From: Bill Davidsen <davidsen@tmr.com>
To: "David M. Strang" <dstrang@shellpower.net>
Cc: linux-raid@vger.kernel.org
Subject: Re: Booting from raid1 -- md: invalid raid superblock magic on sdb1
Date: Sat, 03 Dec 2005 09:02:29 -0500 [thread overview]
Message-ID: <4391A575.8060707@tmr.com> (raw)
In-Reply-To: <050501c5f2a4$fe72c560$200a11ac@NCNF5131FTH>
David M. Strang wrote:
> I've read, and read, and read -- and I'm still not having ANY luck
> booting completely from a raid1 device.
>
> This is my setup...
>
> sda1 is booting, working great. I'm attempting to transition to a
> bootable raid1.
>
> sdb1 is a 400GB partition -- it is type FD.
>
> Disk /dev/sdb: 400.0 GB, 400088457216 bytes
> 2 heads, 4 sectors/track, 97677846 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 1 97677846 390711382 fd Linux raid
> autodetect
>
> I have created my raid1 mirror with the following command:
>
> mdadm --create /dev/md_d0 -e1 -ap --level=1 --raid-devices=2
> missing,/dev/sdb1
>
> The raid created correctly, I then partitioned md_d0 to match sda1.
I hope that's a typo... you need to partition sdb, not the md_d0 raid
device.
--
bill davidsen <davidsen@tmr.com>
CTO TMR Associates, Inc
Doing interesting things with small computers since 1979
next prev parent reply other threads:[~2005-12-03 14:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-26 16:18 Booting from raid1 -- md: invalid raid superblock magic on sdb1 David M. Strang
[not found] ` <559c115f0605930c434a98c6cfd8fd66@logidac.com>
2005-11-26 17:36 ` David M. Strang
2005-11-26 19:05 ` David M. Strang
2005-11-27 4:36 ` David M. Strang
2005-11-27 19:14 ` David M. Strang
2005-11-27 22:00 ` Neil Brown
2005-11-28 2:11 ` David M. Strang
2005-11-28 2:24 ` Ross Vandegrift
2005-11-28 2:33 ` David M. Strang
2005-11-28 3:11 ` Ross Vandegrift
2005-11-28 3:19 ` David M. Strang
2006-02-14 4:12 ` Lilo append= , A suggestion Mr. James W. Laferriere
2006-02-14 7:15 ` Neil Brown
2006-02-14 7:17 ` Luca Berra
2005-12-03 14:02 ` Bill Davidsen [this message]
2005-12-03 19:49 ` Booting from raid1 -- md: invalid raid superblock magic on sdb1 David M. Strang
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