On June 21, 2017 5:26:47 PM GMT+02:00, Tim Dawson <tadaw...@tpcsvc.com> wrote: >My thought of #2 require none of that . . . I have a server with two >supplies, and two UPS units. One supply is on each UPS, and clients are >distributed otherwise to balance. The main thing is to ensure that it >is documented accurately how to config so that the server only shuts >down when the *second* unit hits low battery . . . I found the info on >this topic almost nonexistent at present . . . > >- Tim > >On June 21, 2017 4:38:53 AM CDT, Roger Price <ro...@rogerprice.org> >wrote: >>On Tue, 13 Jun 2017, Tim Dawson wrote: >> >>> Allow me to suggest a couple more sample configs: 1) Server as UPS >>> controller with clients that are also on UPS, considering shutdown >>> sequencing and >> >>It would be good to add this, but I lack the depth of understanding >>needed >>to write a tutorial. For example I do not understand the "magic" of >>shutdown sequencing. >> >>> 2) Multi power supply server with multiple UPS (with or without >>> clients). >> >>A tutorial to cover this needs to talk about cabling, automatic >>transfer >>switches, the management of possibly brutal phase shifting and other >>electrical engineering problems as well as the nut configuration. >It's >>an >>interesting subject, but well beyond my experience. >> >>If you would like to draft a chapter, I would be happy to include it. >>A >>simple ascii file with no formatting or markup is sufficient. >> >>Roger >> >> >>_______________________________________________ >>Nut-upsdev mailing list >>Nut-upsdev@lists.alioth.debian.org >>http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsdev
That example is rather simple and is covered in original NUT docs and/or example config-file comments. Set up two driver sections in ups.conf, and an upsmon with two MONITOR entries powering one PSU each, and a single required power supply. That's about it. Jim -- Typos courtesy of K-9 Mail on my Redmi Android _______________________________________________ Nut-upsdev mailing list Nut-upsdev@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsdev