It’s Sun, not NetApp, but you get the point.

http://www.youtube.com/watch?v=tDacjrSCeq4

Jeff Kennedy

Qualcomm, Incorporated

QCT Engineering Compute

858-651-6592

From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Nils Vogels
Sent: Tuesday, March 10, 2009 2:39 AM
To: Willeke, Jochen
Cc: toasters@mathworks.com
Subject: Re: maximum agitation to a filer

Hey Jochen,

The weakest part in this is most likely the disks, they will start failing more rapidly if they have to deal with shaking grounds etc. Offcourse, most disks can handle shocks up to 3G according to the manufacturers, my experience tells me that when you have movement of a a cm per second, disks will start failing about twice as fast. Keep spares.

Heads dont contain any seriously moving parts, so as long as you keep the fans blowing, they tend to be fine as long as your 19" rack is standing up.

My experience comes from a system that was in a datacenter while they were demolishing the building nextdoor, which was attached to the building. Gotta love steel-enforced concrete.

HTH & HAND!

On Tue, Mar 10, 2009 at 10:15 AM, Willeke, Jochen <Jochen.Willeke@wincor-nixdorf.com> wrote:

Hi toasters,

does anybody have a clue whats the maximum agitation is, a filer can
handle?

Maybe there is an official statement from netapp?!?

The background is, that our facility-department is planing to start some
aktivities near to our datacenter and we are afraid of any impact and
want to give them some limits.

Thankful for any thoughts!

Regards

Jochen

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