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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    PI 3 with 4 HDD works unpredictable , hectic. Please help if you can.

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    hdd 2+ kodi mounting proble pi3 scrape issues
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    • matchaman
      matchaman last edited by

      Whoah that's a lot of media! :/

      I suspect that even though they're powered by external PSUs, they're also drawing some power that the Pi can't handle. I would recommend using a small form factor PC with Linux (or Windows) instead of the Pi.

      zsirvezer 1 Reply Last reply Reply Quote 0
      • zsirvezer
        zsirvezer @matchaman last edited by

        @matchaman Hi thank you for your comment and yes I started thinking about it. But people builds a NAS upon on PI so that's why I thought it can't be a huge challenge for PI.
        I think the root of my second problem is that when raspberry starting in different order mounting my medias that's can find the library anymore the earlier scraped movies.

        mitu 1 Reply Last reply Reply Quote 0
        • mitu
          mitu Global Moderator @zsirvezer last edited by

          @zsirvezer said in PI 3 with 4 HDD works unpredictable , hectic. Please help if you can.:

          But people builds a NAS upon on PI so that's why I thought it can't be a huge challenge for PI.

          Using an USB2 interface for 4 multi TB disks is not going to get you a stable NAS system. If you need a NAS, then buy one.

          1 Reply Last reply Reply Quote 0
          • jonnykesh
            jonnykesh last edited by jonnykesh

            @zsirvezer Have you tried manually mounting the drives using fstab rather than relying on them auto-mounting?
            You might get better, more predictable results using fstab
            Edited to add link: https://www.raspberrypi.org/documentation/configuration/external-storage.md

            1 Reply Last reply Reply Quote 0
            • steptoe
              steptoe last edited by

              What about an external USB powered hub. I use one for the PC has that had big issues with USB3 device drawing too much power from the USB ports and constantly connecting/reconnecting the external USB3 hard drives, which gets annoying when your trying to use them. With a powered USB3 hub ALL connection issues went away

              You then NEED to get a hub that won't feed power back to the PI. There are 'official' hubs that are guaranteed to not do this but cost a bit more than the £2.99 20 port hubs from China

              https://thepihut.com/products/7-port-usb-hub-for-the-raspberry-pi

              This explains in a bit too much detail, but you then know exactly whats going on and why

              http://www.whatimade.today/how-to-protect-a-rasperry-pi-from-a-powered-usb-hub/

              You might also see if you can add a delay to give your hard drives chance to power up and also add them manually as it suggests the USB service just can't cope with that many USB devices and just hasn't the time to process them all before the PI starts booting

              https://www.raspberrypi.org/forums/viewtopic.php?t=41911

              Mounting a hard drive manually

              https://pimylifeup.com/raspberry-pi-mount-usb-drive/

              edmaul69 1 Reply Last reply Reply Quote 0
              • edmaul69
                edmaul69 @steptoe last edited by

                @steptoe i use a self powered 11 port usb 2.0 hub that also draws power from the pi with 11 devices hooked up and have no issues. True im only using one hard drive...

                jonnykesh 1 Reply Last reply Reply Quote 0
                • jonnykesh
                  jonnykesh @edmaul69 last edited by

                  @edmaul69 I'm still going with fstab for mounting the 22TB of data on the 4 drives. I think that would actually work.

                  edmaul69 1 Reply Last reply Reply Quote 0
                  • edmaul69
                    edmaul69 @jonnykesh last edited by

                    @jonnykesh i agree. I hate how long it takes to boot up 750gb let alone that much which is insane. The pi cant keep up. And if the pi boots too fast then you may have to reboot emulationstation after all the drives have fully booted

                    1 Reply Last reply Reply Quote 0
                    • steptoe
                      steptoe last edited by steptoe

                      This link might explain what you are suffering from, in that the PI just isn't giving the external hard drives chance to spin up so doesn't 'see' them. Its basically booting that fast the drives are still spinning up and its finished booting and simply doesn't realise you have more than one drive connected

                      https://kwilson.io/blog/force-your-raspberry-pi-to-mount-an-external-usb-drive-every-time-it-starts-up/

                      Quick copy and paste of some of what the guide is about :

                      The Issue
                      ------------
                      Sometimes, when I boot up the Pi, it doesn’t mount the external drive. So, media is unavailable

                      The Solution
                      -----------------
                      We need to get the drive to automatically mount when the Pi starts up

                      zsirvezer 1 Reply Last reply Reply Quote 0
                      • zsirvezer
                        zsirvezer @steptoe last edited by

                        @steptoe Thank you Sir for your valuable help.

                        1 Reply Last reply Reply Quote 0
                        • steptoe
                          steptoe last edited by

                          Hope it helps. 22TB is a big media player. Not bad for a 'computer' that cost less than £35 and fits in your hand

                          Not 'straight out the box' but that also means you can configure exactly how you like

                          Clyde 1 Reply Last reply Reply Quote 0
                          • Clyde
                            Clyde @steptoe last edited by

                            @steptoe If the problem is that the Pi boots up quicker than the HDDs, you also could delay the booting process:

                            https://raspberrypi.stackexchange.com/questions/33037/how-to-add-delay-at-boot

                            1 Reply Last reply Reply Quote 0
                            • zsirvezer
                              zsirvezer @zsirvezer last edited by

                              @zsirvezer I gave up the convince raspberry pie works as NAS , so I am using Win7 based solution for sharing my media files.
                              Thank to y'all the helps.

                              Clyde cyperghost 2 Replies Last reply Reply Quote 1
                              • Clyde
                                Clyde @zsirvezer last edited by

                                @zsirvezer Whatever suits your needs is fine. Have fun.

                                1 Reply Last reply Reply Quote 0
                                • cyperghost
                                  cyperghost @zsirvezer last edited by

                                  @zsirvezer haha ... 4 month later ;)
                                  It depends what you want to do. My Raspberry 1 still acts as internal ftp, samba and owncloud server. It is slow as hell but does it job for a fist full of users. NAS means always big data so USB3 and MBit LAN are just the minimum on communication interfaces. The Pie gots nothing of these

                                  Clyde 1 Reply Last reply Reply Quote 0
                                  • Clyde
                                    Clyde @cyperghost last edited by

                                    @cyperghost said in PI 3 with 4 HDD works unpredictable , hectic. Please help if you can.:

                                    NAS means always big data so USB3 and MBit LAN are just the minimum on communication interfaces. The Pie gots nothing of these

                                    As always, it depends on your requirements. My Synology NAS from 2011 has neither USB3 nor MBit LAN, but it fulfills my needs completely up to this day. Only for backing up the NAS' drives itself I remove them and plug them into the mobile racks of my PC.

                                    cyperghost 1 Reply Last reply Reply Quote 0
                                    • cyperghost
                                      cyperghost @Clyde last edited by

                                      @clyde okay right but a full grown standalone USB2 transfers up to 40 MB/s that is 4 times faster as your LAN.

                                      How fast is a Raspberry with his shared USB Controller? 10MB/s? 15? Didn't test but a NAS is dedicated for file moving and if the Pie 4 got some interface upgrades it is maybe as fast as your 2011 Synology (cool device BTW with the best UI I have ever seen)

                                      1 Reply Last reply Reply Quote 0
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