The engine hoist is just superb! The right tool for the job. 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. The Tate Modern art gallery has a huge overhead crane, kept to remind of the original purpose of the building (a power station).
Thinking about server rooms we have electrical and communications services dropping down into racks from the top. So a travelling crane would foul against the services - unless it was higher. 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. Sealed hot/cold aisles need not be a problem - often they have lift off panels in the roof. Probably easier to have a server lift but one can dream... On Wed, 20 Oct 2021 at 09:49, Tina Friedrich <tina.friedr...@it.ox.ac.uk> wrote: > +1 for the manual > > We had an electric scissor lift in the DC, and exactly that happened - > battery died. More expensive to replace than buying a new lift. > > So we got a manual one (making sure it can go to full rack height which > is very useful) - much less likely to go wrong. > > Tina > > On 19/10/2021 18:40, Robert Taylor wrote: > > I like the serverlift, having used one in our colo. If I got one, I > > would go with the crank one. Electric is nice, but when the battery is > > dead, you're stuck. Maybe it would have run off of wall power, but our > > colo space is all 208v so I couldn't be sure if I could plug it in > > there. Don't want to let out the blue smoke.... :-) > > > > > > > > On Tue, Oct 19, 2021 at 12:47 PM Michael Di Domenico > > <mdidomeni...@gmail.com <mailto:mdidomeni...@gmail.com>> wrote: > > > > i would love to go oil bath, it's just not in the cards for this > > data center > > > > On Tue, Oct 19, 2021 at 2:34 AM Stu Midgley <sdm...@gmail.com > > <mailto:sdm...@gmail.com>> wrote: > > > > we use a gantry crane... > > > > From our install in 2019 :) > > > > image.png > > > > On Tue, Oct 19, 2021 at 9:34 AM Lux, Jim (US 7140) via Beowulf > > <beowulf@beowulf.org <mailto:beowulf@beowulf.org>> wrote: > > > > Do you want one with a scissor lift type arrangement, or > > with a "prongs" arrangement (more like a forklift) > > > > For instance, the scissor types have a nice flat surface > > that remains level, so you can slide stuff off a table onto > > the lift, or from the lift onto a table. But you don't have > > access "under" the platform. > > > > > > On 10/18/21, 7:33 AM, "Beowulf on behalf of Michael Di > > Domenico" <beowulf-boun...@beowulf.org > > <mailto:beowulf-boun...@beowulf.org> on behalf of > > mdidomeni...@gmail.com <mailto:mdidomeni...@gmail.com>> > wrote: > > > > we're using an older genie lift as a server lift > > currently. which as > > you can guess isn't designed for servers. the most > > recent set of > > compute nodes we purchased are pretty much impossible > > to lift by man > > (even if that was a good idea) and the genie lift is > > getting awkward > > in our cramped data center given it's design and server > > weight. > > > > i can certainly google for one, but they all look great > > in the > > glossies. does anyone want to provide some real world > > info? > > _______________________________________________ > > Beowulf mailing list, Beowulf@beowulf.org > > <mailto:Beowulf@beowulf.org> sponsored by Penguin Computing > > To change your subscription (digest mode or > > unsubscribe) visit > > > https://urldefense.us/v3/__https://beowulf.org/cgi-bin/mailman/listinfo/beowulf__;!!PvBDto6Hs4WbVuu7!YJuZvpOsx3S9-WpmbnljrU2N33GRjVe386v7Qt2vtX5ZP7MjYvhNsEgTlTu2j7XsL0xiP5c$ > > < > https://urldefense.us/v3/__https://beowulf.org/cgi-bin/mailman/listinfo/beowulf__;!!PvBDto6Hs4WbVuu7!YJuZvpOsx3S9-WpmbnljrU2N33GRjVe386v7Qt2vtX5ZP7MjYvhNsEgTlTu2j7XsL0xiP5c$ > > > > > > > > _______________________________________________ > > Beowulf mailing list, Beowulf@beowulf.org > > <mailto:Beowulf@beowulf.org> sponsored by Penguin Computing > > To change your subscription (digest mode or unsubscribe) > > visit https://beowulf.org/cgi-bin/mailman/listinfo/beowulf > > <https://beowulf.org/cgi-bin/mailman/listinfo/beowulf> > > > > > > > > -- > > Dr Stuart Midgley > > sdm...@gmail.com <mailto:sdm...@gmail.com> > > > > _______________________________________________ > > Beowulf mailing list, Beowulf@beowulf.org > > <mailto:Beowulf@beowulf.org> sponsored by Penguin Computing > > To change your subscription (digest mode or unsubscribe) visit > > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf > > <https://beowulf.org/cgi-bin/mailman/listinfo/beowulf> > > > > > > _______________________________________________ > > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf > > > > -- > Tina Friedrich, Advanced Research Computing Snr HPC Systems Administrator > > Research Computing and Support Services > IT Services, University of Oxford > http://www.arc.ox.ac.uk http://www.it.ox.ac.uk > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf >
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