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<p class="MsoNormal"><span style="color:black">Oh, this is so old…</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black">There is a simple answer (IMO) as to why you would want to cancel and ack’d alert – a new alert for an ack’d test has been received.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black">This has been bugging me for years. Let’s assume you ack an alert for the service “W3SVC” for 4 hours for maintenance, which you have stopped on purpose for whatever reason. Let’s assume you also monitor services
for SQL, Java, etc. If one of those also fails during the 4 hours of ack time – you won’t get an alert. There are 3 tests that can have multiple components which I would like to know if new alerts arrive while a test has been ack’d: disk, procs, & svcs.
</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black">I have a situation currently where I have to address this exact scenario. As described I have multiple services and processes that I need to monitor, those are often ack’d but it doesn’t change the importance
of knowing if a different process/service needs attention. Thus, I have written the perl script below which (being just written and may not be 100% - YMMV) will monitor tests that have been ack’d and look for changes. If there is a change that needs to be
addressed the ack is canceled by sending a temporary green status to the host.test. The next update from the client triggers a new alert.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black">Maybe this will help someone else too…</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black">Steps:</span></p>
<p class="MsoNormal"><span style="color:black">Copy contents to ~bin/watch_ackd_alerts.pl</span></p>
<p class="MsoNormal"><span style="color:black">Create directory ~server/tmp/ACKS</span></p>
<p class="MsoNormal"><span style="color:black">Log file created in ~logs</span></p>
<p class="MsoNormal"><span style="color:black">Create the following crontab entry
</span></p>
<p class="MsoNormal"><span style="color:black">*/5 * * * * /home/xymon/bin/watch_ackd_alerts.pl > /dev/null 2>&1</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black">------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span></p>
<p class="MsoNormal"><span style="color:black">#!/usr/bin/perl</span></p>
<p class="MsoNormal"><span style="color:black"># ------------------------------------------------------------------------------------------------</span></p>
<p class="MsoNormal"><span style="color:black"># Script Name: watch_ackd_alerts.pl</span></p>
<p class="MsoNormal"><span style="color:black"># Author: John Rothlisberger</span></p>
<p class="MsoNormal"><span style="color:black"># Created On: March 10, 2014</span></p>
<p class="MsoNormal"><span style="color:black"># VERSION="1.03102014.09";</span></p>
<p class="MsoNormal"><span style="color:black"># ------------------------------------------------------------------------------------------------</span></p>
<p class="MsoNormal"><span style="color:black"># Purpose: A script to monitor ack'd alerts and watch for changes.</span></p>
<p class="MsoNormal"><span style="color:black"># Example: The C: drive fills up and sends out a red alert. Knowing this will</span></p>
<p class="MsoNormal"><span style="color:black"># take some time to fix you ack the alert for 60 minutes. If, during that 60</span></p>
<p class="MsoNormal"><span style="color:black"># minute window the D: drive fills up you will not be notified as the 'disk' test</span></p>
<p class="MsoNormal"><span style="color:black"># has been acknowledged. This script is an attempt to short circuit the ack and</span></p>
<p class="MsoNormal"><span style="color:black"># allow for the new alert to be sent out.</span></p>
<p class="MsoNormal"><span style="color:black"># ------------------------------------------------------------------------------------------------</span></p>
<p class="MsoNormal"><span style="color:black"># Execution: Run every 5 minutes from xymon crontab:</span></p>
<p class="MsoNormal"><span style="color:black"># */5 * * * * /home/xymon/bin/watch_ackd_alerts.pl > /dev/null 2>&1</span></p>
<p class="MsoNormal"><span style="color:black"># ------------------------------------------------------------------------------------------------</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Setup COUNT and directory where to store ack info files.</span></p>
<p class="MsoNormal"><span style="color:black">$COUNT=0;</span></p>
<p class="MsoNormal"><span style="color:black">$ACKSDIR="/home/xymon/server/tmp/ACKS";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Log file</span></p>
<p class="MsoNormal"><span style="color:black">open(LOGFILE,">> /home/xymon/logs/ack_terminate.log") || die("can't open port_watch.email: $!");</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># input file example</span></p>
<p class="MsoNormal"><span style="color:black"># servername|test|color|flags|lastchange|logtime|validtime|acktime|disabletime|sender|cookie|line1|ackmsg|dismsg|msg</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Open input file</span></p>
<p class="MsoNormal"><span style="color:black">open ALERTS, "/home/xymon/server/bin/xymon 0 'xymondboard color=yellow,red' |" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Parse all active alerts</span></p>
<p class="MsoNormal"><span style="color:black">while (<ALERTS>) {</span></p>
<p class="MsoNormal"><span style="color:black"> chomp;</span></p>
<p class="MsoNormal"><span style="color:black"> @LINE=split(/\|/,$_);</span></p>
<p class="MsoNormal"><span style="color:black"> $SERVERNAME=@LINE[0];</span></p>
<p class="MsoNormal"><span style="color:black"> $TESTTYPE=@LINE[1];</span></p>
<p class="MsoNormal"><span style="color:black"> $COLOR=@LINE[2];</span></p>
<p class="MsoNormal"><span style="color:black"> $ACKTIME=@LINE[7];</span></p>
<p class="MsoNormal"><span style="color:black"> $COOKIE=@LINE[10];</span></p>
<p class="MsoNormal"><span style="color:black"> $LINE1=@LINE[11];</span></p>
<p class="MsoNormal"><span style="color:black"> $ACKMSG=@LINE[12];</span></p>
<p class="MsoNormal"><span style="color:black"> $DISMSG=@LINE[13];</span></p>
<p class="MsoNormal"><span style="color:black"> $MSG=@LINE[14];</span></p>
<p class="MsoNormal"><span style="color:black"># Skip all alerts except disk, procs, and svcs (others are not tested)</span></p>
<p class="MsoNormal"><span style="color:black"> next if ((! $TESTTYPE == "disk") || (! $TESTTYPE == "procs") || (! $TESTTYPE == "svcs"));</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># If the alert has been ack'd we want to watch for any changes.</span></p>
<p class="MsoNormal"><span style="color:black"> if ( $ACKTIME > 0) {</span></p>
<p class="MsoNormal"><span style="color:black"> $COUNT+=1;</span></p>
<p class="MsoNormal"><span style="color:black"> $REDS=0;</span></p>
<p class="MsoNormal"><span style="color:black"> $YELLOWS=0;</span></p>
<p class="MsoNormal"><span style="color:black"> $REDS_CMP=0;</span></p>
<p class="MsoNormal"><span style="color:black"> $YELLOWS_CMP=0;</span></p>
<p class="MsoNormal"><span style="color:black"> $NEED_COMP=0;</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "-------------------------------------------------------------------\n";</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "SERVERNAME: $SERVERNAME\n";</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "TESTTYPE: $TESTTYPE\n";</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "COLOR: $COLOR\n";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># If this is a new ack'd alert we will create a static file that holds current test state.</span></p>
<p class="MsoNormal"><span style="color:black"># We will use this file to decide if there have been changes to what has been ack'd.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> if (! -e "${ACKSDIR}/${SERVERNAME}${TESTTYPE}${COLOR}${ACKTIME}" ) {</span></p>
<p class="MsoNormal"><span style="color:black"> open DETAILS, "/home/xymon/server/bin/xymon 0 'xymondlog ${SERVERNAME}.${TESTTYPE}' |" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> open OUTFILE, ">${ACKSDIR}/${SERVERNAME}${TESTTYPE}${COLOR}${ACKTIME}" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> while (<DETAILS>) {</span></p>
<p class="MsoNormal"><span style="color:black"> chomp;</span></p>
<p class="MsoNormal"><span style="color:black"> if ( $_ =~ /^&/ ) {</span></p>
<p class="MsoNormal"><span style="color:black"> $_ =~ s/\&//;</span></p>
<p class="MsoNormal"><span style="color:black"> @DETLINE=split(/ /,$_);</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Change colors to numbers red=2 yellow=1 anything else = 0</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> if ( "$DETLINE[0]" eq "red" ) {</span></p>
<p class="MsoNormal"><span style="color:black"> $COL_VALUE = "2";</span></p>
<p class="MsoNormal"><span style="color:black"> } elsif ( "$DETLINE[0]" eq "yellow" ) {</span></p>
<p class="MsoNormal"><span style="color:black"> $COL_VALUE = "1";</span></p>
<p class="MsoNormal"><span style="color:black"> } else {</span></p>
<p class="MsoNormal"><span style="color:black"> $COL_VALUE = "0";</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"># Create the status file which will be used on subsequent runs.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print OUTFILE "${COL_VALUE}:${DETLINE[1]}\n";</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "DATE: ${COL_VALUE}:${DETLINE[1]}\n";</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> close OUTFILE;</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># We have already recorded the initial state of the test and saved it to a file.</span></p>
<p class="MsoNormal"><span style="color:black"># Now we will check new status output with that file to see if the alerts have changed.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> } else {</span></p>
<p class="MsoNormal"><span style="color:black"> open DETAILS, "/home/xymon/server/bin/xymon 0 'xymondlog ${SERVERNAME}.${TESTTYPE}' |" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> while (<DETAILS>) {</span></p>
<p class="MsoNormal"><span style="color:black"> chomp;</span></p>
<p class="MsoNormal"><span style="color:black"> if ( $_ =~ /^&/ ) {</span></p>
<p class="MsoNormal"><span style="color:black"> $_ =~ s/\&//;</span></p>
<p class="MsoNormal"><span style="color:black"> @DETLINE=split(/ /,$_);</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Change colors to numbers red=2 yellow=1 anything else = 0</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> if ( "$DETLINE[0]" eq "red" ) {</span></p>
<p class="MsoNormal"><span style="color:black"> $COL_VALUE = "2";</span></p>
<p class="MsoNormal"><span style="color:black"> } elsif ( "$DETLINE[0]" eq "yellow" ) {</span></p>
<p class="MsoNormal"><span style="color:black"> $COL_VALUE = "1";</span></p>
<p class="MsoNormal"><span style="color:black"> } else {</span></p>
<p class="MsoNormal"><span style="color:black"> $COL_VALUE = "0";</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> push (@COMP_contents, "${COL_VALUE}:${DETLINE[1]}");</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Get the initial ack file that was created.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> open INITFILE, "<${ACKSDIR}/${SERVERNAME}${TESTTYPE}${COLOR}${ACKTIME}" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> while (<INITFILE>) {</span></p>
<p class="MsoNormal"><span style="color:black"> chomp;</span></p>
<p class="MsoNormal"><span style="color:black"> push (@INITFILE_contents, "$_");</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> close INITFILE;</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Create a hash that contains the initial ack file.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> %INITF = map(($_,1),@INITFILE_contents);</span></p>
<p class="MsoNormal"><span style="color:black"> foreach (@COMP_contents) {</span></p>
<p class="MsoNormal"><span style="color:black"> if ($INITF{$_}) {</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># No change to the alert - nothing to do.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "Alert hasn't changed: $_\n";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> } else {</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Alert has changed in some form.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "Alert has changed: $_\n";</span></p>
<p class="MsoNormal"><span style="color:black"> @CURRENT=split(/:/,$_);</span></p>
<p class="MsoNormal"><span style="color:black"> $CUR_COLOR=$CURRENT[0];</span></p>
<p class="MsoNormal"><span style="color:black"> $CUR_TEST=$CURRENT[1];</span></p>
<p class="MsoNormal"><span style="color:black"> @ACKD_EVENT=grep (/:${CUR_TEST}/, @INITFILE_contents);</span></p>
<p class="MsoNormal"><span style="color:black"> @ACK_EVENT=split(/:/,$ACKD_EVENT[0]);</span></p>
<p class="MsoNormal"><span style="color:black"> $ACK_COLOR=$ACKD_EVENT[0];</span></p>
<p class="MsoNormal"><span style="color:black"> $ACK_TEST=$ACKD_EVENT[1];</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Compare the current alert color with that which was saved initially.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> if ( $CUR_COLOR < $ACK_EVENT[0] ) {</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># New color is lower than initial color - leave ack alone.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "NO ACTION NEEDED (new level lower than ack level).\n";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> } elsif ( $CUR_COLOR > $ACK_EVENT[0] ) {</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># New color is greater than initial ack color, dump ack so new alerts can be sent.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> if ( $ACK_COLOR == "" ) {</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># New alert not previously detected (different service, process, or disk alerting)</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "ACK COLOR $ACK_COLOR\n";</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "NEW ALERT - DISABLE ACK AND SEND NEW ALERT.\n";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Reset the server.test status to green. Next update will reset the alert condition effectivly</span></p>
<p class="MsoNormal"><span style="color:black"># canceling the acknowledge.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> open RESET, "/home/xymon/server/bin/xymon 0 'status+10 ${SERVERNAME}.${TESTTYPE} green Ack Reset New Alert Rcvd.' |" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> close RESET;</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> } else {</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Level of original alert has upgraded (typically yellow->red)</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "ACK COLOR $ACK_COLOR\n";</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "OLD ALERT - DISABLE ACK AND SEND NEW ALERT.\n";</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># Reset the server.test status to green. Next update will reset the alert condition effectivly</span></p>
<p class="MsoNormal"><span style="color:black"># canceling the acknowledge.</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> open RESET, "/home/xymon/server/bin/xymon 0 'status+1 ${SERVERNAME}.${TESTTYPE} green Ack Reset Alert Level Changed.' |" or die "Couldn't execute: $!";</span></p>
<p class="MsoNormal"><span style="color:black"> close RESET;</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> } else {</span></p>
<p class="MsoNormal"><span style="color:black"># Nothing to do here.</span></p>
<p class="MsoNormal"><span style="color:black"> print LOGFILE "NO ACTION NEEDED (new level equals ack level).\n";</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black"> }</span></p>
<p class="MsoNormal"><span style="color:black">}</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"># When there are no ack'd alerts clean out the ACK status directory.</span></p>
<p class="MsoNormal"><span style="color:black">if ( $COUNT == 0 ) {</span></p>
<p class="MsoNormal"><span style="color:black"> unlink glob "${ACKSDIR}/*";</span></p>
<p class="MsoNormal"><span style="color:black">}</span></p>
<p class="MsoNormal"><span style="color:black">------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<p class="MsoNormal" style=""><span style="font-family:"Arial","sans-serif"; color:#1F497D">Thanks,
</span></p>
<p class="MsoNormal" style=""><span style="font-family:"Arial","sans-serif"; color:#1F497D">John
</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">Upcoming PTO:</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">(none)</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal" style=""><span style="font-family:"Arial","sans-serif"; color:#1F497D">_____________________________________________________________________
</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">John Rothlisberger</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">IT Strategy, Infrastructure & Security - Technology Growth Platform</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">TGP for Business Process Outsourcing</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">Accenture</span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">312.693.3136 office<b></b></span></p>
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif"; color:#1F497D">_____________________________________________________________________
</span></p>
<p class="MsoNormal"><span style="color:black"> </span></p>
<div style="border:none; border-left:solid blue 1.5pt; padding:0in 0in 0in 4.0pt">
<div>
<div style="border:none; border-top:solid #B5C4DF 1.0pt; padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> Ryan Novosielski [mailto:novosirj@umdnj.edu]
<br>
<b>Sent:</b> Friday, October 22, 2010 5:23 PM<br>
<b>To:</b> xymon@xymon.com<br>
<b>Cc:</b> xymon@xymon.com<br>
<b>Subject:</b> Re: [xymon] canceling acknowledgements</span></p>
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<p class="MsoNormal">I'm guessing, but I don't know, that these two things would work:<br>
<br>
1) Remove the file created on the server that contains the ack notice.<br>
2) Ack the same test as the same person for 1 minute or something similar.<br>
<br>
I was thinking about this same one the other day. The conclusion I came to was "Why on earth would I want to do that?" The only reason I could think of was a case of ack'd by accident.<br>
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----- Original Message -----<br>
From: Larry Barber <<a href="mailto:lebarber@gmail.com">lebarber@gmail.com</a>><br>
Date: Friday, October 22, 2010 9:21 pm<br>
Subject: [xymon] canceling acknowledgements<br>
To: <a href="mailto:xymon@xymon.com">xymon@xymon.com</a><br>
<br>
<span style="font-size:10.5pt; background:#F5F8F0">> </span>Is there some way to cancel an 'ack' after it has been issued?<br>
<span style="font-size:10.5pt; background:#F5F8F0">> </span><br>
<span style="font-size:10.5pt; background:#F5F8F0">> </span>Thanks,<br>
<span style="font-size:10.5pt; background:#F5F8F0">> </span>Larry Barber<br>
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---- _ _ _ _ ___ _ _ _<br>
|Y#| | | |\/| | \ |\ | | |Ryan Novosielski - Sr. Systems Programmer<br>
|$&| |__| | | |__/ | \| _| <a href="mailto:|novosirj@umdnj.edu">|novosirj@umdnj.edu</a> - 973/972.0922 (2-0922)<br>
\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark </p>
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