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Yang, Tong
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
97 lines
12 KiB
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97 lines
12 KiB
HTML
<a name="ALM-12047"></a><a name="ALM-12047"></a>
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<h1 class="topictitle1">ALM-12047 Read Packet Error Rate Exceeds the Threshold</h1>
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<div id="body45628126"><div class="section" id="ALM-12047__section664161"><h4 class="sectiontitle">Description</h4><p id="ALM-12047__p4890695">The system checks the read packet error rate every 30 seconds. This alarm is generated when the read packet error rate exceeds the threshold (the default threshold is <strong id="ALM-12047__b19977647102715">0.5%</strong>) for multiple times (the default value is <strong id="ALM-12047__b18988647172717">5</strong>).</p>
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<p id="ALM-12047__p44016255">To change the threshold, choose <strong id="ALM-12047__b1031528304">O&M</strong> > <strong id="ALM-12047__b1318428807">Alarm</strong> > <strong id="ALM-12047__b1619528101">Thresholds</strong> > <em id="ALM-12047__i151917281903">Name of the desired cluster</em> > <strong id="ALM-12047__b11209289016">Host</strong> > <strong id="ALM-12047__b102114282015">Network Reading</strong> > <strong id="ALM-12047__b8217281019">Read Packet Error Rate</strong>.</p>
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<p id="ALM-12047__p60601976">If <strong id="ALM-12047__b676194810111">Trigger Count</strong> is <strong id="ALM-12047__b167621155132713">1</strong>, this alarm is cleared when the read packet error rate is less than or equal to the threshold. If <strong id="ALM-12047__b47189568116">Trigger Count</strong> is greater than <strong id="ALM-12047__b17762755172711">1</strong>, this alarm is cleared when the read packet error rate is less than or equal to 90% of the threshold.</p>
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</div>
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<div class="section" id="ALM-12047__section5977455"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12047__table9813018" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12047__row10452915"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="ALM-12047__p41379750">Alarm ID</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="ALM-12047__p63425491">Alarm Severity</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="ALM-12047__p37191136">Auto Clear</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="ALM-12047__row59692021"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-12047__p3215547">12047</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="ALM-12047__p59132761">Major</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="ALM-12047__p25024376">Yes</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="ALM-12047__section53797099"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12047__table13708608" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12047__row12493869"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="ALM-12047__p5370469">Name</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="ALM-12047__p32354858">Meaning</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="ALM-12047__row242219184387"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12047__p17935380415">Source</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12047__p187931338134115">Specifies the cluster or system for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="ALM-12047__row3497827"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12047__p14888569">ServiceName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12047__p65123411">Specifies the service for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="ALM-12047__row49239789"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12047__p28999977">RoleName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12047__p187933">Specifies the role for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="ALM-12047__row1691404"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12047__p2786056">HostName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12047__p24344017">Specifies the host for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="ALM-12047__row17769566"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12047__p30048708">Port Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12047__p18026283">Specifies the network port for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="ALM-12047__row28018822"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12047__p54932113">Trigger Condition</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12047__p20316144">Specifies the threshold for triggering the alarm.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="ALM-12047__section14411846"><h4 class="sectiontitle">Impact on the System</h4><p id="ALM-12047__p34994956">The communication is intermittently interrupted, and services time out.</p>
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</div>
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<div class="section" id="ALM-12047__section62597753"><h4 class="sectiontitle">Possible Causes</h4><ul id="ALM-12047__ul16019148"><li id="ALM-12047__li9954605">The alarm threshold is improperly configured.</li><li id="ALM-12047__li22482584">The network quality is poor.</li></ul>
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</div>
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<div class="section" id="ALM-12047__section26508869"><h4 class="sectiontitle">Procedure</h4><p class="tableheading" id="ALM-12047__p9150041"><strong id="ALM-12047__b48301864144321">Check whether the threshold is set properly.</strong></p>
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<ol id="ALM-12047__ol5621610514492"><li id="ALM-12047__li16991200144325"><span>Log in to FusionInsight Manager, choose <strong id="ALM-12047__b1096642210512">O&M</strong> > <strong id="ALM-12047__b2977102211513">Alarm</strong> > <strong id="ALM-12047__b10994192210512">Thresholds</strong> > <em id="ALM-12047__i1822231959">Name of the desired cluster</em> > <strong id="ALM-12047__b614102317519">Host</strong> > <strong id="ALM-12047__b121811235515">Network Reading</strong> > <strong id="ALM-12047__b13271323151">Read Packet Error Rate</strong>, and check whether the alarm threshold is configured properly. The default value is <strong id="ALM-12047__b173611231556">0.5%</strong>. You can adjust the threshold as needed.</span><p><ul class="subitemlist" id="ALM-12047__ul54083694144325"><li id="ALM-12047__li61199409144325">If yes, go to <a href="#ALM-12047__li47122569144325">4</a>.</li><li id="ALM-12047__li58205082144325">If no, go to <a href="#ALM-12047__li18938060144325">2</a>.</li></ul>
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</p></li><li id="ALM-12047__li18938060144325"><a name="ALM-12047__li18938060144325"></a><a name="li18938060144325"></a><span>Choose <strong id="ALM-12047__b11895317762">O&M</strong> > <strong id="ALM-12047__b789714171965">Alarm</strong> > <strong id="ALM-12047__b9898141713613">Thresholds</strong> > <em id="ALM-12047__i389981710618">Name of the desired cluster</em> > <strong id="ALM-12047__b179008171767">Host</strong> > <strong id="ALM-12047__b109007171611">Network Reading</strong> > <strong id="ALM-12047__b790117174615">Read Packet Error Rate</strong>. Click <strong id="ALM-12047__b139032017464">Modify</strong> in the <strong id="ALM-12047__b169038177610">Operation</strong> column to change the threshold.</span><p><p class="litext" id="ALM-12047__p34109930144325">See <a href="#ALM-12047__fig35859496144325">Figure 1</a>.</p>
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<div class="fignone" id="ALM-12047__fig35859496144325"><a name="ALM-12047__fig35859496144325"></a><a name="fig35859496144325"></a><span class="figcap"><b>Figure 1 </b>Configuring the alarm threshold</span><br><span><img id="ALM-12047__image777621374319" src="en-us_image_0000001441218249.png"></span></div>
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</p></li><li id="ALM-12047__li11450397144325"><span>After 5 minutes, check whether the alarm is cleared.</span><p><ul class="subitemlist" id="ALM-12047__ul34110047144325"><li id="ALM-12047__li36224819144325">If yes, no further action is required.</li><li id="ALM-12047__li48529247144325">If no, go to <a href="#ALM-12047__li47122569144325">4</a>.</li></ul>
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</p></li></ol>
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<p class="tableheading" id="ALM-12047__p38554968144325"><strong id="ALM-12047__b1663413103111">Check whether the network connection is normal.</strong></p>
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<ol start="4" id="ALM-12047__ol41298640144920"><li id="ALM-12047__li47122569144325"><a name="ALM-12047__li47122569144325"></a><a name="li47122569144325"></a><span>Contact the network administrator to check whether the network is normal.</span><p><ul class="subitemlist" id="ALM-12047__ul12692381144325"><li id="ALM-12047__li55066931144325">If yes, rectify the fault and go to <a href="#ALM-12047__li52164171144325">5</a>.</li><li id="ALM-12047__li31236426144325">If no, go to <a href="#ALM-12047__li66824355144325">6</a>.</li></ul>
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</p></li><li id="ALM-12047__li52164171144325"><a name="ALM-12047__li52164171144325"></a><a name="li52164171144325"></a><span>After 5 minutes, check whether the alarm is cleared.</span><p><ul class="subitemlist" id="ALM-12047__ul644002144325"><li id="ALM-12047__li21449944144325">If yes, no further action is required.</li><li id="ALM-12047__li59723879144325">If no, go to <a href="#ALM-12047__li66824355144325">6</a>.</li></ul>
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</p></li></ol>
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<p class="tableheading" id="ALM-12047__p37260279144922"><strong id="ALM-12047__b41163092144926">Collect the fault information.</strong></p>
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<ol start="6" id="ALM-12047__ol4946431144932"><li id="ALM-12047__li66824355144325"><a name="ALM-12047__li66824355144325"></a><a name="li66824355144325"></a><span>On FusionInsight Manager of the active cluster, choose <strong id="ALM-12047__b114185633111">O&M</strong>. In the navigation pane on the left, choose <strong id="ALM-12047__b912756123118">Log</strong> > <strong id="ALM-12047__b313125673116">Download</strong>.</span></li><li id="ALM-12047__li64548284144325"><span>Select <strong id="ALM-12047__b13721135814311">OMS</strong> for <strong id="ALM-12047__b8721758153120">Service</strong> and click <strong id="ALM-12047__b187221358143114">OK</strong>.</span></li><li id="ALM-12047__li44063647144325"><span>Expand the <strong id="ALM-12047__b1780712356614">Hosts</strong> dialog box and select the alarm node and the active OMS node.</span></li><li id="ALM-12047__li61028510144325"><span>Click <span><img id="ALM-12047__image1171914283214" src="en-us_image_0263895382.png"></span> in the upper right corner, and set <strong id="ALM-12047__b672772103210">Start Date</strong> and <strong id="ALM-12047__b9727729327">End Date</strong> for log collection to 30 minutes ahead of and after the alarm generation time respectively. Then, click <strong id="ALM-12047__b127281226321">Download</strong>.</span></li><li id="ALM-12047__li44362264144325"><span>Contact <span id="ALM-12047__text5904144183214">O&M personnel</span> and provide the collected logs.</span></li></ol>
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</div>
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<div class="section" id="ALM-12047__section169311343318"><h4 class="sectiontitle">Alarm Clearing</h4><p id="ALM-12047__p754913417333">This alarm is automatically cleared after the fault is rectified.</p>
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</div>
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<div class="section" id="ALM-12047__section37253236"><h4 class="sectiontitle">Related Information</h4><p id="ALM-12047__p42609442">None</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_1298.html">Alarm Reference (Applicable to MRS 3.x)</a></div>
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</div>
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</div>
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