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Help installing grub

From: Yan Seiner
Subject: Help installing grub
Date: Tue, 29 May 2012 19:30:39 -0700
User-agent: Mozilla-Thunderbird (X11/20090707)

I need some help with a custom install.

I have a client that I access via a remote connection. Their server has two physical drives set up in a software RAID-1. To make a long story short, through a "perfect storm" series of events, they lost both hard drives. I shipped them a backup of their data and their local admin got the server running on a single drive.

I figured I could set up the other drive as 1/2 of a RAID array, install the data, and then reboot the server with the RAID running and complete the mirroring operation. I mostly followed this process:

I am running into trouble getting a valid boot sector on the new raid drive. This is the first time I've dealt with GRUB 2, and I am not sure how to set it up to boot off of /dev/md1 (the boot partition).

Here's what I have:

/dev/sdb - current boot drive with GRUB installed correctly. This boots just fine.
/dev/sda - new half-array drive without GRUB installed.

Q:  How do I get GRUB installed so it boots off of /dev/md1 (/dev/sda2)?

I am doing this all via ssh; I have no physical access to the server, so some way of checking that the system will actually boot correctly would be welcome.

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