Full root issue

You can download the system logs and open the volume.log file with a text editor. Scroll down until you see something like this:

=== df -h ===
Filesystem      Size  Used Avail Use% Mounted on
udev             10M  4.0K   10M   1% /dev
/dev/md0        4.0G  560M  2.9G  17% /
tmpfs           1.9G     0  1.9G   0% /dev/shm
tmpfs           1.9G  2.8M  1.9G   1% /run
tmpfs           960M  7.5M  953M   1% /run/lock
tmpfs           1.9G     0  1.9G   0% /sys/fs/cgroup
/dev/md127       11T  4.6T  6.4T  42% /data
/dev/md127       11T  4.6T  6.4T  42% /home
/dev/md127       11T  4.6T  6.4T  42% /apps

/dev/md0 is the root file system. It should have plenty of free space (< 50% used, and I've never seen ours hit even 20%, but we don't run many apps either).

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lundmilo wrote:

 

How can I check the state of my root and how do I avoid running into the issue?

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Full root conditions are most of the times created by badly built applications or modifying the system via SSH. This is not something you need to be particularly worried about. People come here because they have issues, I doesn't mean that every ReadyNAS owners have the same issues.

You can use SSH non-intrusively to check the status as well as via the logs (look at md0): 

df -h