[clug-talk] WD Green HDD's with ZFS

Gustin Johnson gustin at meganerd.ca
Mon Mar 26 01:54:47 PDT 2012


Even with access to nice RAID controllers, I am now solidly in the software
(Linux only) RAID camp, unless you absolutely need the slight performance
increase in the hardware solution.  The ability to yank the drives out and
put them into any computer, even one without a RAID controller is beyond
nice.

I got burned by a failed 3ware controller.  It worked great for years, then
when it died a replacement was hard to find.  To upgrade to a newer
controller I had to run some software to prep the drives for the new
controller.  Unfortunately the old drives were unaccessable until I could
track down a replacement controller on ebay.  Not fun.

This is less of an issue at work, though we now use a storage
appliace/array and physical servers are rare (nearly everything lives on a
Xen cluster).
On Sun, Mar 25, 2012 at 10:50 PM, Andrew J. Kopciuch <akopciuch at bddf.ca>wrote:

> On March 25, 2012, Gustin Johnson wrote:
> > The feature that they removed is not that big of a problem if you are
> using
> > mdadm to create the array (which is what I do).
> >
> > See here for more info on this:
> > http://en.wikipedia.org/wiki/Error_recovery_control
> >
>
>
>
> Right.   I did think about mentioning that, but forgot in my first email.
> It's a good point to bring up.
>
> Although if you are building a production quality server, I'd just as soon
> get
> a good RAID controller, and proper drives that work with the controller.
> That's just me though.
>
>
> Andy
>
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