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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
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97 lines
12 KiB
HTML
<a name="ALM-12046"></a><a name="ALM-12046"></a>
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<h1 class="topictitle1">ALM-12046 Write Packet Dropped Rate Exceeds the Threshold</h1>
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<div id="body35044409"><div class="section" id="ALM-12046__section63708257"><h4 class="sectiontitle">Description</h4><p id="ALM-12046__p20024890">The system checks the write packet dropped rate every 30 seconds. This alarm is generated when the write packet dropped rate exceeds the threshold (the default threshold is 0.5%) for multiple times (the default value is <strong id="ALM-12046__b143131152516">5</strong>).</p>
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<p id="ALM-12046__p46006286">To change the threshold, choose <strong id="ALM-12046__b671126165910">O&M</strong> > <strong id="ALM-12046__b373718611599">Alarm</strong> > <strong id="ALM-12046__b1674813614593">Thresholds</strong> > <em id="ALM-12046__i17776645912">Name of the desired cluster</em> > <strong id="ALM-12046__b6790176115911">Host</strong> > <strong id="ALM-12046__b18803263596">Network Writing</strong> > <strong id="ALM-12046__b1482086135918">Write Packet Dropped Rate</strong>.</p>
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<p id="ALM-12046__p11403395">If <strong id="ALM-12046__b184431148607">Trigger Count</strong> is <strong id="ALM-12046__b9468989256">1</strong>, this alarm is cleared when the network write packet dropped rate is less than or equal to the threshold. If <strong id="ALM-12046__b538013571803">Trigger Count</strong> is greater than <strong id="ALM-12046__b1946915882515">1</strong>, this alarm is cleared when the network write packet dropped 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-12046__section36503402"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12046__table51259837" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12046__row11203870"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="ALM-12046__p35098282">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-12046__p24388590">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-12046__p29318803">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-12046__row26012865"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-12046__p26667295">12046</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-12046__p12567253">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-12046__p11314572">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-12046__section60095170"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12046__table44065131" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12046__row57092581"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="ALM-12046__p61096309">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-12046__p49853969">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-12046__row153946297383"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12046__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-12046__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-12046__row11639714"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12046__p3292816">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-12046__p65391554">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-12046__row51653081"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12046__p23149996">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-12046__p63210425">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-12046__row32022916"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12046__p43719384">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-12046__p51609209">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-12046__row61829697"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12046__p42149567">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-12046__p58671806">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-12046__row58284214"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12046__p23400856">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-12046__p16421199">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-12046__section3985625"><h4 class="sectiontitle">Impact on the System</h4><p id="ALM-12046__p55048771">The service performance deteriorates or some services time out.</p>
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</div>
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<div class="section" id="ALM-12046__section35870633"><h4 class="sectiontitle">Possible Causes</h4><ul id="ALM-12046__ul29765467"><li id="ALM-12046__li66562616">The alarm threshold is improperly configured.</li><li id="ALM-12046__li62192640">The network quality is poor.</li></ul>
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</div>
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<div class="section" id="ALM-12046__section54400241"><h4 class="sectiontitle">Procedure</h4><p class="tableheading" id="ALM-12046__p4439065"><strong id="ALM-12046__b488114212259">Check whether the threshold is set properly.</strong></p>
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<ol id="ALM-12046__ol51757082114518"><li id="ALM-12046__li5429491411450"><span>Log in to FusionInsight Manager, choose <strong id="ALM-12046__b530513292591">O&M</strong> > <strong id="ALM-12046__b73111296591">Alarm</strong> > <strong id="ALM-12046__b132072925911">Thresholds</strong> > <em id="ALM-12046__i1532816298599">Name of the desired cluster</em> > <strong id="ALM-12046__b534062916596">Host</strong> > <strong id="ALM-12046__b14347529165911">Network Writing</strong> > <strong id="ALM-12046__b13361529195913">Write Packet Dropped Rate</strong>, and check whether the alarm threshold is configured properly. The default value is <strong id="ALM-12046__b7369102916591">0.5%</strong>. You can adjust the threshold as needed.</span><p><ul class="subitemlist" id="ALM-12046__ul603276811450"><li id="ALM-12046__li1878771011450">If yes, go to <a href="#ALM-12046__li4369794811450">4</a>.</li><li id="ALM-12046__li4540955011450">If no, go to <a href="#ALM-12046__li5699560811450">2</a>.</li></ul>
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</p></li><li id="ALM-12046__li5699560811450"><a name="ALM-12046__li5699560811450"></a><a name="li5699560811450"></a><span>Choose <strong id="ALM-12046__b86275584598">O&M</strong> > <strong id="ALM-12046__b863815815596">Alarm</strong> > <strong id="ALM-12046__b46391158155914">Thresholds</strong> > <em id="ALM-12046__i17639135845918">Name of the desired cluster</em> > <strong id="ALM-12046__b1639175845912">Host</strong> > <strong id="ALM-12046__b1964015811598">Network Writing</strong> > <strong id="ALM-12046__b17640175865912">Write Packet Dropped Rate</strong>. Click <strong id="ALM-12046__b564014589596">Modify</strong> in the <strong id="ALM-12046__b1664135816596">Operation</strong> column to change the threshold.</span><p><p class="litext" id="ALM-12046__p3581190711450">See <a href="#ALM-12046__fig153215311450">Figure 1</a>.</p>
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<div class="fignone" id="ALM-12046__fig153215311450"><a name="ALM-12046__fig153215311450"></a><a name="fig153215311450"></a><span class="figcap"><b>Figure 1 </b>Configuring the alarm threshold</span><br><span><img id="ALM-12046__image1482785044213" src="en-us_image_0000001390459444.png"></span></div>
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</p></li><li id="ALM-12046__li1629248811450"><span>After 5 minutes, check whether the alarm is cleared.</span><p><ul class="subitemlist" id="ALM-12046__ul1759973611450"><li id="ALM-12046__li4319843211450">If yes, no further action is required.</li><li id="ALM-12046__li941206611450">If no, go to <a href="#ALM-12046__li4369794811450">4</a>.</li></ul>
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</p></li></ol>
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<p class="tableheading" id="ALM-12046__p2417989711450"><strong id="ALM-12046__b284519296260">Check whether the network connection is normal.</strong></p>
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<ol start="4" id="ALM-12046__ol50526507114556"><li id="ALM-12046__li4369794811450"><a name="ALM-12046__li4369794811450"></a><a name="li4369794811450"></a><span>Contact the network administrator to check whether the network is normal.</span><p><ul class="subitemlist" id="ALM-12046__ul4959457011450"><li id="ALM-12046__li4462316111450">If yes, rectify the fault and go to <a href="#ALM-12046__li6056359711450">5</a>.</li><li id="ALM-12046__li5770629011450">If no, go to <a href="#ALM-12046__li820146511450">6</a>.</li></ul>
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</p></li><li id="ALM-12046__li6056359711450"><a name="ALM-12046__li6056359711450"></a><a name="li6056359711450"></a><span>After 5 minutes, check whether the alarm is cleared.</span><p><ul class="subitemlist" id="ALM-12046__ul1317526611450"><li id="ALM-12046__li5773721911450">If yes, no further action is required.</li><li id="ALM-12046__li4620316111450">If no, go to <a href="#ALM-12046__li820146511450">6</a>.</li></ul>
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</p></li></ol>
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<p class="tableheading" id="ALM-12046__p5146853111450"><strong id="ALM-12046__b6696662511465">Collect the fault information.</strong></p>
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<ol start="6" id="ALM-12046__ol4187815011462"><li id="ALM-12046__li820146511450"><a name="ALM-12046__li820146511450"></a><a name="li820146511450"></a><span>On FusionInsight Manager of the active cluster, choose <strong id="ALM-12046__b82519710275">O&M</strong>. In the navigation pane on the left, choose <strong id="ALM-12046__b92521274278">Log</strong> > <strong id="ALM-12046__b122521742710">Download</strong>.</span></li><li id="ALM-12046__li670432911450"><span>Select <strong id="ALM-12046__b73620916276">OMS</strong> for <strong id="ALM-12046__b53624992712">Service</strong> and click <strong id="ALM-12046__b17362129182711">OK</strong>.</span></li><li id="ALM-12046__li6033896511450"><span>Expand the <strong id="ALM-12046__b1511218191705">Hosts</strong> dialog box and select the alarm node and the active OMS node.</span></li><li id="ALM-12046__li617977311450"><span>Click <span><img id="ALM-12046__image92961342720" src="en-us_image_0263895382.png"></span> in the upper right corner, and set <strong id="ALM-12046__b12391113112719">Start Date</strong> and <strong id="ALM-12046__b53961311278">End Date</strong> for log collection to 30 minutes ahead of and after the alarm generation time respectively. Then, click <strong id="ALM-12046__b23914137276">Download</strong>.</span></li><li id="ALM-12046__li3079963411450"><span>Contact <span id="ALM-12046__text26871216142711">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-12046__section169311343318"><h4 class="sectiontitle">Alarm Clearing</h4><p id="ALM-12046__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-12046__section19840123"><h4 class="sectiontitle">Related Information</h4><p id="ALM-12046__p40881857">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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