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Date: Wed, 9 May 2012 16:37:33 -0700
Message-ID: <CAK2H+efzgqFXwZHSn=HQdTRPFmrdX7GhsxvtQvwK79R1AhV22Q@mail.gmail.com>
Subject: Re: [gentoo-user] Are those "green" drives any good?
From: Mark Knecht <markknecht@gmail.com>
To: gentoo-user@lists.gentoo.org
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On Wed, May 9, 2012 at 3:24 PM, Dale <rdalek1967@gmail.com> wrote:
> Alan McKinnon wrote:
<SNIP>
>> My thoughts these days is that nobody really makes a bad drive anymore.
>> Like cars[1], they're all good and do what it says on the box. Same
>> with bikes[2].
>>
>> A manufacturer may have some bad luck and a product range is less than
>> perfect, but even that is quite rare and most stuff ups can be fixed
>> with new firmware. So it's all good.
>
>
> That's my thoughts too. =C2=A0It doesn't matter what brand you go with, t=
hey
> all have some sort of failure at some point. =C2=A0They are not built to =
last
> forever and there is always the random failure, even when a week old.
> It's usually the loss of important data and not having a backup that
> makes it sooooo bad. =C2=A0I'm not real picky on brand as long as it is a
> company I have heard of.
>
One thing to keep in mind is statistics. For a single drive by itself
it hardly matters anymore what you buy. You cannot predict the
failure. However if you buy multiple identical drives at the same time
then most likely you will either get all good drives or (possibly) a
bunch of drives that suffer from similar defects and all start failing
at the same point in their life cycle. For RAID arrays it's
measurably best to buy drives that come from different manufacturing
lots, better from different factories, and maybe even from different
companies. Then, if a drive fails, assuming the failure is really the
fault of the drive and not some local issue like power sources or ESD
events, etc., it's less likely other drives in the box will fail at
the same time.
Cheers,
Mark