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Bug#505111: Proposed (naive) patch for mdadm RAID auto-assembly in rescue mode



On Sat, Nov 29, 2008 at 06:50:55PM +0100, Christian Perrier wrote:
> After Martin's bug report, not much happened to that RC issue in
> rescue, which is likely to destroy users' data in some situations.
> 
> The very naive way to try fixing this is in the attached patch:
> dropping auto-assembly aof RAID arrays by mdadm.
> 
> Is this too naive or could it be seen as a valuable safe solution to
> that problem?
> 

This way doesn't work. It does literally nothing (as it takes away a
setting that was already the default). The correct way to do what
Christian is trying to do is to remove that whole line, and the one
before it if nothing else is using /tmp/mdadm.conf.

Though Frans shot down the "dropping auto-assembly aof RAID arrays by
mdadm" idea on IRC..

> 
> 
> -- 
> 
> 

> --- rescue-mode.postinst.old	2008-11-29 18:45:57.385261753 +0100
> +++ rescue-mode.postinst	2008-11-29 18:46:11.289261411 +0100
> @@ -84,7 +84,7 @@
>  log-output -t rescue --pass-stdout \
>  	   mdadm --examine --scan --config=partitions > /tmp/mdadm.conf || true
>  log-output -t rescue \
> -	   mdadm --assemble --scan --run --config=/tmp/mdadm.conf --auto=yes || true
> +	   mdadm --assemble --scan --run --config=/tmp/mdadm.conf || true
>  
>  # LVM support
>  try_load_module dm-mod




-- 
_________________________
Ryan Niebur
ryanryan52@gmail.com

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