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    SOLVED Minio backup fails for no reason

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    • T
      thibaud last edited by

      @girish

      You can check this from the graphs maybe as to how much the app consumes? It's under System view.

      Yes. As expected its huge as it is a Nextcloud. The entire app consumes 36 GB.

      Yes, new in 5.4 and 5.5

      And I think my problem appeared after 5.4 update. So basically I guess I need to increase memory limit? Up to... how much?

      robi girish 2 Replies Last reply Reply Quote 0
      • robi
        robi @thibaud last edited by

        @thibaud until it works 😕

        1 Reply Last reply Reply Quote 0
        • girish
          girish Staff @thibaud last edited by

          @thibaud Yes, I would start with say 1GB or so and see if it works. Note that this memory is just the "max" and also only for the duration of the backup itself.

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            thibaud last edited by

            Thank you all.

            @girish I increased the parameters step by step and tried to backup for each (until the max i.e. 16 go). I still have the same error message. Any help?

            girish 1 Reply Last reply Reply Quote 0
            • girish
              girish Staff @thibaud last edited by

              @thibaud Are you able to mail the entire backup log to support@cloudron.io ? Let's see if it's something obvious from the logs.

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              • T
                thibaud @girish last edited by

                @girish Done!

                girish 1 Reply Last reply Reply Quote 0
                • girish
                  girish Staff @thibaud last edited by girish

                  @thibaud Thanks. It seems multi-part copies are failing altogether. As in, even the first part is failing. I thought it was failing much later.

                  Retrying (1) multipart copy of crsav_/snapshot/app_f0770611-2970-4e86-9047-0260e0297b79.tar.gz.enc. Error: XMLParserError: Unexpected close tag\nLine: 5\nColumn: 7\nChar: > 405 (
                  

                  Let me quickly test this and see if it's easy to reproduce.

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                  • girish
                    girish Staff last edited by

                    @thibaud Mmm, I cannot reproduce this. I tried to backup and it succeeded over ~40 parts (https://paste.cloudron.io/ihulamulow.apache). So, to take a step back, it failed in "rename" . Is there something special about the filesystem where minio is located? Is it ext4? What is the underlying filesytem of Cloudron itself?

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                    • T
                      thibaud @girish last edited by

                      @girish

                      My Minio is self-hosted in a Docker on a Synology NAS which underlying filesystem is proprietary (btfrs). I already checked if there are any known issue reported with Minio. I will double check.

                      My Cloudron is hosted on Ubuntu / ext4.

                      imc67 1 Reply Last reply Reply Quote 0
                      • imc67
                        imc67 @thibaud last edited by

                        @thibaud said in Minio backup fails for no reason:

                        Minio is self-hosted in a Docker on a Synology NAS which underlying filesystem is proprietary (btfrs)

                        I have exactly the same situation on two Cloudrons to Minio's on two NAS's, only difference is that my backups are rsync and not tar. I experience no single issue and with Watchtower in Docker Minio is automatically updated to the latest version within 24 hours.

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                        • T
                          thibaud @imc67 last edited by

                          @imc67 said in Minio backup fails for no reason:

                          my backups are rsync and not tar

                          Thanks for the tip. I switched to rsync and I was full of hope. Unfortunately it also fails.

                          @girish I send you Minio full log by mail.

                          girish 1 Reply Last reply Reply Quote 0
                          • girish
                            girish Staff @thibaud last edited by

                            @thibaud I replied to you on support@ but the issue is that there is some long file name. The current rsync+encryption backup has some file name length limitation - https://docs.cloudron.io/backups/#encryption . There is a feature request at https://forum.cloudron.io/topic/3057/consider-improvements-to-the-backup-experience-to-support-long-filenames-directory-names .

                            Run the following command in /home/yellowtent/appsdata to find the large filenames:

                            find . -type f -printf "%f\n" | awk '{ print length(), $0 | "sort -rn" }' | less
                            
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