centos7 启动故障进入grub>

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故障处理运维

kinda22 in 17 2月 2022

1 2	grub> ls (hd0),(hd0,msdos1),(hd0,msdos2),

查看指定的磁盘下的目录，确认分区正确

1	grub> ls (hd0,msdos1) /boot/grub

1	grub> set root=hd0,msdos1

# LVM

grub> linux16 /vmlinuz-xxx root=/dev/mapper/centos-root

# 其他

grub> linux16 /vmlinuz-xxx root=/dev/sda1

1	grub> lintrad16 /initramfs-xxx.img

1	grub> boot

1	grub2-mkconfig -o /boot/grub2/grub.cfg

centos7 启动故障 进入grub>