<div dir="ltr">The engine hoist is just superb! The right tool for the job.<div>Thinking about this, old style factories had overhead cranes. At Glasgow University we had a cyclotron, and I am told one of the professors took a great joy in driving the crane.</div><div>The Tate Modern art gallery has a huge overhead crane, kept to remind of the original purpose of the building (a power station).</div><div><br></div><div>Thinking about server rooms we have electrical and communications services dropping down into racks from the top.</div><div>So a travelling crane would foul against the services - unless it was higher.</div><div>How about positioning steel I-beams running along all cold aisles though? You could run an engine hoist along these with a cradle below it for the server.</div><div>Sealed hot/cold aisles need not be a problem - often they have lift off panels in the roof.</div><div><br></div><div>Probably easier to have a server lift but one can dream...</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 20 Oct 2021 at 09:49, Tina Friedrich <<a href="mailto:tina.friedrich@it.ox.ac.uk">tina.friedrich@it.ox.ac.uk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">+1 for the manual<br>
<br>
We had an electric scissor lift in the DC, and exactly that happened - <br>
battery died. More expensive to replace than buying a new lift.<br>
<br>
So we got a manual one (making sure it can go to full rack height which <br>
is very useful) - much less likely to go wrong.<br>
<br>
Tina<br>
<br>
On 19/10/2021 18:40, Robert Taylor wrote:<br>
> I like the serverlift, having used one in our colo. If I got one, I <br>
> would go with the crank one. Electric is nice, but when the battery is <br>
> dead, you're stuck. Maybe it would have run off of wall power, but our <br>
> colo space is all 208v so I couldn't be sure if I could plug it in <br>
> there. Don't want to let out the blue smoke.... :-)<br>
> <br>
> <br>
> <br>
> On Tue, Oct 19, 2021 at 12:47 PM Michael Di Domenico <br>
> <<a href="mailto:mdidomenico4@gmail.com" target="_blank">mdidomenico4@gmail.com</a> <mailto:<a href="mailto:mdidomenico4@gmail.com" target="_blank">mdidomenico4@gmail.com</a>>> wrote:<br>
> <br>
> i would love to go oil bath, it's just not in the cards for this<br>
> data center<br>
> <br>
> On Tue, Oct 19, 2021 at 2:34 AM Stu Midgley <<a href="mailto:sdm900@gmail.com" target="_blank">sdm900@gmail.com</a><br>
> <mailto:<a href="mailto:sdm900@gmail.com" target="_blank">sdm900@gmail.com</a>>> wrote:<br>
> <br>
> we use a gantry crane...<br>
> <br>
> From our install in 2019 :)<br>
> <br>
> image.png<br>
> <br>
> On Tue, Oct 19, 2021 at 9:34 AM Lux, Jim (US 7140) via Beowulf<br>
> <<a href="mailto:beowulf@beowulf.org" target="_blank">beowulf@beowulf.org</a> <mailto:<a href="mailto:beowulf@beowulf.org" target="_blank">beowulf@beowulf.org</a>>> wrote:<br>
> <br>
> Do you want one with a scissor lift type arrangement, or<br>
> with a "prongs" arrangement (more like a forklift)<br>
> <br>
> For instance, the scissor types have a nice flat surface<br>
> that remains level, so you can slide stuff off a table onto<br>
> the lift, or from the lift onto a table. But you don't have<br>
> access "under" the platform.<br>
> <br>
> <br>
> On 10/18/21, 7:33 AM, "Beowulf on behalf of Michael Di<br>
> Domenico" <<a href="mailto:beowulf-bounces@beowulf.org" target="_blank">beowulf-bounces@beowulf.org</a><br>
> <mailto:<a href="mailto:beowulf-bounces@beowulf.org" target="_blank">beowulf-bounces@beowulf.org</a>> on behalf of<br>
> <a href="mailto:mdidomenico4@gmail.com" target="_blank">mdidomenico4@gmail.com</a> <mailto:<a href="mailto:mdidomenico4@gmail.com" target="_blank">mdidomenico4@gmail.com</a>>> wrote:<br>
> <br>
> we're using an older genie lift as a server lift<br>
> currently. which as<br>
> you can guess isn't designed for servers. the most<br>
> recent set of<br>
> compute nodes we purchased are pretty much impossible<br>
> to lift by man<br>
> (even if that was a good idea) and the genie lift is<br>
> getting awkward<br>
> in our cramped data center given it's design and server<br>
> weight.<br>
> <br>
> i can certainly google for one, but they all look great<br>
> in the<br>
> glossies. does anyone want to provide some real world<br>
> info?<br>
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> <br>
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> <br>
> <br>
> <br>
> -- <br>
> Dr Stuart Midgley<br>
> <a href="mailto:sdm900@gmail.com" target="_blank">sdm900@gmail.com</a> <mailto:<a href="mailto:sdm900@gmail.com" target="_blank">sdm900@gmail.com</a>><br>
> <br>
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<br>
-- <br>
Tina Friedrich, Advanced Research Computing Snr HPC Systems Administrator<br>
<br>
Research Computing and Support Services<br>
IT Services, University of Oxford<br>
<a href="http://www.arc.ox.ac.uk" rel="noreferrer" target="_blank">http://www.arc.ox.ac.uk</a> <a href="http://www.it.ox.ac.uk" rel="noreferrer" target="_blank">http://www.it.ox.ac.uk</a><br>
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</blockquote></div>