From: "H. Peter Anvin" <hpa@zytor.com>
To: NeilBrown <neilb@suse.de>
Cc: John Robinson <john.robinson@anonymous.org.uk>,
David Brown <david.brown@hesbynett.no>,
Oliver Martin <oliver@volatilevoid.net>,
linux-raid@vger.kernel.org
Subject: Re: Creating a 3-disk RAID6 array
Date: Fri, 18 May 2012 17:04:52 -0700 [thread overview]
Message-ID: <4FB6E3A4.3020103@zytor.com> (raw)
In-Reply-To: <20120518175700.61337765@notabene.brown>
On 05/18/2012 12:57 AM, NeilBrown wrote:
>
> Possibly we could special case the parity-generation code to just
> copy the data block when data-disks==1. That sound easy enough...
> But the raid456 module needs to understand this
> 3-way-RAID1-pretending-to-be-RAID6, we cannot use the raid1 module
> to do it.
>
I actually think it will Just Work as-is... there might be some need
to modify the loop control logic.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-05-19 0:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 1:24 Creating a 3-disk RAID6 array Oliver Martin
2012-05-17 1:38 ` NeilBrown
2012-05-17 13:18 ` David Brown
2012-05-17 14:04 ` John Robinson
2012-05-18 7:24 ` David Brown
2012-05-18 7:30 ` H. Peter Anvin
2012-05-18 7:57 ` NeilBrown
2012-05-19 0:04 ` H. Peter Anvin [this message]
2012-05-17 21:02 ` Dan Williams
2012-05-17 23:27 ` Oliver Martin
2012-05-17 4:22 ` Bill Davidsen
2012-05-18 2:36 ` Stan Hoeppner
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