grub-install: warning: this GPT partition label contains no BIOS Boot Partition; embedding won’t be possible Ubuntu使用BIOS启动时, GPT分区表下安装grub2报错 的解决办法

 Ubuntu使用BIOS启动时, GPT分区表下安装grub2报错 的解决办法

报错信息如下: 

root@fwhlin:/mnt# grub-install /dev/sdb
Installing for i386-pc platform.
grub-install: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
grub-install: error: embedding is not possible, but this is required for cross-disk install.
root@fwhlin:/mnt# 

This is fixed by creating a 2 MB partition on the 2 TB hard disk and setting its flag to “bios_grub”

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parted /dev/sdb set 1 bios_grub on

Here “1” is the partition number for the 2 MB partition.

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root@fwhlin:~# parted /dev/sdb set 1 bios_grub on
Information: You may need to update /etc/fstab.                          
 
root@fwhlin:~# parted /dev/sdb print
Model: ATA WDC WD20EZRX-00D (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
 
Number  Start   End     Size    File system  Name  Flags
 1      17.4kB  3049kB  3032kB  ext4               bios_grub
 
root@fwhlin:~#

Now grub-install worked properly.

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root@fwhlin:~# grub-install /dev/sdb
Installing for i386-pc platform.
Installation finished. No error reported.
root@fwhlin:~#

I set /dev/sdb as first boot device in BIOS and it booted perfectly.

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posted @ 2017-04-18 16:03  donaldjohn  阅读(8406)  评论(0编辑  收藏  举报