linux-ext4 - Re: raid is dangerous but that's secret

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Message-ID: <6311905a247b1ec1f264f6417ed6d5d6.squirrel@neil.brown.name>
Date:	Fri, 28 Aug 2009 17:23:56 +1000 (EST)
From:	"NeilBrown" <neilb@...e.de>
To:	"Florian Weimer" <fweimer@....de>
Cc:	"Ric Wheeler" <rwheeler@...hat.com>, "Pavel Machek" <pavel@....cz>,
	"Rob Landley" <rob@...dley.net>, "Theodore Tso" <tytso@....edu>,
	"Goswin von Brederlow" <goswin-v-b@....de>,
	"kernel list" <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...l.org>, mtk.manpages@...il.com,
	rdunlap@...otime.net, linux-doc@...r.kernel.org,
	linux-ext4@...r.kernel.org, corbet@....net
Subject: Re: raid is dangerous but that's secret

On Fri, August 28, 2009 5:11 pm, Florian Weimer wrote:
> * Ric Wheeler:
>
>> You continue to ignore the technical facts that everyone (both MD and
>> ext3) people put in front of you.
>>
>> If you have a specific bug in MD code, please propose a patch.
>
> In RAID 1 mode, it should read both copies and error out on
> mismatch. 8-)

Despite your smiley:

  no it shouldn't, and no one is making any claims about raid1 being
  unsafe, only raid4/5/6.

NeilBrown

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