OpenWrt and Android devices

Hi,
I am a newbie with Android and I have to learn a lot as it become more and more popular.
My home network has a Syslink WRT32X router with OpenWRT and a USB HDD connected. My boxes are all Opensuse 15.x and I use NFS to access the HDD.
Question:
What are the protocols I can use to access (r/w) the HDD from my Android 10/11, non rooted and rooted?

I have read that SAMBA is working but I am not too keen of it (all linux boxes). If you have experience, Is there other possibilities?
Thanks

There is an app called Syncthing-Fork. If your data set is not too large it's a fast and convenient way to remotely access and exchange contents between multiple devices. There is also a yt video that shows how to set it up. https://www.youtube.com/watch?v=rYHQzqSjKWQ
Syncthing is cross platform, so runs on nearly all processor platforms (arm, amd, ...) so Windows, Linux, Android, Mac as well.

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ksmbd and luci-app-ksmb is a replacement of samba server for openwrt... fastest and simplest to configure !

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On the android device, the app Total Commander has a SMB filesystem option that works really well...

Thank you all for the info.

In Openwrt, there are 5 packages for SMB; I think I have to install 3 of them, luci-app-ksmbd, ksmbd-avahi-service, ksmbd-server, but what about ksmbd-utils and kmod-fs-ksmbd ?
With that, I'll try Total Commander in Android side.

  • What is a "not too large" data set? My HDD is 12TB almost full.
    Could you confirm that the app will stay sync in background even if I don't use it or don't access the remote data. This will wake up the remote HDD at regular time.
    Is there a way to sync only when I want to access the remote storage?

It can stay working in the background, sync on schedule, when powered by ac and a lot of more options to combine including tasker triggered syncing. The HDD will wake up less when the scan interval and/or sync run conditions are configured accordingly. A higher scan interval won't wake disks so much. Syncthing uses a database , it grows when syncing a larger fileset. I wouldn't recommend syncing more than 80gb with your phone. The more you sync , the more ram gets used.

I use the Solid File Explorer Android app using the SMB protocol. https://play.google.com/store/apps/details?id=pl.solidexplorer2

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File Manager+ (https://play.google.com/store/apps/details?id=com.alphainventor.filemanager&hl=en_US&gl=US) also works great on Android, the GUI is a bit more modern-ish than Total Commander and it works fine with SMB 3.1.1 using non AD authentication. Ads aren't really intrusive, I haven't seen any mentions of any adware/malware or anything shady yet.

Syncthing (and Syncthing Fork) lets you specify folders to sync in their entirety to selected devices. You do not get to pick and choose. So unless you have a 12TB phone that will not work. It will start syncing and continue until you are out of space (almost).

I use Fork to keep everything on my phone duplicated on my computer. Photos, backups, etc. A small number of files the other way around. Using it for media is a PITA.

By the way I haven't tried it yet but I saw this cool looking github repo Myflix (instructions) which is basically the most minimal possible web interface slapped on a collection of videos to make it slightly more usable than straight up plain files. Depending how comfortable with editing scripts, you are it might be a nice touch.

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After reading, ksmbd looks to be the best way to access a shared NAS.
Unfortunartely, I didn't get any answer to my questions in the Ksmbd (Samba3/4 alternative, ex cifsd/smbd) package support thread.
Any help welcome.

I keep it a side for later to use it as backup. Thanks