Re: [PLUG] iSCSI storage appliance(s)

["Gavin W. Burris" <bug@wharton.upenn.edu>]

Hi, Rich.

I remember shouting in the server room one day, "mdadm, never again!"
So, haha, yeah.

Cheers.

On Fri 05/09/14 04:09PM -0400, Rich Freeman wrote:
> On Fri, May 9, 2014 at 4:05 PM, Gavin W. Burris <bug@wharton.upenn.edu> wrote:
> > I've never operated a large storage system that didn't have a solid
> > hardware raid controller.  The through-put, cache and battery backup
> > that a good controller provides are important.  I admit I'm biased,
> > because I've had nothing but bad experiences with software raid.
> 
> Does that include mdadm?  I've never had a problem with it, but I
> don't run large SANs or anything like that.
> 
> One big advantage of mdadm is flexibility - a typical hardware RAID is
> limited to a bunch of drives of the same size (or at least it won't
> use more space on each than that available in the smallest drive).
> Software RAID is much more flexible, usually allows reshaping, and so
> on.
> 
> Rich
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-- 
Gavin W. Burris
Senior Project Leader for Research Computing
The Wharton School
University of Pennsylvania
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