From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: dracut does not mount iscsi targets specified using --mount
 option
Date: Wed, 25 Apr 2012 09:46:06 -0400
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To: Harald Hoyer <harald.hoyer-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Cong Wang <amwang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On Wed, Apr 25, 2012 at 11:26:15AM +0200, Harald Hoyer wrote:

Hi Harald,

[..]
>      is_mpath() {
> -        [ -e /sys/dev/block/$1/dm/uuid ] || return 1
> -        [[ $(cat /sys/dev/block/$1/dm/uuid) =~ ^mpath- ]] && return 0
> +        local _dev
> +        _dev=${1##/dev/}
> +        [ -e /sys/dev/block/$_dev/dm/uuid ] || return 1
> +        [[ $(cat /sys/dev/block/$_dev/dm/uuid) =~ ^mpath- ]] && return 0

Will this work? _dev is device name (sda) and /sys/dev/block/ has links
based on device "maj:min". I applied this patch and ran dracut and I 
see that multipath module did not get included.

Thanks
Vivek