[mythtv-users] Dec 2008 - State of the Art - Hard Drive Recommendations?
andrew at monolithmc.com
Thu Dec 18 20:15:26 UTC 2008
On Thu, Dec 18, 2008 at 3:10 PM, <f-myth-users at media.mit.edu> wrote:
> > Date: Thu, 18 Dec 2008 14:18:34 -0500
> > From: "Michael T. Dean" <mtdean at thirdcontact.com>
> > All 3 of my 1.5TB HDD's I got from newegg were shipped with enough
> > bubble wrap wrapped and taped around it that I couldn't even see the
> > drive underneath. Also, 2 of them--the most-recent 2--were packed
> > enough styrofoam peanuts or paper that the drive didn't move inside
> That sure sounds encouraging. Were these coming from the CA
> warehouse, NJ, or somewhere else? (You live in FL, do you not?
> I dunno if Newegg has warehouses near there.)
> > box. I'd guess the most-recent 2 were better packaged because of all
> > the people complaining about the packaging.
> I hope so. The reviews seem to come & go about shipping quality.
> I wonder if it's a warehouse thing or a how-busy-we-are thing.
> But if the two reports here so far are any indicatation (N=2! that's
> statistically significant! :), then there may be a whole lotta sample
> bias at Newegg. I'll spend the evening totalling up non-firmware-related
> gripes and compare to the 1T's from various vendors.
> > Also, when you note:
> > -----
> > All shock specifications assume that the drive is mounted securely
> > the input shock applied at the drive mounting screws. Shock may be
> ...which has -nothing- to do with what happens when it's shocked in
> transit, since it's not screwed into an external frame. Many of those
> shocks will be to the top metal plate---the one that says "don't push
> > applied in the X, Y or Z axis.
> > ...
> > The nonoperating shock level that the drive can experience without
> > incurring physical damage or degradation in performance when
> > subsequently put into operation is 300 Gs based on a nonrepetitive
> In other words, "you get to drop it -once- only".
> > half-sine shock pulse of 2 msec duration.
> > -----
> > Today's drives aren't your grandfather's HDD's--you know, the ones
> > couldn't ever be moved. Thank the boom in the laptop market for the
> > increased shock resistance.
> Nonetheless---dropping a component 1m to a concrete floor can shock it
> 300G, which is why many boy-they-look-tough things like individual
> transistor nevertheless say "fragile". And a 1m drop is pretty likely
> for many delivery services if they aren't being careful, so the
> padding is essential. (I still remember the 20-year-old story about
> the time we saw someone push a monitor box off the back of his truck
> directly to the ground near our loading dock, and how the person who
> saw it ran down and insisted that the shipper open the box right then
> and there before he drove away. Yup, giant crack and imploded CRT...
> or another of our employees whose father worked for USPS where they
> had a sport of trying to -bounce- the packages marked fragile against
> each other in midair so that each landed in the appropriately-labelled
> bin... *sigh* :)
> [Certainly when I have things delivered to my house, I can -hear- a
> tremendous -thump- if the UPS guy thinks it's "just a box" and throws
> it the last meter or so to its destination.]
> > So, just get Tom's Hardware (or whomever) to do some real-world tests
> > see how well today's HDD's tolerate shock under various conditions
> > and bubble wrapped drives dropped onto various surfaces from various
> > heights with various areas--side, bottom, corner--making first contact
> > as well as drives in boxes, with various packaging methods). I'd read
> > the article.
> So would I.
> (But it might be sorta -expensive- to research... :)
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