Extending RAID
Antony Gelberg
antony at wayforth.co.uk
Mon May 8 14:03:22 UTC 2006
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.
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