art 解决grub2-install安装报错 grub2-install: error: disk ‘hostdisk//dev/sda1’ not found.

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本文记录了在尝试使用grub2-install命令安装启动加载器到优盘(/dev/sdb)时遇到的问题及错误提示。当指定设备为优盘时，出现警告提示未找到磁盘并回退到分区设备(/dev/sda1)，最终导致安装失败。

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sudo

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/dev/sdb是优盘设备
grub2-install /dev/sdb 报错

Installing for x86_64-efi platform.
grub2-install: warning: disk does not exist, so falling back to partition device /dev/sda1.
grub2-install: warning: disk does not exist, so falling back to partition device /dev/sda1.
grub2-install: warning: disk does not exist, so falling back to partition device /dev/sda1.
grub2-install: error: disk ‘hostdisk//dev/sda1’ not found.