From mboxrd@z Thu Jan  1 00:00:00 1970
From: Max Waterman <davidmaxwaterman@fastmail.co.uk>
Subject: Re: trouble adding spare
Date: Wed, 14 Jan 2009 15:23:47 +0200
Message-ID: <496DE763.9010300@fastmail.co.uk>
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To: Justin Piszcz <jpiszcz@lucidpixels.com>
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Max Waterman wrote:
>> I would try:
>>
>> 1. mdadm --examine --scan
>> 2. Put that info into mdadm.conf.
It's already there - I think that's how I got the line in the first place.
>> 4. Otherwise, remove the spare from the array, zero the mdadm 
>> superblock.
How would I do this? I tried :

$ sudo /sbin/mdadm /dev/sdi --zero-superblock --force
mdadm: /dev/sdi does not appear to be an md device

Max.