docker- No space left on device
mac苹果电脑docker: No space left on device
首先检查一下有没有用不到的镜像，docker images 可以进行rmi，但一般都还有用。
第一步，查看docker挂载的空间
[root@localhost ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 716M 0 716M 0% /dev
tmpfs 730M 0 730M 0% /dev/shm
tmpfs 730M 8.7M 721M 2% /run
tmpfs 730M 0 730M 0% /sys/fs/cgroup
/dev/mapper/cl_fedora-root 5.6G 5.3G 320M 95% /
/dev/nvme0n1p2 1014M 155M 860M 16% /boot
/dev/nvme0n1p1 599M 9.0M 590M 2% /boot/efi
tmpfs 146M 0 146M 0% /run/user/0
overlay 5.6G 5.3G 320M 95% /var/lib/docker/overlay2/9a7010dfbe78c01d98031d78a28ff79cb3aa2898c6c394cba038772ad91f15d0/merged
可以看到我的挂载空间是5.6G，很小，其实就是/dev/mapper/cl_fedora-root，然后为了保存我们原来的镜像，现在要进行扩容
第二步，关机，进行硬盘扩容处理。
这个点击虚拟机，选择设置，点击硬盘，修改大小即可。
第三步，systemctl stop docker
第四步，分区查看
[root@localhost /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 64G 0 disk
├─nvme0n1p3 259:3 0 6.4G 0 part
│ ├─cl_fedora-swap 253:1 0 820M 0 lvm [SWAP]
│ └─cl_fedora-root 253:0 0 5.6G 0 lvm /
├─nvme0n1p1 259:1 0 600M 0 part /boot/efi
└─nvme0n1p2 259:2 0 1G 0 part /boot
sr0 11:0 1 7.6G 0 rom
可以看到新加的磁盘是60G，也就是nvme0n1
第五步之fdisk /dev/nvme0n1。把nvme0n1挂载到/dev/mapper/cl_fedora-root
[root@localhost /]# fdisk /dev/nvme0n1
欢迎使用 fdisk (util-linux 2.23.2)。
更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。
命令(输入 m 获取帮助)：n
Partition type:
p primary (1 primary, 0 extended, 3 free)
e extended
Select (default p): p
分区号 (2-4，默认 2)：4
起始 扇区 (16777216-134217727，默认为 16777216)：
将使用默认值 16777216
Last 扇区, +扇区 or +size{K,M,G} (16777216-134217727，默认为 134217727)：
将使用默认值 134217727
分区 4 已设置为 Linux 类型，大小设为 56 GiB
命令(输入 m 获取帮助)：p
磁盘 /dev/nvme0n1：68.7 GB, 68719476736 字节，134217728 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0x00000000
设备 Boot Start End Blocks Id System
/dev/nvme0n1p1 1 16777215 8388607+ ee GPT
/dev/nvme0n1p4 16777216 134217727 58720256 83 Linux
命令(输入 m 获取帮助)：w
The partition table has been altered!
Calling ioctl() to re-read partition table.
正在同步磁盘。
第六步之parted /dev/nvme0n1。把nvme0n1挂到/dev/mapper/cl_fedora-root，注意需要计算挂载大小
[root@localhost /]# parted /dev/nvme0n1
GNU Parted 3.1
使用 /dev/nvme0n1
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) /dev/nvme0n1
align-check TYPE N check partition N for TYPE(min|opt) alignment
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkpart PART-TYPE [FS-TYPE] START END make a partition
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices, free
space, all found partitions, or a particular partition
quit exit program
rescue START END rescue a lost partition near START and END
resizepart NUMBER END resize partition NUMBER
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
disk_set FLAG STATE change the FLAG on selected device
disk_toggle [FLAG] toggle the state of FLAG on selected device
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information
of GNU Parted
(parted) p
Model: NVMe Device (nvme)
Disk /dev/nvme0n1: 68.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name 标志
1 1049kB 630MB 629MB fat32 EFI System Partition 启动
2 630MB 1704MB 1074MB xfs
3 1704MB 8589MB 6885MB lvm
(parted) mkpart
分区名称？ []? 4
文件系统类型？ [ext2]? ext2
起始点？ 18850
结束点？ 58880
(parted) p
Model: NVMe Device (nvme)
Disk /dev/nvme0n1: 68.7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name 标志
1 1049kB 630MB 629MB fat32 EFI System Partition 启动
2 630MB 1704MB 1074MB xfs
3 1704MB 8589MB 6885MB lvm
4 18.9GB 58.9GB 40.0GB 4
(parted) quit
信息: You may need to update /etc/fstab.
[root@localhost /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 64G 0 disk
├─nvme0n1p3 259:3 0 6.4G 0 part
│ ├─cl_fedora-swap 253:1 0 820M 0 lvm [SWAP]
│ └─cl_fedora-root 253:0 0 5.6G 0 lvm /
├─nvme0n1p1 259:1 0 600M 0 part /boot/efi
├─nvme0n1p4 259:4 0 37.3G 0 part
└─nvme0n1p2 259:2 0 1G 0 part /boot
sr0 11:0 1 7.6G 0 rom
第七步，partprobe /dev/nvme0n1
第八步，pvcreate /dev/nvme0n1p4
[root@localhost /]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 64G 0 disk
├─nvme0n1p3 259:3 0 6.4G 0 part
│ ├─cl_fedora-swap 253:1 0 820M 0 lvm [SWAP]
│ └─cl_fedora-root 253:0 0 5.6G 0 lvm /
├─nvme0n1p1 259:1 0 600M 0 part /boot/efi
├─nvme0n1p4 259:4 0 37.3G 0 part
└─nvme0n1p2 259:2 0 1G 0 part /boot
sr0 11:0 1 7.6G 0 rom
[root@localhost /]# pvcreate /dev/nvme0n1p4
Physical volume "/dev/nvme0n1p4" successfully created.
还有一步：vgextend cl_fedora /dev/nvme0n1p4
[root@localhost docker]# pvcreate /dev/nvme0n1p4
Physical volume "/dev/nvme0n1p4" successfully created.
[root@localhost docker]# lvscan
ACTIVE '/dev/cl_fedora/swap' [820.00 MiB] inherit
ACTIVE '/dev/cl_fedora/root' [<5.61 GiB] inherit
[root@localhost docker]# vgs
VG #PV #LV #SN Attr VSize VFree
cl_fedora 1 2 0 wz--n- 6.41g 0
[root@localhost docker]# vgextend cl_fedora /dev/nvme0n1p4
Volume group "cl_fedora" successfully extended
[root@localhost docker]# lvextend -l +100%FREE /dev/mapper/cl_fedora-root
Size of logical volume cl_fedora/root changed from <5.61 GiB (1436 extents) to <42.89 GiB (10979 extents).
Logical volume cl_fedora/root successfully resized.
[root@localhost docker]# xfs_growfs /dev/mapper/cl_fedora-root
meta-data=/dev/mapper/cl_fedora-root isize=512 agcount=4, agsize=367616 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1 spinodes=1
data = bsize=4096 blocks=1470464, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 1470464 to 11242496
[root@localhost docker]# df -Th
文件系统 类型 容量 已用 可用 已用% 挂载点
devtmpfs devtmpfs 716M 0 716M 0% /dev
tmpfs tmpfs 730M 0 730M 0% /dev/shm
tmpfs tmpfs 730M 8.7M 721M 2% /run
tmpfs tmpfs 730M 0 730M 0% /sys/fs/cgroup
/dev/mapper/cl_fedora-root xfs 43G 5.6G 38G 13% /
/dev/nvme0n1p2 xfs 1014M 155M 860M 16% /boot
/dev/nvme0n1p1 vfat 599M 9.0M 590M 2% /boot/efi
tmpfs tmpfs 146M 0 146M 0% /run/user/0
第九步
[root@localhost /]# lvextend -l +100%FREE /dev/mapper/cl_fedora-root
Size of logical volume cl_fedora/root changed from <5.61 GiB (1436 extents) to <42.89 GiB (10979 extents).
Logical volume cl_fedora/root successfully resized.
[root@localhost /]#
[root@localhost /]# df -Th
文件系统 类型 容量 已用 可用 已用% 挂载点
devtmpfs devtmpfs 716M 0 716M 0% /dev
tmpfs tmpfs 730M 0 730M 0% /dev/shm
tmpfs tmpfs 730M 8.6M 721M 2% /run
tmpfs tmpfs 730M 0 730M 0% /sys/fs/cgroup
/dev/mapper/cl_fedora-root xfs 5.6G 5.3G 318M 95% /
/dev/nvme0n1p2 xfs 1014M 155M 860M 16% /boot
/dev/nvme0n1p1 vfat 599M 9.0M 590M 2% /boot/efi
tmpfs tmpfs 146M 0 146M 0% /run/user/0
[root@localhost /]# xfs_growfs /dev/mapper/cl_fedora-root
meta-data=/dev/mapper/cl_fedora-root isize=512 agcount=4, agsize=367616 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1 spinodes=1
data = bsize=4096 blocks=1470464, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 1470464 to 11242496
[root@localhost /]#
[root@localhost /]# df -Th
文件系统 类型 容量 已用 可用 已用% 挂载点
devtmpfs devtmpfs 716M 0 716M 0% /dev
tmpfs tmpfs 730M 0 730M 0% /dev/shm
tmpfs tmpfs 730M 8.6M 721M 2% /run
tmpfs tmpfs 730M 0 730M 0% /sys/fs/cgroup
/dev/mapper/cl_fedora-root xfs 43G 5.6G 38G 13% /
/dev/nvme0n1p2 xfs 1014M 155M 860M 16% /boot
/dev/nvme0n1p1 vfat 599M 9.0M 590M 2% /boot/efi
tmpfs tmpfs 146M 0 146M 0% /run/user/0
[root@localhost /]# systemctl start docker
[root@localhost /]# df -Th
文件系统 类型 容量 已用 可用 已用% 挂载点
devtmpfs devtmpfs 716M 0 716M 0% /dev
tmpfs tmpfs 730M 0 730M 0% /dev/shm
tmpfs tmpfs 730M 8.7M 721M 2% /run
tmpfs tmpfs 730M 0 730M 0% /sys/fs/cgroup
/dev/mapper/cl_fedora-root xfs 43G 5.6G 38G 13% /
/dev/nvme0n1p2 xfs 1014M 155M 860M 16% /boot
/dev/nvme0n1p1 vfat 599M 9.0M 590M 2% /boot/efi
tmpfs tmpfs 146M 0 146M 0% /run/user/0
overlay overlay 43G 5.6G 38G 13% /var/lib/docker/overlay2/9a7010dfbe78c01d98031d78a28ff79cb3aa2898c6c394cba038772ad91f15d0/merged
[root@localhost /]#
原文地址：https://blog.csdn.net/weixin_45822638/article/details/142316394
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