linux-kernel - Re: Raid 10 Problems?

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Message-ID: <Pine.LNX.4.61.0703050312050.23714@yvahk01.tjqt.qr>
Date:	Mon, 5 Mar 2007 03:13:05 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Marc Perkel <mperkel@...oo.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Raid 10 Problems?


On Mar 4 2007 15:10, Marc Perkel wrote:
>> On Mar 4 2007 08:25, Marc Perkel wrote:
>> >I'm running the latest OpenVZ kernel 2.6.18. I'm
>> not
>> >sure if this is a factor or not as the problem
>> occurs
>> >without starting any VEs.
>> >
>> >I've never used raid 10 before (stripes on top of 2
>> >mirrors) so I don't have anything to compare this
>> >with. I'm just wondering if I'm doing something
>> wrong.
>> 
>> Are you using raid1+0 (3 md devices) or raid10 (1
>> raid device)?
>> Depending on which, you might want to try the other.
>
>
>I'm using 3 devices. Can you use just one? If so -
>how?
>How do I create a raid 10 using mdadm?

mdadm -C /dev/md0 -N nicearray -b internal -e 1.0 -l 10 -n 4 /dev/sd[abcd]1

for example. (See the manpage for details.)


Jan
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