Backups folders exceptions

1

ive been making backups using rsync to a network location, excluding these directories:
/dev/
/lost+found/
/media/
/mnt/
/proc/
/run/
/sys/
/tmp/
/mnt2/backups/
/mnt2/blueiris/
/mnt2/datastore1/
/mnt2/media/
/mnt2/share/
/mnt2/stuff/
/mnt2/surveilance/
/export/share/
/export/media/
/.snapshots/

what is /mnt2/ROOT/? it seems to be a second mount point for / but not all the dirs? I can create a file in /home/user and it is also in /mnt2/ROOT/home/user.

rockstor:/ # ls
.snapshots bin boot config.bootoptions config.partids dev etc export home lib lib64 mnt mnt2 opt proc root run sbin srv sys tmp usr var
rockstor:/ # cd /mnt2/ROOT
rockstor:/mnt2/ROOT # ls
.snapshots boot dnsmasq home jellyfin opt pihole rockons root srv tmp usr var
rockstor:/mnt2/ROOT #

why is this? I am assuming I can exclude it from a backup as well.

2

it is a mount point containing the OS in general and then allows to add more shares via the WebUI to it (though usually not recommended to separate the concerns between the OS/Rockstor appliance and the data you’re managing)
From your ls command I see that you have some additional directories for pihole, dnsmasq and jellyfin. I assume, these are installations not using the Rockons but directly on the platform? If yes, then I would think you probably want to back those up to keep the configs available in case of a restore?

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