Re: OT: harddrive addition for RAID
On Mon, 17 Oct 2011 23:09:04 +0100
Raf Czlonka <rjc@linuxstuff.pl> wrote:
> 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,
Thanks Raf,
I'll check the spec with care, and make sure they are the same before proceeding.
Best wishes / 73
Richard Bown
e-mail: richard@g8jvm.com or richard.bown@blueyonder.co.uk
nil carborundum a illegitemis
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