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Raspberry Pi4 - Disk Space - is filled by "docker/overlay2"

Greetings,

I have the following issue where disk space is massively filled by the following, overnight

pi@raspberrypi:~ $ sudo su -
root@raspberrypi:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       118G  109G  3.8G  97% /
devtmpfs        3.8G     0  3.8G   0% /dev
tmpfs           3.9G     0  3.9G   0% /dev/shm
tmpfs           3.9G   18M  3.9G   1% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/mmcblk0p1  253M   48M  205M  19% /boot
tmpfs           788M  4.0K  788M   1% /run/user/1000
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/c2903f7ec83ac25c7258b6374c21b0bf3f1748286d386498862806fd6726975c/merged
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/53af5fc69f1fc4897ea594f773521f9e4667192bed20b761cf4a3e10b90c93f5/merged
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/942b3da4db9f6455b72555abf21208667f2ac2f6646e83c0d6f29442d9a83d91/merged
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/0e2ec387d740ca7d439d3cd2a01bd24086d0de43f4e615961a38cc57852e02cb/merged
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/4f70e3f5c9fb0fef8873a437c6cbcd67323302982d9f7f525e5a6d3819371967/merged
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/82af1d63efa026f220c016cb0d183760d56b1928facf49335f4b1d258ce59a54/merged
overlay         118G  109G  3.8G  97% /var/lib/docker/overlay2/b7908e620e1b21b6c68d9d6a26dfb3df3bb0bc832a6bb5ca17b3489dbd899381/merged

###########################################################################

Then I did:

root@raspberrypi:~# du -s -h /*
0       /bin
48M     /boot
0       /dev
7.4M    /etc
616M    /home
0       /lib
16K     /lost+found
4.0K    /media
4.0K    /mnt
45M     /opt
du: cannot access '/proc/4561/task/4577/fd/6': No such file or directory
du: cannot access '/proc/17319/task/17319/fd/4': No such file or directory
du: cannot access '/proc/17319/task/17319/fdinfo/4': No such file or directory
du: cannot access '/proc/17319/fd/3': No such file or directory
du: cannot access '/proc/17319/fdinfo/3': No such file or directory
0       /proc
3.7M    /root
du: cannot access '/run/user/1000/gvfs': Permission denied
18M     /run
0       /sbin
4.0K    /srv
0       /sys
80K     /tmp
4.4G    /usr
112G    /var

###########################################################################

And for more details, here:

root@raspberrypi:~# du /var -h --max-depth=2
2.0M    /var/backups
4.0K    /var/log/private
8.0K    /var/log/hp
28K     /var/log/lightdm
4.0K    /var/log/firebird
324K    /var/log/apt
12K     /var/log/cups
8.2M    /var/log
4.0K    /var/local
12K     /var/lib/sgml-base
16K     /var/lib/dhcpcd5
62M     /var/lib/dpkg
4.0K    /var/lib/private
84K     /var/lib/PackageKit
60K     /var/lib/ucf
4.0K    /var/lib/git
4.0K    /var/lib/hp
4.0K    /var/lib/snmp
4.0K    /var/lib/ntp
8.0K    /var/lib/alsa
4.0K    /var/lib/man-db
8.0K    /var/lib/xkb
8.0K    /var/lib/sudo
112G    /var/lib/docker
8.0K    /var/lib/vim
28K     /var/lib/pam
36K     /var/lib/ghostscript
16K     /var/lib/libreoffice
4.1M    /var/lib/aspell
56K     /var/lib/colord
12K     /var/lib/raspberrypi
604K    /var/lib/usbutils
44K     /var/lib/polkit-1
36K     /var/lib/lightdm
4.0K    /var/lib/udisks2
4.0K    /var/lib/dbus
4.0K    /var/lib/openbox
8.0K    /var/lib/ispell
416K    /var/lib/systemd
400K    /var/lib/containerd
8.0K    /var/lib/plymouth
4.0K    /var/lib/python
8.0K    /var/lib/logrotate
16K     /var/lib/xml-core
4.0K    /var/lib/dhcp
69M     /var/lib/apt
12K     /var/lib/nfs
8.0K    /var/lib/bluetooth
4.0K    /var/lib/initramfs-tools
4.0K    /var/lib/misc
24K     /var/lib/emacsen-common
32K     /var/lib/dictionaries-common
4.0K    /var/lib/usb_modeswitch
8.0K    /var/lib/xfonts
112G    /var/lib
4.0K    /var/cache/private
8.0K    /var/cache/PackageKit
60K     /var/cache/ldconfig
8.0K    /var/cache/unbound
4.0K    /var/cache/lightdm
4.0K    /var/cache/apparmor
1.6M    /var/cache/fontconfig
1.7M    /var/cache/man
845M    /var/cache/apt
40K     /var/cache/dictionaries-common
20K     /var/cache/cups
4.3M    /var/cache/debconf
853M    /var/cache
4.0K    /var/spool/rsyslog
12K     /var/spool/libreoffice
8.0K    /var/spool/cron
8.0K    /var/spool/cups
36K     /var/spool
4.0K    /var/opt
8.0K    /var/tmp/systemd-private-54ee8b5e26d348688df4e452aecdc46d-systemd-timesyncd.service-SM7ws7
8.0K    /var/tmp/systemd-private-54ee8b5e26d348688df4e452aecdc46d-rtkit-daemon.service-m42Slm
20K     /var/tmp
4.0K    /var/mail
113G    /var

###########################################################################

and in more details again:

root@raspberrypi:~# du /var/lib/docker -h --max-depth=2
4.0K    /var/lib/docker/swarm
4.0K    /var/lib/docker/runtimes
28K     /var/lib/docker/volumes
80K     /var/lib/docker/network/files
84K     /var/lib/docker/network
4.0K    /var/lib/docker/trust
8.0K    /var/lib/docker/plugins/storage
4.0K    /var/lib/docker/plugins/tmp
16K     /var/lib/docker/plugins
48K     /var/lib/docker/overlay2/45f67d6ebd42a580374bc5caaedb16efb08830ecb94df60eeee0be40d0e4aa07
12M     /var/lib/docker/overlay2/d0beadfcab4943cfcf1fbbff0cf7073a671400eff6435ea5be1f39f77084b400
36K     /var/lib/docker/overlay2/6e0aa7879b52743465be13d5c6f98426ae57145f124fcce4a79a432a3b276467
40K     /var/lib/docker/overlay2/942b3da4db9f6455b72555abf21208667f2ac2f6646e83c0d6f29442d9a83d91-init
40K     /var/lib/docker/overlay2/c2903f7ec83ac25c7258b6374c21b0bf3f1748286d386498862806fd6726975c-init
48K     /var/lib/docker/overlay2/b7908e620e1b21b6c68d9d6a26dfb3df3bb0bc832a6bb5ca17b3489dbd899381-init
28K     /var/lib/docker/overlay2/e8e5e47749799a44b74d27ea441b7b22d88aa96aa5f823f9f6d9b7c119d58c93
28K     /var/lib/docker/overlay2/fc0972bf546ed8ac6e29eb41ddda95a4eed67489e777dc0f275d23b0ca5d3134
44K     /var/lib/docker/overlay2/11bf7eeeffb85fb9d17ac9d8d587b31a11ade8589836c1b40fabe7acdfd74cb1
28M     /var/lib/docker/overlay2/10a52cfd17fbbb91db24650fa5625a6f4a809fce492fccc59e2b90bb86b7f9bb
44K     /var/lib/docker/overlay2/35c5314dd1fdcfe0ce3586a426a9e289b4cd4d6bcf3ec310d6508578cfea3e54
12M     /var/lib/docker/overlay2/1f2024fb35768d3f19dd831ba298e506d4d2ef246f57862892796ba0b43c097c
3.3M    /var/lib/docker/overlay2/e25eb9ed207ddbe1391ac07c195e99a3ef0d39bb5d2bccb73411103f04b77046
5.2M    /var/lib/docker/overlay2/dde930fec6a74f6831c25b647a7fb9ea2d5d1a1a7ee0bce473d015db9c9e4a09
236K    /var/lib/docker/overlay2/76a03b427960d0297fa60185e43fddfd297cb3ba823395ff2194323600978736
60K     /var/lib/docker/overlay2/5571d10cbd3d66bdea6a3b2f20b67fa8ca3c47a73ac7ab1f832a6c2002fc956b
43M     /var/lib/docker/overlay2/f573292771472648e612467501d0965850426c7285220ad34056fd1b6444652a
48K     /var/lib/docker/overlay2/4f70e3f5c9fb0fef8873a437c6cbcd67323302982d9f7f525e5a6d3819371967-init
236K    /var/lib/docker/overlay2/9692f5916061a2189dd2364ebe6ff04f1b5d941b0fc04114b2bacde25282435e
41M     /var/lib/docker/overlay2/e27f9a806607f36dfd1e1d9868fc104327171719a7ba54639a822887259b7f45
44K     /var/lib/docker/overlay2/e4ab723f07dec5dc2c397ba9263efb704b3b239fcaa5b228b0cd6cb4edbdf854
36K     /var/lib/docker/overlay2/2bbfedd3952f078afd58bee0db264b12da018296d9eaef48f54f61dcdae2e517
81M     /var/lib/docker/overlay2/a2df19b43f9bdc02f4b09fc4b1205dde95a9a837e3b16305db12dc75e115462c
422M    /var/lib/docker/overlay2/942b3da4db9f6455b72555abf21208667f2ac2f6646e83c0d6f29442d9a83d91
6.6M    /var/lib/docker/overlay2/2b22ef6947a2879f350d2717ba01759a76fcbd8cd5c84c903300268e88a744ce
4.3M    /var/lib/docker/overlay2/6d997887810c2d29a762ad1ba2f9cfd86f0672b661c24749eb4045aada80d376
57M     /var/lib/docker/overlay2/1073f4c69a67489c9b665083502d1f6413d6c7c6f082fcd30ef0575cdb96ec8d
40K     /var/lib/docker/overlay2/38e3762d17d8e0f6806c1ae7561ae20153c281135f9e08e9209f22113ac637c2
48K     /var/lib/docker/overlay2/53af5fc69f1fc4897ea594f773521f9e4667192bed20b761cf4a3e10b90c93f5-init
52K     /var/lib/docker/overlay2/f26c255783c6527d3d1da20de38c9f742bdb67998d0d81fa8e268099d21dd99a
106M    /var/lib/docker/overlay2/53af5fc69f1fc4897ea594f773521f9e4667192bed20b761cf4a3e10b90c93f5
51M     /var/lib/docker/overlay2/0e2ec387d740ca7d439d3cd2a01bd24086d0de43f4e615961a38cc57852e02cb
9.8M    /var/lib/docker/overlay2/5f352474ac62e4bbff5de01d606e6a58812649eb1f36b9019330ae83f828783f
40K     /var/lib/docker/overlay2/a37d936835fa5e450b9659156098c44c31c967d64316a9c08052e490172893b3
36K     /var/lib/docker/overlay2/369c8fad54631affbaed3ed18133bc939e70190209890029132ee9d0925b2f80
60K     /var/lib/docker/overlay2/5b197912784e2cdf06d3cbdac4613f039dae14900ef4638c4ff1faf8aee993bc
48K     /var/lib/docker/overlay2/6dc5e859f69c26e6535fc82f178fd2490526ee28a43efe4375a1f9f5d59a84aa
236K    /var/lib/docker/overlay2/7faabc6d3e221019af36178b871c0b1173027d091e3a843fb367b936cd2e32e1
192M    /var/lib/docker/overlay2/fb5da0fc8d12545af7d313a77c7eec281774f93df8e29b977fbb661e2c20b639
106M    /var/lib/docker/overlay2/2e19d1328b71f806aba5b000c1788523642a06127f3cb55c15d75d4fafdd4e16
33M     /var/lib/docker/overlay2/72ea4f5116ad0428871fa4b7b6dcbe48760f76dd2a3e46050a70ca9ddc498c68
24K     /var/lib/docker/overlay2/f3d48c7c4275f236ab03e2ffc6e322309c5126e3c0c31b1778fc0cf3615c7c9b
40K     /var/lib/docker/overlay2/82af1d63efa026f220c016cb0d183760d56b1928facf49335f4b1d258ce59a54-init
14M     /var/lib/docker/overlay2/07327751d8c5738723e56c84497f6dcf24b9e107f2ee1b043be137489c61d273
4.5M    /var/lib/docker/overlay2/9e77f60fb28b96d177c01935189557a51dc8c180ba6780562079083c48dd3f85
92K     /var/lib/docker/overlay2/40adb299892a4e63802e869daed521d9a2e31a57805a429e80c25e63e0fa6326
40K     /var/lib/docker/overlay2/0e2ec387d740ca7d439d3cd2a01bd24086d0de43f4e615961a38cc57852e02cb-init
11M     /var/lib/docker/overlay2/ce17aad963620cf154528c8fc4e9c521540a2a2a71f22947a086fa94aec8f3d2
256K    /var/lib/docker/overlay2/l
32K     /var/lib/docker/overlay2/601a4dac2618b0b60c8e3f5f8c73a5c07662336a73383b02b5d8bfbc7f0bdca0
161M    /var/lib/docker/overlay2/fbffd390537c1e263668bbe6aafff0327d63d054479b193a5f8ce7b8be9ea1ce
11M     /var/lib/docker/overlay2/4f70e3f5c9fb0fef8873a437c6cbcd67323302982d9f7f525e5a6d3819371967
45M     /var/lib/docker/overlay2/534d741a8c6a95f3e7255dc2d65d422b7d16e25e8cc534f8fc03904006775180
6.0M    /var/lib/docker/overlay2/43e5ef9e1c37250fb8b1af0b43551e4cb49210bb2efccbacedab0e610a0099f3
197M    /var/lib/docker/overlay2/c2903f7ec83ac25c7258b6374c21b0bf3f1748286d386498862806fd6726975c
137M    /var/lib/docker/overlay2/82af1d63efa026f220c016cb0d183760d56b1928facf49335f4b1d258ce59a54
57M     /var/lib/docker/overlay2/d5532f36bdfaf8a769036fe6b6f3fe78ea06ed295a31a8c17c8d1c97f7ab2d94
36K     /var/lib/docker/overlay2/d9877ebbc0dd875afa0d0dce621f9bd7b826ae4821ac78e6b14d12c4e7355577
236K    /var/lib/docker/overlay2/1536988afac0088fbd3d2730f19ba8a4fb59bbcbf8ee7a3ed50298b79d2b2ffd
20M     /var/lib/docker/overlay2/c2a36552cc5f14ca94989991718f472760fd62ba5847c193b5f6de8e6323a396
15M     /var/lib/docker/overlay2/b7908e620e1b21b6c68d9d6a26dfb3df3bb0bc832a6bb5ca17b3489dbd899381
24K     /var/lib/docker/overlay2/edac2f225417fe8fa1d87abff46049832721868ebfc74719c846e98f7b772080
40K     /var/lib/docker/overlay2/939d91ddfa976538be3d10fe6ad9d9ce9c253af374de95d9caca38676d9416da
56K     /var/lib/docker/overlay2/8a8ce6a93111056a5e21e2bafa70787ed87de6c02691e9f68095989cec8d1c29
1.9G    /var/lib/docker/overlay2
40K     /var/lib/docker/containers/a4d7e5a044937d2532b9402c57f9c8da9d674e3cbebadd5651728915ec571775
110G    /var/lib/docker/containers/07c6dcd8d12995bcb50a3d382addac873d39bb10518678a53ab92ffa89c79473
76K     /var/lib/docker/containers/4bf9abe6bb9bd4e59607010cf524000c8d3a72254cfb2910a3b10bc4efca062c
32K     /var/lib/docker/containers/7d95e566f7dd704e96dc71054ea7425c698356d92e5cd2ab2470c90200fa040c
80K     /var/lib/docker/containers/138e548358aa0a9033fc3c3fd5d54e13bb261e9bd772edb8171875ca4af92655
40K     /var/lib/docker/containers/3559b5faa34664b76f86cc44e841e11673155c0eb1e8a8a09873e2c3b6556c20
60K     /var/lib/docker/containers/8ecc3652c16eabbb1b63beea409122c3131f672dab77adf4bce4baa599e74abb
110G    /var/lib/docker/containers
4.0K    /var/lib/docker/buildkit/executor
8.0K    /var/lib/docker/buildkit/content
92K     /var/lib/docker/buildkit
3.3M    /var/lib/docker/image/overlay2
3.3M    /var/lib/docker/image
4.0K    /var/lib/docker/tmp
112G    /var/lib/docker

###########################################################################

and last time:

root@raspberrypi:~# du /var/lib/docker/containers -h --max-depth=2
4.0K    /var/lib/docker/containers/a4d7e5a044937d2532b9402c57f9c8da9d674e3cbebadd5651728915ec571775/mounts
4.0K    /var/lib/docker/containers/a4d7e5a044937d2532b9402c57f9c8da9d674e3cbebadd5651728915ec571775/checkpoints
40K     /var/lib/docker/containers/a4d7e5a044937d2532b9402c57f9c8da9d674e3cbebadd5651728915ec571775
4.0K    /var/lib/docker/containers/07c6dcd8d12995bcb50a3d382addac873d39bb10518678a53ab92ffa89c79473/mounts
4.0K    /var/lib/docker/containers/07c6dcd8d12995bcb50a3d382addac873d39bb10518678a53ab92ffa89c79473/checkpoints
110G    /var/lib/docker/containers/07c6dcd8d12995bcb50a3d382addac873d39bb10518678a53ab92ffa89c79473
4.0K    /var/lib/docker/containers/4bf9abe6bb9bd4e59607010cf524000c8d3a72254cfb2910a3b10bc4efca062c/mounts
4.0K    /var/lib/docker/containers/4bf9abe6bb9bd4e59607010cf524000c8d3a72254cfb2910a3b10bc4efca062c/checkpoints
76K     /var/lib/docker/containers/4bf9abe6bb9bd4e59607010cf524000c8d3a72254cfb2910a3b10bc4efca062c
4.0K    /var/lib/docker/containers/7d95e566f7dd704e96dc71054ea7425c698356d92e5cd2ab2470c90200fa040c/mounts
4.0K    /var/lib/docker/containers/7d95e566f7dd704e96dc71054ea7425c698356d92e5cd2ab2470c90200fa040c/checkpoints
32K     /var/lib/docker/containers/7d95e566f7dd704e96dc71054ea7425c698356d92e5cd2ab2470c90200fa040c
4.0K    /var/lib/docker/containers/138e548358aa0a9033fc3c3fd5d54e13bb261e9bd772edb8171875ca4af92655/mounts
4.0K    /var/lib/docker/containers/138e548358aa0a9033fc3c3fd5d54e13bb261e9bd772edb8171875ca4af92655/checkpoints
92K     /var/lib/docker/containers/138e548358aa0a9033fc3c3fd5d54e13bb261e9bd772edb8171875ca4af92655
4.0K    /var/lib/docker/containers/3559b5faa34664b76f86cc44e841e11673155c0eb1e8a8a09873e2c3b6556c20/mounts
4.0K    /var/lib/docker/containers/3559b5faa34664b76f86cc44e841e11673155c0eb1e8a8a09873e2c3b6556c20/checkpoints
40K     /var/lib/docker/containers/3559b5faa34664b76f86cc44e841e11673155c0eb1e8a8a09873e2c3b6556c20
4.0K    /var/lib/docker/containers/8ecc3652c16eabbb1b63beea409122c3131f672dab77adf4bce4baa599e74abb/mounts
4.0K    /var/lib/docker/containers/8ecc3652c16eabbb1b63beea409122c3131f672dab77adf4bce4baa599e74abb/checkpoints
60K     /var/lib/docker/containers/8ecc3652c16eabbb1b63beea409122c3131f672dab77adf4bce4baa599e74abb
110G    /var/lib/docker/containers

###########################################################################

All I have is the following small size containers

root@raspberrypi:~# docker ps
CONTAINER ID   IMAGE                               COMMAND                  CREATED        STATUS                 PORTS                                                                                                                                                               NAMES
07c6dcd8d129   qmcgaw/ddns-updater                 "/updater/app"           9 hours ago    Up 9 hours (healthy)                                                                                                                                                                       gluetun-Mullvad-ddns-updater
7d95e566f7dd   ghcr.io/linuxserver/nginx           "/init"                  9 hours ago    Up 9 hours                                                                                                                                                                                 gluetun-Mullvad-nginx-ansred
138e548358aa   qmcgaw/gluetun:latest               "/entrypoint"            9 hours ago    Up 9 hours (healthy)   8388/tcp, 0.0.0.0:8007->8007/tcp, :::8007->8007/tcp, 0.0.0.0:54823->54823/tcp, :::54823->54823/tcp, 8888/tcp, 8388/udp, 0.0.0.0:8001->8000/tcp, :::8001->8000/tcp   gluetun-Mullvad-VPN
4bf9abe6bb9b   wordpress:latest                    "docker-entrypoint.s…"   11 hours ago   Up 9 hours             0.0.0.0:7001->80/tcp, :::7001->80/tcp                                                                                                                               WordPress-TV-WP
8ecc3652c16e   yobasystems/alpine-mariadb:latest   "/scripts/run.sh"        11 hours ago   Up 9 hours             3306/tcp                                                                                                                                                            WordPress-TV-DB
a4d7e5a04493   amir20/dozzle:latest                "/dozzle"                11 hours ago   Up 9 hours             0.0.0.0:8009->8080/tcp, :::8009->8080/tcp                                                                                                                           dozzle-log
3559b5faa346   portainer/agent                     "./agent"                11 hours ago   Up 9 hours             0.0.0.0:9001->9001/tcp, :::9001->9001/tcp                                                                                                                           portainer_agent

###########################################################################

I don’t have any unused volumes, images etc. I did the setup for the entire Raspberry Pi4 8GB with 128 GB SD card just 12 hours ago.

You advice would be appreciated on how to stop that or limit its use or set a cleanup command. not sure to be frank.

I have another docker hosted on Synology NAS DSM and it doesn’t have this issue at all.

root@Synology:~# df -h
Filesystem         Size  Used Avail Use% Mounted on
/dev/md0           2.3G  1.2G  1.1G  53% /
none               4.8G     0  4.8G   0% /dev
/tmp               4.8G  6.2M  4.8G   1% /tmp
/run               4.8G   24M  4.8G   1% /run
/dev/shm           4.8G   12K  4.8G   1% /dev/shm
none               4.0K     0  4.0K   0% /sys/fs/cgroup
cgmfs              100K     0  100K   0% /run/cgmanager/fs
/dev/vg1/volume_2  5.3T  2.3T  3.0T  44% /volume2
/dev/md2           890G  654G  236G  74% /volume1
tmpfs              1.0T     0  1.0T   0% /dev/virtualization
shm                 64M     0   64M   0% /volume1/@docker/containers/c08768eaccfb67a601af84d60bb7817458e52301860bbb9a9c3111b992949da7/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/b6a47cecb38ffe21f05fb23fa4b9ea65d73da37af277fdeef7ee41692e11d81f/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/2d522fb19fdde734a4f5a3707f3f4e05735aed950a3f5326f8164dc54114836d/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/b49cb0911d2c8c8da4e41de014e23681b50d39d8a33ddccf4dabad755843efe7/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/e5486d724da046cde718a41fcf6368024adfb1654e584ae7d24b88a67455fd7c/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/08de0547b073b7358976786087ed7d4fd40e72bf22bfee289dbab1996db6e2ef/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/9a8dc870c66b450c4fccdc39e09fa99f9b7acd0281b8e85a19f8c42ab9c50b09/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/d368ff6b9230ad626eeedb5e5eb5e748e09c51f726bed229c04ffeca2ac8c452/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/652ac180b5d43db79a29f01ef16ba126749aa86fc14be7c0f82eb71381fc2e1e/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/2b919484b0dcba29f780e39cf0173bbfeb7931b5bd80a2d5fc9f91f9d4a23f7c/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/7a47e1f7db535e9e94e749c220e611913de89ad209a35eed15d6b30ec6623750/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/28ab9a4e78e180971b523956a8e296bec541259b948300c71390905fb903d17f/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/2f620c402595f1e3a37cf22949beab0a430ac2c0cf02cbf8bbd1d4ae3d5decc2/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/099ef7445a3658531a4b33cbd1bbf1914e1ce2d92ce5d0f724842bf8526fd7b7/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/ae96249cac93f56538004d383c149f4f52f7f693e04a0b963e50d0c031ad642f/mounts/shm
shm                 64M  4.0K   64M   1% /volume1/@docker/containers/e26299089153e60a9aa5e251e797402a1d29c6af6d517dddc444a1ae16fea339/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/c0362f28299affcff2b5a6eb7b5eac73fef4b906522ac413e701f00d034255c0/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/cc0c8d6341d699c919fadddd791e6d0332547d023f62bef2c3675a38a97aaa2b/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/5e831df844e3bc89a7990efd19150ecf553d967071c1c6c4919b78cdcdadc8a3/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/c72bdb4d4db454c251cc1d7203b21e904679076edf417fe74ef518882ed46beb/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/b1e34032704b4e94998657409fd889620d15d6e522016e094b0b14bdad3f1bf2/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/ce105b245b0181cb57491ce65b21481a32df498751ed9c0db8c583ca4cc4a0da/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/91f276062d5b640d37f34419eaa492e4083c6fba0b7fa19cfe21ba0bbb0bd996/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/e2ce58daedfb4122325e13323028c7b85f82d004fe8cba98c8e08c6cf3890b0f/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/022efc15fae575cbf91025cd45f805ce19b9518d5b12d3f72752c409a690aa12/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/f2e4490dcea0c51e154ee99ca789b180280e39f45a47785f838534d5f62827f9/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/f82056640eaea545d4a854f6488f17e62682e4a9322f39dbfda4f9a98a29738d/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/c1f4f886f0fdc748a6d8d06a97c97d80a5ec2f63f62ab1d9d493d17a6e194163/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/9c08ccef6b9a5b22b3d62120a89cf678e49298585558238d954cd26909068a60/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/956932b8a0f4b7372b5b9f7553402294eec3fd0984ea0044e82239ec332b3249/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/a283b69791071f7a61bac5a2d2373c3de2348cda6639be5f59e4832d80ace428/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/9790104eb4f573c9e89735cb1a15cb8af1a84bd26d63f2080bac2af2a29d2717/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/0573739925d8cc8d79a67decd84853022c73072f83313929662aa9002d1cc10a/mounts/shm
shm                 64M  8.0K   64M   1% /volume1/@docker/containers/43cacf62aca3b57542e88f2c159a9eeeb897cea2a911959a800ab807597c0117/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/6dbee81891eca816c4da431caa5156ae5a94ea9096d20a944f00d45eb23915b8/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/5dd57de734be8e29233f4e0765431ff476ac6a871218f75dadf9d7d4ccad0720/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/a17f29a5fa926a1cd8981643c9c444bbf9bb228c9862fefa6b270a6c8c3e3bcc/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/d648616762a8f1b032901508243108dc2541a8e88db29fb256bad179648b114e/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/abcc830a87bace2de0ff051d991ee3fb37ca2e5d498ce847da0755e08b5c6a6a/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/23b7684beb9d04bdf831fc2c6a9873b7799512c3d6d2f7a20a03ea437fcea220/mounts/shm
shm                1.0G     0  1.0G   0% /volume1/@docker/containers/8188b710cedba58451cacca84fefb00943b0e39328788b23356f2d0ab79171d3/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/3d885ba30ef8b3d00391f64c7beff6a3bd73621599f53ee856ce3cac2e6d0489/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/8ea10943550629ff2377b5b6bbe3c825bcdf2ce43148f7e27106c1d5d84a93b1/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/fa7c8d54d3e18c1fe63059ee690d4ccaca223c2c68d2d2f30c6b10c85ea59d52/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/704f57ca6ae36e8b59e3c971952521bddf35a7657a89eb1820a5a3bbc1b5e3b2/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/9ba39da56f3a382d5b034d4fcf22957b41232ba626bbda58a9805b5cb493abef/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/946210c6e999d8c4f88eb76c12dbbbb57772f9ac023e4143d8239a7081cdb3a3/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/789e31cda88cfaba65ee9da310326479b33791e85540e99bf962db4823f519bc/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/27c513f83bbca5fe9017ddf93bbedabb2abeba16108f675b3556d38eeaa60401/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/e8b01a12a8b230dfed21a48d95beec080aa077a873b645c5dac97554bf26dc9e/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/eb198707970beddd7dedbabafde9073c62791b5d2d9e688fc7075086fc464a9b/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/f3d3aeb652b7e0ca5620a1d1c8165d310f78340a87658cb288720d72d278fdae/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/e951ecb2c1a6b6aa2dbf45a4552350490c63362e8b3795bea349669e4c50af13/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/52e8fb19b8465c6c1ee5dfc993be039a308d7f8abd81983766abee60b26d84f8/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/85ec0a25c5db957f77d5992d32ef13a3e96fe2a69d1fd2ed517e365c6cca1324/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/8784fcd8f5bd06a43583fb617a2b2ee7177b18dc53c3258db2aa777605bc86a2/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/2c28798884c1b22af2bef4060b1f335058e330885e1dbdb3134f2376a3e99b44/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/2149d93f04166a555a14b120537ad02a523137ab31412bd4374bee12b5cf66c0/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/c8be07b75de7dfb8b1b09ce34d1771d1f4cae35b1cedf6fee479bb823ba24de4/mounts/shm
shm                 64M     0   64M   0% /volume1/@docker/containers/6bb61c11a41784154d1075a30443fcc4d9922de471e96ad10d8282bb3db6bc71/mounts/shm

Good news! :love_you_gesture:

I found out the issue.

One of the containers was unhealthy and filling disk space with health logs and didn’t stop for days, hence, disk space was filled up.

Once the config was fixed on the container level, disk space is fine now.

:clap:

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