On 04/08/2011 04:19 PM, Yann Ormanns wrote:
Subject: Re: RAID6 simply does not start as /dev/md8
From: Roman Mamedov<rm@xxxxxxxxxx>
To: Yann Ormanns<yann-ormanns@xxxxxx>
Date: 2011-04-08 16:15 (+0600)
After you do various changes to your mdadm.conf, don't forget to update your
initrd. AFAIK mdadm.conf is copied into the compressed initrd image to be used
early at boot, and this copy has to be kept in sync with your version in /etc.
Typically you can update initrd for all installed kernels by running something
like:
update-initramfs -k all -u
Thank you for your quick response. I do not use an initrd - during the
boot process the kernel reconnects and assembles md1,md2,md3,md5,md6 and
md7 (these are all RAID1) without any problems. Only the assembly of the
RAID6 does not work at all.
Do you have perhaps old raid metadata on the disks? Are you certain you
have no raid metadata on the whole disks?
you can check with mdadm --Examine /dev/sdc
Cheers
Rudy
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