如何让 Laravel 7 Homestead 数据库快照正常工作？

Question

多年来我一直很喜欢 Homestead，今天我注意到一个非常吸引人的功能，这是我以前从未使用过的。

https://laravel.com/docs/7.x/homestead#database-snapshots 说：

Homestead supports freezing the state of MySQL and MariaDB databases and branching between them using Logical MySQL Manager. For example, imagine working on a site with a multi-gigabyte database. You can import the database and take a snapshot. After doing some work and creating some test content locally, you may quickly restore back to the original state.

...

A common workflow looks like the following:

Import a database into the default master lmm branch.

Save a snapshot of the unchanged database using sudo lmm branch prod-YYYY-MM-DD.

Modify the database.

Run sudo lmm merge prod-YYYY-MM-DD to undo all changes.

Run sudo lmm delete <branch> to delete unneeded branches.

这个工具听起来很有用，但我无法按照这些说明进行操作。这是我尝试过的方法和结果：

sudo lmm status
Active snapshot:

Database snapshots:
  master

2.70% used by MySQL databases.
sudo lmm branch beforeImports
df: '': No such file or directory
  Logical volume name "" is invalid.
  Run `lvcreate --help' for more information.
mount: /homestead-vg/beforeImports: special device /dev/homestead-vg/mysql-beforeImports does not exist.
mount: /homestead-vg/beforeImports: special device /dev/homestead-vg/mysql-beforeImports does not exist.
mount: /homestead-vg/prod-YYYY-MM-DD: special device /dev/homestead-vg/mysql-prod-YYYY-MM-DD does not exist.
mount: /homestead-vg/beforeImports: special device /dev/homestead-vg/mysql-beforeImports does not exist.
sudo lmm checkout master
is the currently active database.
Setting /homestead-vg/master as the active database.
rm: cannot remove '/var/lib/mysql': Is a directory
ln: failed to create symbolic link '/var/lib/mysql/master': File exists

我正在使用：Windows10，Vag运行t 2.2.7，Virtualbox 6.1.2，Homestead v10.2.0。

我做错了什么？

P.S。我查看了 https://github.com/Lullabot/lmm/blob/ubuntu-18.04/functions.sh#L5（我认为这是 Homestead 正在使用的），然后我查看了运行 sudo echo `readlink /var/lib/mysql`，它打印了一个空行。但是 sudo ls -lah /var/lib/mysql 显示了很多文件。我显然不知道自己在做什么，希望得到任何帮助。

P.P.S。我也看到了https://github.com/laravel/homestead/issues/1112但是没看懂

Answer 1

存在阻止 LMM 使用 MySQL 8 的错误：https://github.com/laravel/homestead/issues/1383

如何让 Laravel 7 Homestead 数据库快照正常工作？

How can I get the Laravel 7 Homestead database snapshots working?

laravel

homestead

lvm