拱门 Linux, Docker "No space left on device."

Arch Linux, Docker "No space left on device."

我看到的所有类似问题都已通过清理图像或容器或孤立卷得到解决,但我没有遇到任何这些问题。我什至完全删除了 /var/lib/docker,但仍然没有。

相关输出:

[N] ⋊> ~/W/W/cocagne on master ⨯ docker run --rm -v /var/run/docker.sock:/var/run/docker.sock:ro -v /var/lib/docker:/var/lib/docker martin/docker-cleanup-vol
umes
docker: Error response from daemon: Container command '/usr/local/bin/docker-cleanup-volumes.sh' not found or does not exist..
[N] ⋊> ~/W/W/cocagne on master ⨯ docker-compose build                                                                                                11:56:23
mysql uses an image, skipping
Building vitess
Traceback (most recent call last):
  File "/usr/bin/docker-compose", line 9, in <module>
    load_entry_point('docker-compose==1.7.1', 'console_scripts', 'docker-compose')()
  File "/usr/lib/python3.5/site-packages/compose/cli/main.py", line 58, in main
    command()
  File "/usr/lib/python3.5/site-packages/compose/cli/main.py", line 109, in perform_command
    handler(command, command_options)
  File "/usr/lib/python3.5/site-packages/compose/cli/main.py", line 213, in build
    force_rm=bool(options.get('--force-rm', False)))
  File "/usr/lib/python3.5/site-packages/compose/project.py", line 300, in build
    service.build(no_cache, pull, force_rm)
  File "/usr/lib/python3.5/site-packages/compose/service.py", line 718, in build
    buildargs=build_opts.get('args', None),
  File "/usr/lib/python3.5/site-packages/docker/api/build.py", line 54, in build
    path, exclude=exclude, dockerfile=dockerfile, gzip=gzip
  File "/usr/lib/python3.5/site-packages/docker/utils/utils.py", line 103, in tar
    t.add(os.path.join(root, path), arcname=path, recursive=False)
  File "/usr/lib/python3.5/tarfile.py", line 1938, in add
    self.addfile(tarinfo, f)
  File "/usr/lib/python3.5/tarfile.py", line 1966, in addfile
    copyfileobj(fileobj, self.fileobj, tarinfo.size)
  File "/usr/lib/python3.5/tarfile.py", line 244, in copyfileobj
    dst.write(buf)
  File "/usr/lib/python3.5/tempfile.py", line 483, in func_wrapper
    return func(*args, **kwargs)
OSError: [Errno 28] No space left on device
[I] ⋊> ~/W/W/cocagne on master ⨯ docker ps -a                                                                                                        11:56:30
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
[I] ⋊> ~/W/W/cocagne on master ⨯ docker ps -q                                                                                                        11:57:25
[I] ⋊> ~/W/W/cocagne on master ⨯ docker image -q                                                                                                     11:57:28
docker: 'image' is not a docker command.
See 'docker --help'.
[I] ⋊> ~/W/W/cocagne on master ⨯ docker images -a                                                                                                    11:57:39
REPOSITORY                      TAG                 IMAGE ID            CREATED             SIZE
martin/docker-cleanup-volumes   latest              8c41df286c03        12 weeks ago        22.12 MB
[I] ⋊> ~/W/W/cocagne on master ⨯ df -h                                                                                                               11:57:41
Filesystem      Size  Used Avail Use% Mounted on
dev             3.9G     0  3.9G   0% /dev
run             3.9G  832K  3.9G   1% /run
/dev/sda4        27G  9.1G   17G  36% /
tmpfs           3.9G   64M  3.8G   2% /dev/shm
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
tmpfs           3.9G   32K  3.9G   1% /tmp
/dev/sda1        42G   16G   25G  39% /home
/dev/sda2        42G  9.4G   30G  24% /var
/dev/sda5       1.3G   32M  1.3G   3% /boot
tmpfs           790M   12K  790M   1% /run/user/1000
[I] ⋊> ~/W/W/cocagne on master ⨯                                                                                                                     11:57:54

docker 信息

[I] ⋊> ~/W/W/cocagne on master ⨯ docker info                                                                                                         12:01:55
Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 0
Server Version: 1.11.2
Storage Driver: devicemapper
 Pool Name: docker-8:2-2359321-pool
 Pool Blocksize: 65.54 kB
 Base Device Size: 10.74 GB
 Backing Filesystem: xfs
 Data file: /dev/loop0
 Metadata file: /dev/loop1
 Data Space Used: 11.8 MB
 Data Space Total: 107.4 GB
 Data Space Available: 34.57 GB
 Metadata Space Used: 581.6 kB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.147 GB
 Udev Sync Supported: true
 Deferred Removal Enabled: false
 Deferred Deletion Enabled: false
 Deferred Deleted Device Count: 0
 Data loop file: /var/lib/docker/devicemapper/devicemapper/data
 WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.
 Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
 Library Version: 1.02.131 (2016-07-15)
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins: 
 Volume: local
 Network: null host bridge
Kernel Version: 4.6.4-1-ARCH
Operating System: Arch Linux
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 7.706 GiB
Name: crockford
ID: HO2U:ELWR:LDB3:PMEY:5YOJ:D7YJ:2HJA:PVYG:45K2:J6KI:D6WO:4RUE
Docker Root Dir: /var/lib/docker
Debug mode (client): false
Debug mode (server): false
Registry: https://index.docker.io/v1/

有一件事让我的问题有点不同(我认为问题的根源来自哪里)

在我为 /var 创建一个单独的分区之前,它在我的根分区上,最终用完了。一旦它达到最大值,我就缩小了我的主分区,创建了一个 /var 分区,将我的 root 的 /var 复制到我的新的 /var,并删除了我的旧的 /var。但出于某种原因,docker 仍然认为它已经用完了?我不知道。

我也尝试用 sudo pacman -S docker 重新安装 docker 但没有。

编辑:我刚刚用普通 docker build . 试了一下,效果很好。不知何故 docker-compose 认为它内存不足?

来自 docker-compose 的 python 堆栈跟踪表明它似乎无法创建临时文件。这表示 /tmp.

中没有 space

OP 在评论中提到当他运行 docker-compose 时他的 RAM 被完全消耗了。鉴于此以及 /tmp 安装在 tmpfs 上的事实,没有 space 留给 Python/docker-compose 在中创建任何临时文件是有道理的/tmp.

可能的解决方案是:

  • 通过设置以下环境变量之一临时切换默认临时文件生成位置:TMPDIRTEMPTMP(参考:Python doc
  • /tmp 更改为 而不是 使用 tmpfs 并改用磁盘。
  • 增加计算机上 RAM/Swap space 的数量。 (您可以增加交换而不会弄乱您的分区 like so)。 tmpfs 由易失性存储支持,这意味着 RAM 和 Swap 理论上都应该可以工作。

请注意,大多数情况都会导致您的应用程序速度变慢,特别是如果 docker 构建过程 I/O 繁重。

试试这个:

mount -o remount,size=4G,noatime /tmp