uploads are not migrated to S3. S3 migration failed for db 'default'." Self-hosting	4	1199	2022年六月10日
Restore fails due to s3 migration failure Support	2	141	2026年八月12日
Restore to New Host Support	13	784	2026年一月15日
Restore process cancelled at migrating uploads to S3 step Support	48	3706	2026年一月24日
Intended path to migrate S3 to local Self-hosting uploads , s3	5	955	2023年五月13日

迁移Discourse恢复数据失败

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