galtsev at kicp.uchicago.edu
Tue Apr 19 20:57:59 UTC 2016
On Tue, April 19, 2016 3:43 pm, Michael Powell wrote:
> Valeri Galtsev wrote:
>> On Tue, April 19, 2016 9:38 am, Steve O'Hara-Smith wrote:
>>> On Mon, 18 Apr 2016 17:05:22 -0500 (CDT)
>>> "Valeri Galtsev" <galtsev at kicp.uchicago.edu> wrote:
>>>> Not correct. First of all, in most of the cases, failure of each of
>>>> drives are independent events
>>> If only that were so. When the drives are as near identical as
>>> manufacturing can make them and have had very similar histories they
>>> expected to have very similar wear and be similarly close to failure at
>>> times, which makes it likely that the load imposed by one failing will
>>> another over.
>> Sigh. You need suggest some physics that will make one drive affect
>> another (aged or not aged doesn't matter for me). Then you will have me
>> your team.
> Vibration is kinetic energy. :-)
Cool! No I don't think drives in my enclosures resonate in unison. Fans
give enclosure much more vibration IMHO. Further, how died drive changes
that vibration pattern and causes another drive go bad with him!?
I guess, you go to your church and I go to mine (read: University Physics
or Mathematics class instead of church ;-)
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Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
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