chribonn at duck.com
2024-Mar-10 06:53 UTC
[Nut-upsuser] Cyber Power System CP1500 AVR UPS: changing battery.charge.low value [ups.delay.start sidebar]
Thanks Charles for the clarification. If NUT cannot control it then removing it would, IMO add value. On Sun, 10 Mar 2024 at 00:14, Charles Lepple < clepple_at_gmail.com_chribonn at duck.com> wrote:> On Mar 9, 2024, at 5:16?PM, chribonn at duck.com wrote: > > > > The posting at > https://github.com/networkupstools/nut/issues/432#issuecomment-405371395 > references ups.delay.start and suggests setting it to -1. > > > > upsrw -l pve1 at localhost listed this as modifiable but any attempt at > modifying the value failed. I used the override.ups.delay.start = -1 in > nut.conf and this is now being reported. > > My original suggestion (which implies the use of override.*) is mainly for > setting values that the UPS driver uses to decide when to shut down (if it > is told to ignore the UPS LB flag, and must calculate the LB condition in > the driver). > > ups.delay.start is a value that is only interpreted by the UPS hardware > (the driver just passes it through to upsd/upsc when override.* is not in > play). So IMHO it doesn't make sense to override it, unless you have > something else that needs to read it. In most cases, the startup delay > happens when NUT is not running yet (assuming the machine with upsd/driver > is powered by that UPS). > > If the UPS won't let you change a delay variable, then I don't think > override is going to help here. > > > Two observations are that once a variable setting is overridden, upsrw > -w will not show these values. Is it by design? > > > Others will have to speak to the design rationale of override.* and > default.*, but I guess I tend to think of override.* as hard-coding a value > in the driver (and therefore something that I wouldn't attempt to change > with upsrw, but with the conf file instead). I guess that probably means > the variable should be removed from the list of read/write variables.-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://alioth-lists.debian.net/pipermail/nut-upsuser/attachments/20240310/ce441c48/attachment-0001.htm>
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