Uninterruptible power supply: Difference between revisions
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Starfish2228 (talk | contribs) →Delay UPS Shutdown: remove redundant section, as similar code is already present in NixOS |
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* upsd.conf, control access to upsd, power.ups.upsd option | * upsd.conf, control access to upsd, power.ups.upsd option | ||
* upsd.users, add user with access to upsd, power.ups.users option | * upsd.users, add user with access to upsd, power.ups.users option | ||
* upsmon.conf, connect to upsd, power.ups.upsmon.monitor section; | * upsmon.conf, connect upsmon to upsd, power.ups.upsmon.monitor section; | ||
* upsmon.conf, set how upsmon should react to status changes, power.ups.upsmon.settings section | * upsmon.conf, set how upsmon should react to status changes, power.ups.upsmon.settings section | ||
* delayed UPS shutdown systemd unit, to make Restore Power on AC Return BIOS option functional, systemd.services.nut-delayed-ups-shutdown section | * delayed UPS shutdown systemd unit, to make Restore Power on AC Return BIOS option functional, systemd.services.nut-delayed-ups-shutdown section | ||
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# this UPS device is named UPS-1. | # this UPS device is named UPS-1. | ||
ups."UPS-1" = { | ups."UPS-1" = { | ||
description = "Eaton Ellipse ECO 650 with 12V 7Ah Batt"; | description = "Eaton Ellipse ECO 650 with 12V 7Ah lead-acid Batt"; | ||
# driver name from https://networkupstools.org/stable-hcl.html | # driver name from https://networkupstools.org/stable-hcl.html | ||
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# after offdelay seconds, the UPS power must be cut, even if | # after offdelay seconds, the UPS power must be cut, even if | ||
# wall power returns. | # wall power returns. | ||
# There is a danger that the system will take longer than the default 20 seconds to shut down. | |||
# If that were to happen, the UPS shutdown would provoke a brutal system crash. | |||
# We adjust offdelay, to solve this issue. | |||
"offdelay = 60" | "offdelay = 60" | ||
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# "Restore power on AC" should now power on the system. | # "Restore power on AC" should now power on the system. | ||
# For reasons described above, ondelay value must be larger than offdelay value. | # For reasons described above, ondelay value must be larger than offdelay value. | ||
# We adjust ondelay, to ensure Restore power on AC option returns to Power Disconnected state. | |||
"ondelay = 70" | "ondelay = 70" | ||
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# upsmon initiate shutdown once this threshold is reached. | # upsmon initiate shutdown once this threshold is reached. | ||
"lowbatt = 40" | "lowbatt = 40" | ||
# ignore it if the UPS reports a low battery condition | |||
# without this, system will shutdown only when ups reports lb, | |||
# not respecting lowbatt option | |||
"ignorelb" | |||
]; | ]; | ||
}; | }; | ||
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# declarations. upsd.users | # declarations. upsd.users | ||
users."nut-admin" = { | users."nut-admin" = { | ||
passwordFile = | # A file that contains just the password. | ||
passwordFile = "/etc/nixos/ups-passwd.txt"; | |||
upsmon = "primary"; | upsmon = "primary"; | ||
}; | }; | ||
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powerValue = 1; | powerValue = 1; | ||
user = "nut-admin"; | user = "nut-admin"; | ||
passwordFile = | passwordFile = "/etc/nixos/ups-passwd.txt"; | ||
type = "primary"; | type = "primary"; | ||
}; | }; | ||
| Line 194: | Line 205: | ||
}; | }; | ||
</syntaxhighlight> | </syntaxhighlight> | ||
[[Category:Hardware]] | |||