Re: mdadm create keeps giving error about existing file system

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On Tuesday September 21, admin@xxxxxxxxxxxxxx wrote:
> While trying to create a software raid set:
> with the following command:
> mdadm --create etc etc etc
> The correct syntax.
> 
> I get the following error:
> "/dev/blah appears to contain an ext2fs file system"
> 
> I have tried the following methods to resolve the error:
> 1.) deleting the partition,
> then remaking the partiton with a different partition type.
> including the compulsory reboots.
> 
> 2.) clearing the superblock.
> mdadm --zero-superblock /dev/partition
> 
> Any ideas?

It's not an error, it is a warning. 
After the warning, it asks you if you really want to create the raid
array.

Just say "yes".

> Just dd the parition?

no point.

NeilBrown
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