RAID disk failure

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It finally happened I had a disk failure in my RAID-1 system, I got a message from SMART telling me that I had a drive failing and and checked the mdstat and sure enough /dev/sda was missing/failed.

Ok, drive has been replaced and I did the following:

1) recreated the partition table with "sfdisk -d /dev/sdb | sfdisk /dev/sda"
2) re-added the partitions back to the raid system (eg mdadm --add /dev/md1 /dev/sda1 etc...) 3) recreated the boot sector on the new drive ***WAIT*** ran into an issue....

The system was upgraded (via yum) from 14 to 15 to now 16 so I had grub, not grub2 on the system, previously it was a simple "grub-install /dev/sdX"

since grub has been replaced with grub2 I tried:

# grub2-install /dev/sda
/sbin/grub2-setup: warn: Your core.img is unusually large. It won't fit in the embedding area.. /sbin/grub2-setup: error: embedding is not possible, but this is required for cross-disk install.

so that didin't work, I'm doing something wrong, suggestions?

Thanks, Jeff
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