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From: Martin Wilck <mwilck@arcor.de>
To: Dmitrijs Ledkovs <xnox@debian.org>, linux-raid@vger.kernel.org
Subject: Re: How does md(adm) work with fake-raid ?
Date: Fri, 19 Jul 2013 20:58:47 +0200	[thread overview]
Message-ID: <51E98C67.9060605@arcor.de> (raw)
In-Reply-To: <CANBHLUi9+hJo8w4V6Bi_3kHDoph4yB7C=sCb5ZSGOB0K1WKGow@mail.gmail.com>

On 07/19/2013 01:35 AM, Dmitrijs Ledkovs wrote:

> My experience with these fakeraid arrays is very limitted, and I'd
> want to enquire of proper migration strategies from dmraid to mdadm.
> Whilst looking at the udev rules, at the moment, i have disable
> IMSM/DDF from assembly in mdadm udev rules, because dmraid has a nice
> property of "activating anything it finds".
> I suppose having both mdadm & dmraid racing to activate those drives
> wouldn't be nice.

It can be done in udev. Have a look at the udev rules in CentOS6, for
example; they do it for IMSM and it should be possible for DDF as well.
You can use kernel command line parameters ("nodmraid") to define what
RAID solution you prefer.

Martin

  parent reply	other threads:[~2013-07-19 18:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-18 20:37 How does md(adm) work with fake-raid ? Francis Moreau
2013-07-18 22:03 ` Martin Wilck
2013-07-18 23:35   ` Dmitrijs Ledkovs
2013-07-19 15:58     ` Jiang, Dave
2013-07-19 18:58     ` Martin Wilck [this message]
     [not found] ` <51E85949.2020107@gmail.com>
2013-07-19  7:02   ` Francis Moreau
     [not found] ` <51E86613.9050505@arcor.de>
2013-07-19  7:08   ` Francis Moreau
2013-07-19 18:52     ` Martin Wilck
2013-07-21 13:41       ` Francis Moreau
2013-07-21 17:10         ` Martin Wilck

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