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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">You are right. But as I see it, the case of Vitrage suspect vs. the real Nagios alarm is just one example of the more general case of two monitors reporting the same alarm.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Don’t you think so?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="font-family:Calibri;color:black">From:
</span></b><span style="font-family:Calibri;color:black">Yujun Zhang <zhangyujun+zte@gmail.com><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org><br>
<b>Date: </b>Wednesday, 11 January 2017 at 09:46<br>
<b>To: </b>"OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org>, "yinliyin@zte.com.cn" <yinliyin@zte.com.cn><br>
<b>Cc: </b>"han.jing28@zte.com.cn" <han.jing28@zte.com.cn>, "wang.weiya@zte.com.cn" <wang.weiya@zte.com.cn>, "zhang.yujunz@zte.com.cn" <zhang.yujunz@zte.com.cn>, "jia.peiyuan@zte.com.cn" <jia.peiyuan@zte.com.cn>, "gong.yahui5@zte.com.cn" <gong.yahui5@zte.com.cn><br>
<b>Subject: </b>Re: [openstack-dev] [Vitrage] About alarms reported by datasource and the alarms generated by vitrage evaluator<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt">Hi, Ifat <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt">If I understand it correctly, your concerns are mainly on same alarm from different monitor, but not "suspect" status as discussed in another thread.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt">On Tue, Jan 10, 2017 at 10:21 PM Afek, Ifat (Nokia - IL) <<a href="mailto:ifat.afek@nokia.com" target="_blank">ifat.afek@nokia.com</a>> wrote:<o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Hi Yinliyin,</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">At first I thought that changing the deduced to be a property on the alarm might help in solving your use case. But now I think most of the problems will remain the same:</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<![if !supportLists]><span style="font-size:10.0pt;font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span dir="LTR"></span><span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">It won’t solve the general problem of two different monitors that raise the same alarm
</span></span><o:p></o:p></p>
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</span></span></span><![endif]><span dir="LTR"></span><span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">It won’t solve possible conflicts of timestamp and severity between different monitors</span></span><o:p></o:p></p>
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</span></span></span><![endif]><span dir="LTR"></span><span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">It will make the decision of when to delete the alarm more complex (delete it when the deduced alarm is deleted? When Nagios alarm
is deleted? both? And how to change the timestamp and severity in these cases?)</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">So I don’t think that making this change is beneficial.
</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">What do you think?</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Best Regards,</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Ifat.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-family:Calibri;color:black">From: </span>
</b></span><span class="gmailmsg"><span style="font-family:Calibri;color:black">"<a href="mailto:yinliyin@zte.com.cn" target="_blank">yinliyin@zte.com.cn</a>" <<a href="mailto:yinliyin@zte.com.cn" target="_blank">yinliyin@zte.com.cn</a>></span></span><span style="font-family:Calibri;color:black"><br>
<span class="gmailmsg"><b>Date: </b>Monday, 9 January 2017 at 05:29</span><br>
<span class="gmailmsg"><b>To: </b>"Afek, Ifat (Nokia - IL)" <<a href="mailto:ifat.afek@nokia.com" target="_blank">ifat.afek@nokia.com</a>></span><br>
<span class="gmailmsg"><b>Cc: </b>"<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>" <<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>>, "<a href="mailto:han.jing28@zte.com.cn" target="_blank">han.jing28@zte.com.cn</a>"
<<a href="mailto:han.jing28@zte.com.cn" target="_blank">han.jing28@zte.com.cn</a>>, "<a href="mailto:wang.weiya@zte.com.cn" target="_blank">wang.weiya@zte.com.cn</a>" <<a href="mailto:wang.weiya@zte.com.cn" target="_blank">wang.weiya@zte.com.cn</a>>, "<a href="mailto:zhang.yujunz@zte.com.cn" target="_blank">zhang.yujunz@zte.com.cn</a>"
<<a href="mailto:zhang.yujunz@zte.com.cn" target="_blank">zhang.yujunz@zte.com.cn</a>>, "<a href="mailto:jia.peiyuan@zte.com.cn" target="_blank">jia.peiyuan@zte.com.cn</a>" <<a href="mailto:jia.peiyuan@zte.com.cn" target="_blank">jia.peiyuan@zte.com.cn</a>>,
"<a href="mailto:gong.yahui5@zte.com.cn" target="_blank">gong.yahui5@zte.com.cn</a>" <<a href="mailto:gong.yahui5@zte.com.cn" target="_blank">gong.yahui5@zte.com.cn</a>></span><br>
<span class="gmailmsg"><b>Subject: </b>Re: [openstack-dev] [Vitrage] About alarms reported by datasource and the alarms generated by vitrage evaluator</span></span><o:p></o:p></p>
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<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> </span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt">Hi Ifat, </span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> I think there is a situation that all the alarms are reported by the monitored system. We use vitrage to:</span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> 1. Found the relationships of the alarms, and find the root cause.</span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> 2. Deduce the alarm before it really occured. This comprise two aspects:</span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> 1) A cause B: When A occured, we deduce that B would occur</span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> 2) B is caused by A: When B occured, we deduce that A must occured</span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> In "2", we do expect vitrage to raise the alarm before the alarm is reported because the alarm would be lost or be delayed for some reason. So
we would write "raise alarm" actions in the scenarios of the template. I think that the alarm is reported or is deduced should be a state property of the alarm. The vertex reported and the vertex deduced of the same alarm should be merged to one vertex. </span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> </span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> Best Regards,</span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:36.0pt"><span class="gmailmsg"><span style="font-size:9.0pt"> Yinliyin.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho";color:#1388FF">原始</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:SimSun;color:#1388FF">邮</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho";color:#1388FF">件</span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:SimSun">发件人：</span></b></span><span class="gmailmsg"><span style="font-size:9.0pt">
</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">＜</span></span><span class="gmailmsg"><span style="font-size:9.0pt"><a href="mailto:ifat.afek@nokia.com" target="_blank">ifat.afek@nokia.com</a></span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">＞</span></span><span class="gmailmsg"><span style="font-size:9.0pt">;</span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">收件人：</span></b></span><span class="gmailmsg"><span style="font-size:9.0pt">
</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">＜</span></span><span class="gmailmsg"><span style="font-size:9.0pt"><a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a></span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">＞</span></span><span class="gmailmsg"><span style="font-size:9.0pt">;</span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">抄送人：</span></b></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:SimSun">韩静</span></span><span class="gmailmsg"><span style="font-size:9.0pt">00006838;</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">王</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:SimSun">维</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">雅</span></span><span class="gmailmsg"><span style="font-size:9.0pt">00042110;</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">章宇</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:SimSun">军</span></span><span class="gmailmsg"><span style="font-size:9.0pt">10200531;</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:SimSun">贾培源</span></span><span class="gmailmsg"><span style="font-size:9.0pt">10101785;</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:SimSun">龚亚辉</span></span><span class="gmailmsg"><span style="font-size:9.0pt"><a href="tel:(609)%20200-1895" target="_blank">6092001895</a>;</span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">日</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt">
</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">期</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt">
</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">：</span></b></span><span class="gmailmsg"><span style="font-size:9.0pt">2017</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">年</span></span><span class="gmailmsg"><span style="font-size:9.0pt">01</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">月</span></span><span class="gmailmsg"><span style="font-size:9.0pt">07</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:"MS Mincho"">日</span></span><span class="gmailmsg"><span style="font-size:9.0pt">
02:18</span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">主</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt">
</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:SimSun">题</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt">
</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt;font-family:"MS Mincho"">：</span></b></span><span class="gmailmsg"><b><span style="font-size:9.0pt">Re: [openstack-dev] [Vitrage] About alarms reported by datasource and the alarms generated
by vitrage evaluator</span></b></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Hi YinLiYin,</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">This is an interesting question. Let me divide my answer to two parts.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">First, the case that you described with Nagios and Vitrage. This problem depends on the specific Nagios tests that you configure in your system, as well as on the Vitrage templates that
you use. For example, you can use Nagios/Zabbix to monitor the physical layer, and Vitrage to raise deduced alarms on the virtual and application layers. This way you will never have duplicated alarms. If you want to use Nagios to monitor the other layers
as well, you can simply modify Vitrage templates so they don’t raise the deduced alarms that Nagios may generate, and use the templates to show RCA between different Nagios alarms.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Now let’s talk about the more general case. Vitrage can receive alarms from different monitors, including Nagios, Zabbix, collectd and Aodh. If you are using more than one monitor, it
is possible that the same alarm (maybe with a different name) will be raised twice. We need to create a mechanism to identify such cases and create a single alarm with the properties of both monitors. This has not been designed in details yet, so if you have
any suggestion we will be happy to hear them.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Best Regards,</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri">Ifat.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:11.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<span class="gmailmsg"><b><span style="font-family:Calibri;color:black">From: </span>
</b></span><span class="gmailmsg"><span style="font-family:Calibri;color:black">"<a href="mailto:yinliyin@zte.com.cn" target="_blank">yinliyin@zte.com.cn</a>" ＜<a href="mailto:yinliyin@zte.com.cn" target="_blank">yinliyin@zte.com.cn</a>＞</span></span><span style="font-family:Calibri;color:black"><br>
<span class="gmailmsg"><b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" ＜<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>＞</span><br>
<span class="gmailmsg"><b>Date: </b>Friday, 6 January 2017 at 03:27</span><br>
<span class="gmailmsg"><b>To: </b>"<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>" ＜<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@lists.openstack.org</a>＞</span><br>
<span class="gmailmsg"><b>Cc: </b>"<a href="mailto:gong.yahui5@zte.com.cn" target="_blank">gong.yahui5@zte.com.cn</a>" ＜<a href="mailto:gong.yahui5@zte.com.cn" target="_blank">gong.yahui5@zte.com.cn</a>＞, "<a href="mailto:han.jing28@zte.com.cn" target="_blank">han.jing28@zte.com.cn</a>"
＜<a href="mailto:han.jing28@zte.com.cn" target="_blank">han.jing28@zte.com.cn</a>＞, "<a href="mailto:wang.weiya@zte.com.cn" target="_blank">wang.weiya@zte.com.cn</a>" ＜<a href="mailto:wang.weiya@zte.com.cn" target="_blank">wang.weiya@zte.com.cn</a>＞, "<a href="mailto:jia.peiyuan@zte.com.cn" target="_blank">jia.peiyuan@zte.com.cn</a>"
＜<a href="mailto:jia.peiyuan@zte.com.cn" target="_blank">jia.peiyuan@zte.com.cn</a>＞, "<a href="mailto:zhang.yujunz@zte.com.cn" target="_blank">zhang.yujunz@zte.com.cn</a>" ＜<a href="mailto:zhang.yujunz@zte.com.cn" target="_blank">zhang.yujunz@zte.com.cn</a>＞</span><br>
<span class="gmailmsg"><b>Subject: </b>[openstack-dev] [Vitrage] About alarms reported by datasource and the alarms generated by vitrage evaluator</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:9.0pt;font-family:宋体">Hi all, </span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:9.0pt;font-family:宋体"> Vitrage generate alarms acording to the templates. All the alarms raised by vitrage has the type "vitrage". Suppose Nagios has an alarm A. Alarm A is raised by vitrage evaluator according
to the action part of a scenario, type of alarm A is "vitrage". If Nagios reported alarm A latter, a new alarm A with type "Nagios" would be generator in the entity graph. There would be two vertices for the same alarm in the graph. And we have to define
two alarm entities, two relationships, two scenarios in the template file to make the alarm propagation procedure work.</span></span><o:p></o:p></p>
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<span class="gmailmsg"><span style="font-size:9.0pt;font-family:宋体"> It is inconvenient to describe fault model of system with lot of alarms. How to solve this problem?</span></span><o:p></o:p></p>
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<p class="gmailmsg1" style="margin-left:72.0pt"><span class="gmailmsg"><span style="font-size:5.5pt;font-family:宋体"> </span></span><o:p></o:p></p>
<p class="gmailmsg1" style="margin-left:72.0pt"><span class="gmailmsg"><span style="font-size:9.0pt;font-family:Calibri;color:#58595B">殷力殷</span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:微软雅黑;color:#58595B"> </span></span><span class="gmailmsg"><span style="font-size:9.0pt;font-family:Arial;color:#58595B">YinLiYin</span></span><o:p></o:p></p>
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