Cannot log into console becase system disk is 100% full

Hi All

I cannot log into the conslole GUI. My intial thought was browser cahce issue so ai cleared caceh and tried 3 browsers. All cannot log in. Next I did dh -H and noted that one of the partitions (/dev/sdb2) on the 'system' drive (eMMC) is full. I've seen this happen before; when the partition if full you cannot log into teh console. Any deias on how to clean up /dev/sdb2 in order to free up space ? Or at least how to list teh files in /dev/sdb2 so that I can take a look and delete anythinying erroneus......

Output of df -H pasted below:

root@omvnuc-162:~# df -H

Filesystem Size Used Avail Use% Mounted on

udev 4.1G 0 4.1G 0% /dev

tmpfs 812M 98M 715M 12% /run

/dev/sdb2 234G 234G 0 100% /

tmpfs 4.1G 0 4.1G 0% /dev/shm

tmpfs 5.3M 0 5.3M 0% /run/lock

tmpfs 4.1G 0 4.1G 0% /tmp

/dev/sdb1 536M 6.1M 530M 2% /boot/efi

/dev/sda1 17T 12T 4.8T 71% /srv/dev-disk-by-uuid-2291d5dc-b163-4898-a7e4-9b3511a0f1a9

folder2ram 4.1G 0 4.1G 0% /var/tmp

folder2ram 4.1G 652k 4.1G 1% /var/lib/openmediavault/rrd

folder2ram 4.1G 1.2M 4.1G 1% /var/spool

folder2ram 4.1G 14M 4.1G 1% /var/lib/rrdcached

folder2ram 4.1G 4.1k 4.1G 1% /var/lib/monit

folder2ram 4.1G 29k 4.1G 1% /var/cache/samba

tmpfs 812M 0 812M 0% /run/user/0

Many thanks

Sean

Zitat von chente

Thema

[How-To] Fix full OS filesystem - GUI login loop

Symptoms

When you try to login to the GUI of OMV you are not being logged in, but the login page shows up again

Check, if a full root filesystem is the problem
ssh into your server (check the new user guide on how to ssh into your server) and run following command
df df will show you the usage of each filesystem
the output of df will look like this:
(Quelltext, 19 Zeilen)

The filesystem dev/sda1 which is mounted on "/" is the OS filesystem. The use of that filesystem is 100% --> the OS filesystem is…

macom

23. Juli 2020

Many thanks for that link chente. I followed the link instructions and identified the /var folder as the culprit (i.e. very large, 215Gb). I listed the folders in /Var and I see a folder called 'folder2ram', Should this folder be here ? Inside the 'folder2ram' folder I see what appear to be duplicates of a number of the other folders in the /var

The largest folder in /var is the /log folder. This is 213 Gb, so clearly this is the culprit !! I will use my SSH tool (Bitvise) to go in and delete a few large logs and see what happens.

Zitat von chente

I assume that folder is generated by the openmediavault-flashmemory plugin. This shouldn't be a problem. What is the size of that folder?

The /folder2ram folder is very small (13M), so I left it alone. The big one is the /log folder and this is the one thats filled up the disk. It was 215G !. I deleted a few of the very large logs and now I can log into the GUI OK. The /log folder is now down to 85G there are a lot of files and folders in /log but I'm not sure which if any I shoudl delete . In the longer term though I need to understand why/what is filling up the /log folder like this. The really laerge log file is 'syslog'. Its around 85G and too large to use an editor to see whats in it, so I deleted it. Later when the new log is re-created I will use the editor to take a look at whats filling it