Re: OT: harddrive addition for RAID
On Mon, Oct 17, 2011 at 06:12:00PM BST, Camaleón wrote:
> > 1. does the HD need to be exactly the same as the one its being paired
> > with ?
>
> Not necessarily, but you will lose the remainder difference space between
> the smallest and the bigger of the disks. If you were referring to the
> brand/model/serial number of the disks some people think is better they
> exactly match (me) others think the opposite.
It's not just size that matters ;^)
If you'd like your RAID array to perform better it's always better to
have the disks identical - cache size, speed, etc. If you have drives
which don't match, essentially your RAID will perform as good as your
worst drive.
Regards,
--
Raf
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