[Solved] Grub after moving from ext2 to ext4

When I boot without a live cd I am staring at the grub1 rescue console. I followed the instructions here to go from ext2 to ext 4 http://www.ghacks.net/2010/08/11/convert-ext23-to-ext4/
When I got to the part about changing /etc/fstab from ext2 to ext4, I noticed my /etc/fstab was empty. I suppose that's what I get for meddling with something I don't completely understand but I've consistently followed instructions on the wiki and done fine with plenty of other things I didn't understand.
Since this epic disaster I've managed to Chroot in and change my /etc/fstab to depict ext4 and mkinitcpio -p linux and change my /etc/default/grub to direct rootfstype=ext4 and run grub-mkconfig -o /boot/grub/grub.cfg.
I feel like this is salvagable but I am at a complete loss as to where to go from here. My hd layout is as follows, my boot is recognized as a ext4 fs, everything seems to be intact I just cannot boot. One thing I did notice that is out of place is that the grub console I am booting to is grub-legacy. I am uncertain as to why because I was using grub2. I suspect it was due to me using fsarchiver to backup my ext2 boot and then reinsert it onto an ext4 fs or because I am using the arch install disk and the grub-install command put grub1 on it.
/dev/sda1 /boot ext4
/dev/sda2 swap
/dev/sda3 / btrfs
/dev/sda4 /home btrfs
I am guessing what probably has to happen is I need to reinstall grub2 onto /dev/sda1 . Would it be as easy as pacman -S grub2-bios while in chroot?
Last edited by jallenusn (2012-07-09 21:22:52)

I am going down the steps to reinstall grub2 now. I ran blkid -c /dev/null and it returned this. the UUID's are actually filled in on what it returns. I left them blank for obvious reasons.
/dev/sda1: UUID: "" TYPE="ext2"
/dev/sda2: UUID: "" TYPE="swap"
/dev/sda3: UUID: "" UUID_SUB="" TYPE="btrfs"
/dev/sda4: UUID: "" UUID_SUB="" TYPE="btrfs"
/dev/loop100: TYPE=squashfs
/dev/loop101: UUID"" TYPE=ext4
/dev/loop102 type=ext4
/dev/mapper/arch_root-image: type ext4
/dev/loop103 TYPE=squashfs
/dev/loop104: UUID TYPE=ext4
/dev/mapper/arch_lib-modules type=ext4
/dev/loop106 type=squashfs
basically rinse repeat all the way to loop 109 & 110 which are both squashfs.
Edit: I just ran pacman -S grub2-bios and it returned warnings stating "could not get filesystem information for /bootmnt, /cowspace, /sfs/root-image, /sfs/lib-modules, /sfs/sur-share, /repo/core/x86_64, /rep/core/any, & /bootmnt (in that order)
Last edited by jallenusn (2012-07-08 23:58:16)

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