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Re: booting from a raid1

From: Emil Micek
Subject: Re: booting from a raid1
Date: Fri, 1 Oct 2010 12:22:28 +0200 (CEST)
User-agent: Alpine 2.00 (LNX 1167 2008-08-23)


On Fri, 1 Oct 2010, lee wrote:


I'm trying to figure out how to boot from a RAID1 created with mdadm
on Debian testing amd64.

md0 : active raid1 sdd1[0] sdf1[1]
     488384400 blocks super 1.2 [2/2] [UU]

As far as i know grub2 can't boot from raid arrays with version 1.2 metadata superblock. At least your /boot partition must reside on RAID with version 0.9 superblock. You can create such array by passing the '--metadata=0.90' option to mdadm when creating the array.


Emil Micek

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