From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: Is (non-failed) disk replace possible without loosing
 redundancy ?
Date: Fri, 12 Apr 2013 20:21:30 +1000
Message-ID: <20130412202130.631011d7@notabene.brown>
References: <F5FBA8C0111F5C458B9E1BC24A3F4BDD01F43AAFA5@exchange2.ad.tlogica.com>
	<5166D3C5.5000407@websitemanagers.com.au>
	<runj3axnnb.ln2@goaway.wombat.san-francisco.ca.us>
	<20130412160124.3439ad7d@natsu>
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To: Roman Mamedov <rm@romanrm.ru>
Cc: Keith Keller <kkeller@wombat.san-francisco.ca.us>, linux-raid@vger.kernel.org
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On Fri, 12 Apr 2013 16:01:24 +0600 Roman Mamedov <rm@romanrm.ru> wrote:

> On Thu, 11 Apr 2013 14:52:59 -0700
> Keith Keller <kkeller@wombat.san-francisco.ca.us> wrote:
>=20
> > Is there any way to accomplish the same sort of
> > thing in a RAID5 or 6?
>=20
> There is the "want_replacement" mechanism. It exists, it works perfectly,=
 but
> from this thread it looks like no one knows about it. Actually I am not s=
ure
> where it is documented, try searching the mail list archives.
>=20
>=20

Checkout the devel mdadm from git://neil.brown.name/mdadm/

 make man
 less mdadm.man

and search for "--replace"

Requires linux-3.3 or later.

NeilBrown

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