On Jun 20, 2013, at 10:35 AM, Louis Chaillet wrote: > With respect clarification of the documentation (and reference to your > question Charles). The documentation does suggest that you can shutdown the > ups by the upsdrvclt shutdown [ups] command. Specifically in > "http://www.networkupstools.org/docs/man/upsdrvctl.html"; in the section > commands under warning. In the "Network UPS Tools User Manual" (pdf) under > section 6.3.2 in the last paragraph it is suggested to first test the > /usr/local/ups/bin/upsdrvctl -t shutdown and then "upsmon -c fsd". Also this > section suggests that under some circumstances you cannot rely on the > shutdown sequence to issue this command.
Thanks, noted. > However the real reason I tried "upsdrctl -c shutdown" (not the test) is that > I already tested the setup with the "upsmon -c fsd". The results is that the > server closes down, as expected, but ups does not shutdown, and so there is > no restart of the server. > > I was guessing it has to do with the particular shutdown command of the > server I have, which was "SHUTDOWNCMD "/usr/lib/web-admin/backend.pl > power_off"". And I was trying to fix that by calling the upsdrvctl shutdown > command directly from a script. > > As I do not use the packaged (debian) shutdown script (/sbin/shutdown) do I > need to tell the ups to power down myself, as suggested in the > documentation (configuration notes, see reference above)? I haven't traced through the Debian shutdown sequence recently, but I think that they call "upsdrvctl shutdown" after the rest of the system processes have shut down (including the NUT driver). That should avoid the "device or resource busy" error - only one process can open the UPS USB device node at a time. -- Charles Lepple A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail?
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