2010/1/21 Jimmy Stewpot <[email protected]>:
> Hello,
>
> Is it possible to grow Linux software RAID volumes after the initial 
> deployment. For example can we have a RAID5 array with 3 drives and then add 
> an extra drive later? Is the Linux software raid intelligent enough to move 
> the blocks of data around to take advantage of the additional redundancy that 
> we would have from 4 drives?
> I am guessing that if its possible it would be a two step process. One would 
> be adding the drive into the software raid set. Then the second would be 
> increasing the file systems size?
>
> any feedback would be great.
>
> Jimmy.
>
Yes it is
Just take a look at that.
http://raid.wiki.kernel.org/index.php/Growing
I cannot possibly explain that better.

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