[CentOS] CentOS 6.2 software raid 10 with LVM - Need help with degraded drive and only one MBR

m.roth at 5-cent.us m.roth at 5-cent.us
Fri Mar 2 13:01:39 EST 2012


Digimer wrote:
<snip>
> Boot from a live CD using the CentOS 6.2 install media. Once booted:
>
> <bash># grub
> <grub> root (hd0,0)
> <grub> setup (hd0)
> <grub> root (hd1,0)
> <grub> setup (hd1)
> <grub> root (hd2,0)
> <grub> setup (hd2)
> <grub> quit
> <bash># reboot
>
> This assumes that grub sees the drives at '0, 1 and 2' and the boot
> partition is the first on each drive. If it is, when you type 'root
> (hdX,0)' it should report that a file system was found. The 'setup
> (hdX)' will tell grub to write the MBR to the specified disk.

THANK YOU! I could have used that once or twice, and had no idea that grub
could create a std. MBR.

        mark



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