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Re: Adding third drive to existing raid0 set



On Wed, Sep 19, 2007 at 01:47:46PM -0400, Tom Moore wrote:
> Hi guys.
> I've got a machine with two drives in a raid0 config.
> I've added a third drive to this machine. I am not using lvm.
> If I want to add this third drive in to the md device how would I go 
> about doing this?
> I added the third drive in to the mdadm config file and set the 
> partition I want to add as type fd.
> Can I grow the size of the set to fill the entire combined size of all 
> partitions or do I have to start over and recreate the md device from 
> scratch and reload all data from a backup?

from a quick read of man mdadm it appears that "grow"ing an array is
only supported for some raid levels (1,4 and 5 I think) and 0 is not
one of them. 

A

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