从头开始启动 Microsoft SQL Server(在 Linux 上)容器后...
$ docker run -e 'ACCEPT_EULA=Y' -e 'SA_PASSWORD=Pa$$word' -p 1433:1433 \
-d --name mssql microsoft/mssql-server-linux
... 创建一个 Docker检查点...
$ docker checkpoint create mssql cp1
...失败:
Error response from daemon: Cannot checkpoint container mssql:
failed to read checkpoint reader:
open /var/lib/docker/containers/f2eb8d17e95630332bbeab887b9e03a1b91efcd8907f69b82805a788331316e2/checkpoints/cp1/cgroup.img:
no such file or directory
这是在 Ubuntu 18.04 上,安装了CRIU并启用了实验模式:
$ docker version
Client:
Version: 18.09.6
API version: 1.39
Go version: go1.10.8
Git commit: 481bc77
Built: Sat May 4 02:35:57 2019
OS/Arch: linux/amd64
Experimental: false
Server: Docker Engine - Community
Engine:
Version: 18.09.6
API version: 1.39 (minimum version 1.12)
Go version: go1.10.8
Git commit: 481bc77
Built: Sat May 4 01:59:36 2019
OS/Arch: linux/amd64
Experimental: true
检查点其他容器工作正常,仅在 SQL 映像中运行。
我是否遗漏了什么,或者这可能只是一个错误docker checkpoint
(目前是一个实验性功能)?