Fedora Users — Re: Mirroring /boot with s/w RAID

Re: Mirroring /boot with s/w RAID

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To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>

Subject: Re: Mirroring /boot with s/w RAID

From: "Christopher K. Johnson" <ckjohnson@xxxxxxx>

Date: Mon, 25 Oct 2004 19:47:22 -0400

In-reply-to: <[email protected]>

References: <[email protected]> <[email protected]>

Reply-to: For users of Fedora Core releases <fedora-list@xxxxxxxxxx>

User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922

Paul Howarth wrote:

You should only need to tweak the install on the second disk when
you tweak it on the first, e.g. after installing a new version of grub
due to an OS update. Or am I missing something?

Paul.

Correct. Grub, unlike LILO, embeds only disk and partition info in the MBR with some boot loader stages. It uses its knowledge of filesystems to find the configuration file and files referenced by it. LILO by contrast embeds the boot choices and the block address of the kernel and initrd for each entry.

Because of these differences this procedure only needs to be repeated if you change which partition contains the /boot files, or if you install a different version of Grub as Paul suggested, or if you replace a disk.

Chris

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