Am 07.10.20 um 22:22 schrieb druck:

> For me it things went wrong when backing a Raspberry Pi with rsync to a
> SD card image file on another machine, where the id's for users and
> system processes were different.

Thank you for explanation but my use-case seems to be little different.
Its for backup/recovery only. No need for file sharing between clients,
all local only. The NAS is the central backup storage. No RPi user has
an account on the NAS. I think there is no need for and its better to
have less accounts as possible.

The RPis are data collectors or controllers. I have a backup-image from
every fresh setup and an RPi on cushion.

1. If an RPi or its SD Card dies, I restore from backup image and then
restore latest data and setting from NAS.

2. If distro and/or hardware update is requiered, I do a fresh
installation and a data restore from NAS.

3. No RPi user has access to the NAS but the special backup user.

4. My backup strategie is:
      Backup fresh SD Card as image -> NAS -> external USB Drive.
      Latest data -> NAS -> external USB Drive.

--
cu
hawe

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