Hi all! Recently we acquired a UPS Liebert (Emerson) PS1440RT2-230 where I was investigating on the existence of some client for Debian GNU/Linux, but the unique one that I could find provided by Emerson requires of a X server.
Since this host is a server, it would not be serving a graphical client. Due to this, I'm working in script that can get the state of the UPS battery using SNMP with snmpwalk. From the web interface I could obtain in "Support-> Summary -> SNMP Capabilities -> Parameters" the OIDs corresponding to the estimated minutes remaining and the estimated charge remaining and both seem to work: Estimated minutes remaining: beta-new:~# snmpwalk 10.0.0.153 -c community -v1 1.3.6.1.2.1.33.1.2.3.0 SNMPv2-SMI::mib-2.33.1.2.3.0 = INTEGER: 60 Estimated charge remaining: beta-new:~# snmpwalk 10.0.0.153 -c community -v1 1.3.6.1.2.1.33.1.2.4.0 SNMPv2-SMI::mib-2.33.1.2.4.0 = INTEGER: 100 The problem with this is that also I would need to know some parameter that it indicates if the UPS is working on battery mode, because if I also do not verify this, after the restitution of the electrical provision, the host could doing a shutdown if the script makes the verification of battery autonomy and this not yet exceeded the determined limit. Reading the RFC 1628 [1] (UPS Management Information Base), it could be done with upsSecondsOnBattery, although I don't see listing it in the OIDs of the web interface. Could also be done this with upsOutputSource (upsOutputSource not equal to 3)? Perhaps although already there is some client (Debian package) which contemplates all these considerations and I'm trying to re-invent the wheel :-) Thanks in advance for your reply. Regards, Daniel [1] http://tools.ietf.org/html/rfc1628 -- Fingerprint: BFB3 08D6 B4D1 31B2 72B9 29CE 6696 BF1B 14E6 1D37 Powered by Debian GNU/Linux Lenny - Linux user #188.598
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