[root@ceph-6-29 ~]# docker info
.。。。。。。。。。。。。。。。
Server Version: 1.12.1
Storage Driver: devicemapper
Pool Name: docker-8:197-537316283-pool
Pool Blocksize: 65.54 kB
Base Device Size: 10.74 GB《《=============data 默认块大小
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: 107.4 GB
Metadata Space Used: 581.6 kB
Metadata Space Total: 2.147 GB《《=============metadata 默认块大小
Metadata Space Available: 2.147 GB
Thin Pool Minimum Free Space: 10.74 GB
Udev Sync Supported: true
docker info
.。。。。。。。。。。。。。。
Server Version: 1.12.1
Storage Driver: devicemapper
Pool Name: docker-8:197-537315670-pool
Pool Blocksize: 65.54 kB
Base Device Size: 107.4 《《=============Base Device 默认块大小
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 53.74 MB《《=============data 默认块大小
Data Space Total: 53.69 GB
Data Space Available: 53.63 GB
Metadata Space Used: 532.5 kB
Metadata Space Total: 4.295 《《=============Metadata 默认块大小
Metadata Space Available: 4.294 GB
Thin Pool Minimum Free Space: 5.369 GB
1.8: 以上是直接修改配置调整存储空间大小,验证配置修改生效;
二:通过dd 创建存储空间文件方式调整存储空间;
2.1:在线验证docker配置信息:
docker info
.。。。。。。。。。。。。。。
Server Version: 1.12.1
Storage Driver: devicemapper
Pool Name: docker-8:197-537315670-pool
Pool Blocksize: 65.54 kB
Base Device Size: 107.4 《《=============Base Device 默认块大小
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 53.74 MB《《=============data 默认块大小
Data Space Total: 53.69 GB
Data Space Available: 53.63 GB
Metadata Space Used: 532.5 kB
Metadata Space Total: 4.295 《《=============Metadata 默认块大小
Metadata Space Available: 4.294 GB
Thin Pool Minimum Free Space: 5.369 GB
3.2:查看系统分区信息:
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 558.4G 0 disk
。。。。。。。。。。。。。。。。。。
├─sda4 8:4 0 1K 0 part
├─sda5 8:5 0 355.9G 0 part /dbdata
├─sda6 8:6 0 80G 0 part 《=======本次演示使用分区
。。。。。。。。。。。。
3.3:修改前查看info信息:
[root@dn-5-67 ~]# docker info
。。。。。。。。。。。。。。。。。。。。。
Images: 5
Server Version: 1.12.1
Storage Driver: devicemapper
Pool Name: docker-8:2-269225707-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: 1.944 GB
Data Space Total: 107.4 GB
Data Space Available: 98.49 GB
Metadata Space Used: 2.834 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.145 GB
Thin Pool Minimum Free Space: 10.74 GB
[root@dn-5-67 docker]# docker info
。。。。。。。。。。。。。。。。
Images: 0
Server Version: 1.12.1
Storage Driver: devicemapper
Pool Name: docker-8:2-403544979-pool
Pool Blocksize: 524.3 kB
Base Device Size: 85.9 GB《《=============存储位置已变更
Backing Filesystem: xfs
Data file: /dev/sda6《《=============存储位置已变更
Metadata file: /dev/sda7《《=============存储位置已变更
Data Space Used: 79.17 MB
Data Space Total: 85.9 GB
Data Space Available: 85.82 GB
Metadata Space Used: 737.3 kB
Metadata Space Total: 10.74 GB
Metadata Space Available: 10.74 GB
Thin Pool Minimum Free Space: 8.59 GB
Pool Name: docker-8:197-270105280-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: 768.3 MB
Data Space Total: 107.4 GB
Data Space Available: 106.6 GB
Metadata Space Used: 1.79 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.146 GB
Thin Pool Minimum Free Space: 10.74 GB
Udev Sync Supported: true
4.3:查看系统分区信息:
sdm 8:192 0 278.9G 0 disk
├.......................
├─sdm2 8:194 0 80G 0 part 《=======本次演示使用分区
......................
[root@ceph-6-27 ~]#