On 25/07/2021 23:45, Alfie Pates wrote:
When I was looking @ putting video encoding compute boxes in a colo with
metered power, I played with wake-on-demand to only spin them up when
they actually had jobs to do.
I was using Proxmox' built in WoL nonsense along with some terrifying
calendar automation to schedule boxes being alive.
Someone who cared a little bit more could probably write quite a nice
thing where you can "book" time and have a box/boxes spin up, and
gracefully shut down when done.
Hi, Alfie.
These servers run the LizardFS SDS and need to be on 24/7 because I'm
using ec(2,2) redundancy. The disks do spin down when not in use, but
many of the jobs I run take several days anyway and from what I've read
recently on the Beowulf mailing list, the consequences of switching
systems off/on to conserver power are dramatically shortened lifetime
for the hardware, so I'm not thinking of going down that route.
Apropos of very little, I used to heat my old flat's bedroom w/ a box
because the central heating in that flat was *so bad* that it was
cheaper to get the company to pay me for colo! Lived under the bed -
Terrible place for a computer.
I'm presently heating our study a lot more than I really want to, so the
systems are going into my garage again.
I've now decided not to pursue the idea of 57North hosting my servers.
Thanks for your thoughts,
Tony.
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