How to fix grub after moving root partition?

Question

Hi,

Because I am using one of the new WD disks I am trying to aling my root partition with the real sectors, as described here:

http://community.wdc.com/t5/Desktop/Problem-with-WD-Advanced-Format-drive-in-LINUX-WD15EARS/m-p/10920#M631

So I copied all files to a temp location, deleted my partition (/dev/sda3), recreated it a few cylinders later (same name) and copied the files to the newly created partition. But now when I try to boot, I get my old grub menu but after selecting my kernel version it hangs... Any idea how I can fix it?

Accepted Answer

3	Fixed now - the problem was that the partitions UUID has changed as an effect of my actions so I had to update /boot/grub/grub.cfg with the new ids, which I got by running (as root): `blkid` link answered 16 May '10, 17:31 Grzenio 61●1●5 accept rate: 100%

Answer 2

1	Glad to see that you fixed it. Don't forget that you can also use labels or just the partition name (ie. root=/dev/sda3). link answered 18 May '10, 13:38 JD50 51●2 accept rate: 0%

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How to fix grub after moving root partition?

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