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apcupsd

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apcupsd: daemon for Most APCC's UPS support under Linux and UNIX

NAME

apcupsd - daemon for Most APCC's UPS support under Linux and UNIX

SYNOPSIS

/sbin/apcupsd /sbin/powersc /etc/apcupsd.conf /sbin/apcaccess

DESCRIPTION

This daemon can be used for controlling the APC SmartUPS. During a power failure, "apcupsd" will inform the users about power status. If the power is restored before valid test return TRUE, "apcupsd" will inform users about this fact. If power is not restored, a system shutdown will follow when the battery is exausted, a timeout (seconds) expires, or runtime minutes based on internal values based on power consumption rates. The whole shutdown is now made by script calls to the "/sbin/powersc" file called by "apcupsd", so no changes in the inittab are necessary. There is now no communication between "apcupsd" and init(1) process. The "apcupsd" daemon now supports the networking mode. In this mode, one machine is configured as a master, with UPS attached to the serial port. Other machines (max. 20) are configured as a slaves. Master has a network connection with slaves and send them informations about UPS status. Both Master and Slaves open and close there sockets on a regular basis. If someone gets lost nobody gets to upset. Hewlett Packard : HP PowerTrust 2997A UPS has been tested as a "smartups" with cable Hewlett Packard part number 5061-2575 as "CUSTOM- SMART". Slackware, RedHat, S.u.S.E., Debian, and UNIFIX "FLAVORS" of Linux have direct install support. All other "FLAVORS" of Linux will need some fussing with to get the install correct. Please send me all new install methods that are not listed above or corrections to these for future versions before the final release.
CONFIGURATION
It is necessary to write configuration info to the file "/etc/apcupsd.conf". This file is a plain ASCII file and you can use your favorite editor for configuration. For simple configuration, see enclosed sample file. Configuration commands in /etc/apcupsd.conf are: CONTROL -- <path|filename> /sbin/powersc Name of control script called by "apcupsd". UPSCABLE -- <cable model> [ simple | 940-0020B | 940-0023A (broken) ] [ smart | 940-0024B | 940-0024C | 940-0024G ] [ 940-0095A | 940-0095C ] [ ether ] UPSTYPE -- <Type of APCC UPS> [ backups | sharebasic ] : Simple [ netups ] : Network Simple Signals [ backupspro | smartvsups ] : Sub(barely)Smart [ newbackupspro | backupspropnp ] : Sub(very)Smart [ smartups | matrixups | sharesmart ] : Smart [ backups | netups | backupspro | smartvsups ] and [ newbackupspro | smartups | matrixups ] are tested. [ sharebasic | sharesmart ] models are being tested. UPSCLASS -- <class of operation> [ standalone | shareslave | sharemaster ] and [ netslave | netmaster ] are valid types. [ standalone | netslave | netmaster ] are tested classes. [ shareslave | sharemaster ] classes are being tested. Default for all machines is "standalone". Change to "shareslave" if and only if you are using a ShareUPS and connected to a BASIC Port with Simple Signal. Change to "sharemaster", if and only if you are using a ShareUPS and connected to the ADVANCED Port Smart Signal control. Change to "netslave" if and only if you are not connected to an UPS other than for power. Change to "netmaster", if and only if you are on a TCP/UDP network and connected to an UPS of any kind with other Linux Boxes. UPSMODE -- [ disable | share | net | sharenet ] are valid types. [ disable | net ] are the only known and tested classes. [ share | sharenet ] classes is being tested. BETA [ share ] For two or seven (2/7) additional simple signal ports on a SmartAccessories(tm) (internal/external box) for SmartUPSes. DEVICE -- <name of serial port> Please specify which device is used for UPS communication. The default is /dev/ttyS[0|1|2|3]. LOCKFILE -- <path to lockfile> By supplying this argument, "apcupsd" tries to create a lockfile in the specified directory. ACCESS -- [ true | false ] This enables the use of "apcaccess" interface, on all machines, but for accessing or changing configurations of a running "apcupsd". ANNOY -- <time in seconds> Please specify time in seconds for "apcupsd" to harrass logged in users to get off the system. DELAY -- <time in seconds> Please specify time in seconds for "apcupsd" to delay harrassing logged in users to get off the system. This rate is reset if there is a power state change. If "ANNOY == DELAY" then "DELAY" is disabled. NOLOGON -- <method of setting nologon file> [ disable | timeout | percent | minutes | always ] are valid types. Based on Ten (10) percent of a setting. This allows one to define the point when the /etc/nologin file is added. This is important for allowing systems with BIG UPSes to run as normal until the SA determines the need for dumping users. The feature also allows the SA hold of the "ANNOY" factor until the /etc/nologin file is added. PROCFS -- <time in seconds> Please specify time in seconds for "apcupsd" to update the psuedo proc fs file "/etc/apcupsd.status". This rate is reset if there is a power state change. This will be replaced with "apcaccess 'status'" calls. This will prevent fragmenting and disk access. LOGGING -- <time in seconds> Please specify time in seconds for "apcupsd" to update the log file "/var/log/apcupsd.log". This rate is reset if there is a power state change. Future additions will allow one to select the location of the logfile. TIMEOUT -- <time in seconds> This is the timeout between power failure and system shutdown. The timeout for master is always 30 seconds longer than slaves. BATTERYLEVEL -- <percent of battery> Valid for UPSes capable of Internal EPROM programming. Instead of setting "TIMEOUT", apcupsd can react based on the remaining charge left in the batteries. MINUTES -- <battery runtime in minutes> Valid for UPSes capable of Internal EPROM programming. Instead of setting "TIMEOUT", apcupsd can react based on the internal calculations of runtime in minutes as related to power consumption being drawn on the UPS. SENSITIVITY -- <sets sensitiviy level> Valid for UPSes capable of Internal EPROM programming. (H)igh, (M)edium, (L)ow WAKEUP -- <set wakeup delay> Valid for UPSes capable of Internal EPROM programming. The power restart delay value in [0,60,180,300] Cycles. This is important for those who have high RPM drives that need to spindown or they will fault out when booting. Some SCSI models are very sensitive to this problem. Cycles(*) SLEEP -- <set sleep delay> Valid for UPSes capable of Internal EPROM programming. Delay in [20,180,300,600] Cycles before the actual killpower event. Cycles(*) LOTRANSFER -- <sets lower limit of ups batt. transfer> Valid for UPSes capable of Internal EPROM programming. This sets the low line voltage point to switch over. There are four values that can be selected, but they vary based on the UPS model, classification, and manufacture date. Thus a value ranging from 0-3 are assigned the learned and bubble sorted values. HITRANSFER -- <sets upper limit of ups batt. transfer> Valid for UPSes capable of Internal EPROM programming. This sets the high line voltage point to switch over. There are four values that can be selected, but they vary based on the UPS model, classification, and manufacture date. Thus a value ranging from 0-3 are assigned the learned and bubble sorted values. RETURNCHARGE -- <sets min. batt. charge level> Valid for UPSes capable of Internal EPROM programming. There are four values that can be selected, but they vary based on the UPS model, classification, and manufacture date. Thus a value ranging from 0-3 are assigned the learned and bubble sorted values. BEEPSTATE -- <sets alarm beep state> Valid for UPSes capable of Internal EPROM programming. This allows the setting of the noise maker that many have removed because of the annoyance factor. These settings are based on discrete events related to the remaining capacity of the UPS. 0 always T low batt + 30 L low batt N never UPSNAME -- <string> Only valid for UPSes capable of Internal EPROM programming. This is normally an eight character string, but it currently only handles seven. XXXXCMD's All of the following commands are used to execute external scripts of programs that "apcupsd" does not handle internally. Specifically something like calling a pager or sending email to a System or Network Admin. [ BATTCMD | TIMECMD | LOADCMD | LIMITCMD ] [ PWRCMD | RETCMD | REMOTECMD ] are the seven external commands that can access and report events. BATTCMD -- <path|filename> Name of the program to run when the battery fails. TIMECMD -- <path|filename> Name of the program to run when "TIMEOUT" has expired. LOADCMD -- <path|filename> Name of the program to run when the "BATTERYLEVEL" has dropped below the set limits. LIMITCMD Name of the program to run when the "MINUTES" runtime has dropped below the set limits. PWRCMD -- <path|filename> Name of the program to run when the power fails. RETCMD -- <path|filename> Name of the program to run when the power returns. REMOTECMD -- <path|filename> Name of the program to run when a remote shutdown is called. NETTIME -- <time in seconds> The rate in seconds that broadcasts information to Slave machines. This rate is reset if there is a power state change. This value is now passed to the slaves to sync. the openning of a socket by the slave for the master. NETPORT -- <TCP|UDP port number> This unix service port number must be set in the /etc/services file as follows: tab tab(spacejunk) tab tab name (stuff)/xxp # apcupsd NETPORT/tcp # apcupsd NETPORT/udp # MASTER -- <name of master> for Slave machine. The name of the master which is authorized to send commands to this slave. SLAVE -- <name of slave(s)> for Master machine. The name of the slave machine attached to the master. There can be max. 20 slaves attached to one master. USERMAGIC -- < user defined magic> for Slave machine. The second level of magic security. It must be (17) characters long without spaces. This is passed to the master machine during initialization of sockets. This string should be different for each and every slave on the network.
SMARTUPS
If you start getting the follow message: Emergency, Batteries Have Failed!!!! Change Them NOW!!! Act upon it quickly. It means what it says. Also, not all "SmartUPS" models are eqaully smart. A non-NET or old class of "SmartUPS" has a subset of the full UPSlink(TM) language, and can not be polled for its control codes. TIMEOUT, BATTERYLEVEL, and MINUTES can be set togather without problems. The daemon will react to the first case or test that is valid.

SHAREUPS

Special note for ShareUPS users, TIMEOUT, BATTERYLEVEL, and MINUTES are disabled or set to default values. Currently, there is not a known way of early signals to be sent to BASIC Ports. MINUTES are set to 0.

CABLES

Firstly, you will need the cable between APC Smart UPS and PC computer running Linux. You can use either the special cable which is enclosed with the PowerChute (TM) software or you can make your own cable connected as follows: SMART-CUSTOM PC (9 pin) APC (9 pin) 2 RxD 2 3 TxD 1 5 GND 9 SIMPLE-CUSTOM DB9/25F PC Side DB9M UPS Side 4/20 DTR (5vcc) nc (*) 8/5 CTS (low-batt) 5 (*) 2/3 RxD (other line-fail) 3 (*) 5/7 Ground (Signal) 4 1/8 CD (line-fail from ups) 2 7/4 RTS (shutdown ups) 1 nc/1 Frame/Case Gnd (optional) 9 List if componets one needs to make this CABLE: 1) One (1) DB9 use solder type connector only. 2) One (1) DB9/25F use solder type connector only. 3) two (2) 4.7K ohm 1/4 watt %5 resistors. 4) one (1) foot of 3/32" (inch) shrink wrap/boot. 5) rosin core solder. 6) three (3) to five (5) feet of 22AWG multi-stranded five (5) conductor cable. First solder both of the resistors into pin# (4) DB9 or (20) DB25 the DTR. This will be used as the Vcc pull-up voltage for testing the outputs on any "UPS by APC" ONLY in Simple Signal mode. This may not work on a BackUPS Pro if the default communications are Smart Signal mode. This cable is valid for "ShareUPS" BASIC Port mode if there are no other cables that can be gotten. Next bend each of the resistors so that one connects to (8) DB9 or (5) DB25 the CTS (aka battery low signal) and the other to (2) DB9 or (3) DB25 the RxD (aka another line fail signal). This line is not currently used, but it will be in the near future. (*) 8/5 is also wire to pin# 5 on UPS cable side. (*) 2/3 is also wire to pin# 3 on UPS cable side. (*) we use the DTR as our +5 volts power for the circuit. If you have one of the following cables supplied by APCC, apcupsd will support off the shelf cables. 940-0020B Simple Signal Only, all models. 940-0024[B/C/G] SmartMode Only, SU, BPPro and BKPro only. 940-0095[A/C] PnP (Plug and Play), all models. 940-0023A Simple Signal UNIX, [BROKEN STILL].

FILES

/etc/apcupsd.conf - configuration file. /etc/apcupsd.status - psuedo procfs-type file. /var/log/apcupsd.log - the UPS status is logged.

FILE FORMAT

Both "apcupsd.log" and "apcupsd.status" are simple ascii files with several floating point numbers on one line. The format varies based on the type of UPS that you are using. /etc/apcupsd.status APC : time and date of last update CABLE : cable type used UPSMODEL : ups type or signal method UPSMODE : tells apcupsd what to check SHARE : if ShareUPS is used, this determines what SmartUPS and MatrixUPS Smart Signals ULINE : Current (observed) Input Line Voltage MLINE : Max (observed) Input Line Voltage NLINE : Min (observed) Input Line Voltage FLINE : Line Freq (cycles) VOUTP : UPS Output Voltage LOUTP : Percent Load of UPS Capacity BOUTP : Current Charge Voltage of Batteries BCHAR : Batteries Current Charge Percent of Capacity BFAIL : UNSIGNED INT CODE (ups state) UTEMP : Current UPS Temp. in Degrees Cel. DIPSW : Current DIP switch settings for UPS. Newer BackUPS Pro Smart Signals ULINE : Current (observed) Input Line Voltage MLINE : Max (observed) Input Line Voltage NLINE : Min (observed) Input Line Voltage FLINE : Line Freq (cycles) VOUTP : UPS Output Voltage LOUTP : Percent Load of UPS Capacity BOUTP : Current Charge Voltage of Batteries BCHAR : Batteries Current Charge Percent of Capacity BFAIL : UNSIGNED INT CODE (ups state) BackUPS Pro and SmartUPS v/s Smart Signals LINEFAIL : OnlineStatus BATTSTAT : BatteryStatus MAINS : LineVoltageState LASTEVNT : LastEventObserved BackUPS and NetUPS Simple Signals LINEFAIL : OnlineStatus BATTSTAT : BatteryStatus /var/log/apcupsd.log SmartUPS and MatrixUPS Smart Signals LineVoltage LineMax LineMin LineFreq OutputVoltage UPSLoad BattVoltage BatteryLoad UPSLoad UPSTemp Newer BackUPS Pro Smart Signals LineVoltage LineMax LineMin LineFreq OutputVoltage UPSLoad BattVoltage BatteryLoad UPSLoad BackUPS Pro and SmartUPS v/s Smart Signals OnlineStatus BatteryStatus LineVoltageState LastEventObserved BackUPS and NetUPS Simple Signals OnlineStatus BatteryStatus
AUTHOR
Andre M. Hedrick <hedrick@astro.dyer.vanderbilt.edu> Retired Co-AUTHOR Christopher J. Reimer <reimer@doe.carleton.ca> The Brave Unnamed PATCH-WORKS and TESTERS "Daniel Quinlan" <quinlan@pathname.com> "Tom Kunicki" <kunicki@surgery.wisc.edu> "Karsten Wiborg" <4wiborg@informatik.uni-hamburg.de> "Jean-Michel Rouet" <JM.ROUET@maisel-gw.enst-bretagne.fr> "Chris Adams" <cadams@ro.com> "Jason Orendorf" <orendorf@sprintmail.com> "Neil McAllister" <pcm2@sentient.com> "Werner Panocha" <WPanocha@t-online.de> "Lee Maisel" <martian@rt66.com> "Brian Schau" <bsc@fleggaard.dk> The Information HELPERS and TESTERS. "Eric S. Raymond" <esr@snark.thyrsus.com> "Chris Hanson" <cph@martigny.ai.mit.edu> "Pavel Alex" <pavel@petrolbank.mldnet.com> "Theo Van Dinter" <felicity@kluge.net> "Thomas Porter" <txporter@mindspring.com> "Alan Davis" <davis@ele.uri.edu> "Oliver Hvrmann" <ollo@compuserve.com> "Scott Horton" <Scott.Horton1@bridge.bellsouth.com> "Matt Hyne" <mhyne@tip.CSIRO.AU> "Chen Shiyuan" <csy@hjc.edu.sg> OTHER CREDITS "Miquel van Smoorenburg" <miquels@drinkel.cistron.nl> "The Doctor What" <docwhat@itek.net> "Pavel Korensky" <pavelk@dator3.anet.cz>
BUGS AND LIMITATIONS
Any other name will cause an error when loading the "/etc/apcupsd.conf" file. There are some known problems and limitations. There can be a problem with the newest types of APC Smart UPS add-ons. Any and All Network Modes is not supported, yet. No bugs in standard stuff. I am sure, well pretty sure. Possible bugs in all ShareUPS mode types. If anyone has had success at all with any ShareUPS models, please report.

ETHERUPS/NETUPS

This is fully functional as of version 3.4.0. APCC UPS management under Linux and UNIX APCUPSD(8)
 
 
 

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