Nigel Kendrick spake the following on 10/5/2006 12:45
PM:> Apologies if you get this twice - the first one didn't seem to make
it...
>
> Hi Guys,
>
> I have just replaced a faulty Max...woah, wait...this one's a
Seagate... IDE
> hard disk but I cannot remake the software raid pair.
>
> The currently running disk is hda and I am trying to add back hdg - both
are
> master drives on separate controllers.
>
> I have run fdisk on hdg and created the same partition structure as had and
> changed their types to 'fd' but when I try and rebuild the array I
get:
>
> mdadm /dev/md0 -a /dev/hdg1
>
> mdadm: hot add failed for /dev/hdg1: Invalid argument
>
> If I look at /var/log/messages, I have:
>
> Oct 5 16:04:39 petdoctors kernel: md: could not bd_claim hdg1.
> Oct 5 16:04:39 petdoctors kernel: md: error, md_import_device() returned
> -16
>
>>From other postings, this seems to imply the hdg1 partition is mounted
but I
> can find no evidence of this (df or cat /proc/mounts or lsof). I have done
> sone googling and found others having fun with this but no specific
> solution.
>
> Anyone?
Maybe the table didn't get re-read after fdisk was done. I usually use
sfdisk
just because I can copy a partition table without making my usual fat-fingered
typos. Are you sure that the new drive isn't smaller than the old? Even by a
few cylinders.
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