[原文] https://pikeralpha.wordpress.com/2017/08/05/osinstall-mpkg-appears-to-be-missing-or-damaged/
起因
在笔记本上升级好了 macOS 10.3，避免多次下载，把 installer 拷贝到 iMac 上进行安装。接着就遇到这个问题了，截图如下：
image.png
macOS could not be installed on your commputer
The path /System/Installation/Packages/OSInstall.mpkg appears to be missing or damaged.
Quit the installer to restart your computer and try again.
解
- 打开
/var/log/install.log搜索Ignoring stale automation file
OSInstaller[569]: Mutable product: Looking for automation file at /Volumes/HS/macOS Install Data/minstallconfig.xml
OSInstaller[569]: Ignoring stale automation file /Volumes/HS/macOS Install Data/minstallconfig.xml (time since IA = -6834.911950)
OSInstaller[569]: Looking for automation file at (null)
OSInstaller[569]: Install will not be automated.
OSInstaller[569]: Install will not be automated, automation is required to proceed.
OSInstaller[569]: Failed to open installer document
- 目录
/Volumes/HS/macOS Install Data/OSInstallAttr.plist找到
<key>IAEndDate</key>
<date>2017-08-02T04:17:08Z</date>
使用
date -v -2H "+%Y-%m-%dT%H:%M:%SZ"
的值替换 date 里面的值。
重启即可，比起需要重新格盘在线安装，这个才是解法。（等安装结果 ing）
-END-
BOOM
image.png
Ok here is how I fixed it,
1. Start in recovery with ALT+CMD+R
2. Go to disk utility
3. Convert the volume to APFS
4. Restart the installation
The install was really slow like 2/3h but in the end it worked without anything lost.
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