Extending RAID

[Antony Gelberg]

Morten W. J. wrote:
> Hi all.
> 
> Having an amount of data on my computer that doesn't seem to stop growing my 
> wasy of organizing things is about to hit the roof of my harddrive.
> Therefore I plan to use the "md" thingy to RAID two harddrives into a larger 
> storage facility. Backup is handled by another mechanism so I don't need 
> mirroringg - just more space.
> 
> My question is: When my ever growing data now have filled up both the RAID'ed 
> harddrives, can I then without problems add a third, fourth etc. harddrive to 
> my RAID partition without having to store my data another place during the 
> extending of the RAID parititon. 
> 
> E.g.: If I have two X GB harddrives that are seen as a 2X GB RAID partition 
> 100% filled with data. Can I then stop the RAID services, add a third 
> harddrive of X GB to the pool, restart the RAID service and then have a 3X GB 
> partition 66% filled with data?
> 
> I hope my question makes sense....

Perhaps you should be investigating LVM rather than RAID.