Comme suit, j'ai défini le fichier image docker et d'autres éléments comme partition /data via les paramètres de démarrage. Mais après quelques jours d'exécution, le 140g sera complètement occupé par docker, docker system prune, et. tout ira bien. Courez juste quelques jours. La journée est à nouveau pleine. Le nombre de visites est fondamentalement négligeable.

Containers: 9
 Running: 8
 Paused: 0
 Stopped: 1
Images: 9
Server Version: 17.04.0-ce
Storage Driver: overlay
 Backing Filesystem: xfs
 Supports d_type: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins: 
 Volume: local
 Network: bridge host macvlan null overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: 
containerd version: 422e31ce907fd9c3833a38d7b8fdd023e5a76e73
runc version: 9c2d8d184e5da67c95d601382adf14862e4f2228
init version: 949e6fa
Security Options:
 seccomp
  Profile: default
Kernel Version: 3.10.0-514.16.1.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 32
Total Memory: 94.21GiB
Name: lan
ID: PAXF:B5ON:REKS:XKQT:H2NZ:7SRZ:CNZB:DX6E:RARZ:Y52A:YOOZ:CN5X
Docker Root Dir: /data/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Experimental: false
Insecure Registries:
 127.0.0.0/8
Registry Mirrors:
 https://z3sa3ije.mirror.aliyuncs.com/
Live Restore Enabled: false

/dev/sda2        50G  4.6G   46G   10% /
devtmpfs         48G     0   48G    0% /dev
tmpfs            48G     0   48G    0% /dev/shm
tmpfs            48G  4.1G   44G    9% /run
tmpfs            48G     0   48G    0% /sys/fs/cgroup
/dev/sda6       140G   67G   74G   48% /data
/dev/sda3        38G 1003M   37G    3% /home
/dev/sda1      1014M  214M  801M   22% /boot
overlay         140G   67G   74G   48% /data/docker/overlay/b5eaf497779b4fd9cee674f3e23e68498fd0e3163432096861c1cd3da7578364/merged
overlay         140G   67G   74G   48% /data/docker/overlay/f829def71e4b9b1d881a4ea4b0a3ab51c693f0e233fef9c0eb17b52976d4a13e/merged
overlay         140G   67G   74G   48% /data/docker/overlay/7ac5ddeb786ea976978930534c177356de132c52c38c039875086b9254f408a8/merged
overlay         140G   67G   74G   48% /data/docker/overlay/64b4dc812120556cf016741723203c55d7434112214469e6dd31873e603ca7ff/merged
overlay         140G   67G   74G   48% /data/docker/overlay/cba97ec068f55cae0cfd044c89d83dee622bfc8043a80563ab29a5b1656039f6/merged
overlay         140G   67G   74G   48% /data/docker/overlay/3a8ec67332c56da299ad5b39b5bf25946f0b5b8e8a97c05e22c7796d0c43c761/merged
shm              64M     0   64M    0% /data/docker/containers/55800384001dc44638f51b71632ca9516cd36280c3b6f118f085590fd6ea646e/shm
shm              64M     0   64M    0% /data/docker/containers/c553d9d019856b3bfe68e25bf7c1b144b977d69fb9187d0d3805b1511815e451/shm
shm              64M  4.0K   64M    1% /data/docker/containers/6ff159d2f5cff658a0d7bf96b5a5c01933715c905e26e62bce31cffa4124606b/shm
shm              64M     0   64M    0% /data/docker/containers/4666af66213c5b1d288782b51a1d8923276e5b94587bec1cc9b75d2120381548/shm
shm              64M     0   64M    0% /data/docker/containers/83ed677a14aa823a116d128021bdf1739dd9bf1845f7804fcc1d0adb6f27f405/shm
shm              64M     0   64M    0% /data/docker/containers/574b2f238406377d35d8802d07722815d8065f0f230a0f3291af2adf8de8a320/shm
overlay         140G   67G   74G   48% /data/docker/overlay/77cb467e19de09b3cba5f9d48cda6a086e989496d953a5ef55cdfb6e6a855d3b/merged
shm              64M     0   64M    0% /data/docker/containers/e1a6e5bab954af04eb49ef2251caa744e9c42e147da1c67ff693bf44784d685c/shm
overlay         140G   67G   74G   48% /data/docker/overlay/80ec06d73e1c0dc140188e3bbf91ebc3a019d6047da37164570c15ada6e6c651/merged
shm              64M     0   64M    0% /data/docker/containers/ad92c2116caade3c8ffd64f02b1644ac44b8bf1c2cd044907a35a3d63d9a0fff/shm
tmpfs           9.5G     0  9.5G    0% /run/user/0