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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>
81 lines
9.2 KiB
HTML
81 lines
9.2 KiB
HTML
<a name="ALM-12071"></a><a name="ALM-12071"></a>
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<h1 class="topictitle1">ALM-12071 Httpd Resource Is Abnormal</h1>
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<div id="body1547193420658"><div class="section" id="ALM-12071__section1873012221819"><h4 class="sectiontitle">Description</h4><p id="ALM-12071__p1795612211819">HA checks the httpd resources of Manager every 120 seconds. This alarm is generated when HA detects that the httpd resources are abnormal for 10 consecutive times.</p>
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<p id="ALM-12071__p14956102261815">This alarm is cleared when the httpd resource is normal.</p>
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<p id="ALM-12071__p1495610221182"><strong id="ALM-12071__b9956132220185">Resource Type</strong> of httpd is <strong id="ALM-12071__b1195615225187">Single-active</strong>. Active/standby will be triggered upon resource exceptions. When this alarm is generated, the active/standby switchover is complete and new httpd resources have been enabled on the new active FusionInsight Manager. In this case, this alarm is cleared. This alarm is used to notify users of the cause of the active/standby switchover.</p>
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</div>
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<div class="section" id="ALM-12071__section17732172241819"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12071__table3734112271815" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12071__row1195613222180"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="ALM-12071__p1695610220189">Alarm ID</p>
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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-12071__p7956182213188">Alarm Severity</p>
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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-12071__p14956112221819">Auto Clear</p>
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<tbody><tr id="ALM-12071__row595613228188"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-12071__p1595672217183">12071</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="ALM-12071__p1695612201813">Major</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="ALM-12071__p8956162218181">Yes</p>
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</tbody>
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</div>
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<div class="section" id="ALM-12071__section1174682271815"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-12071__table1374822251819" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-12071__row19576225184"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="ALM-12071__p1695792221820">Name</p>
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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-12071__p6957132291818">Meaning</p>
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<tbody><tr id="ALM-12071__row3135141314405"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12071__p192431315431">Source</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12071__p692551319435">Specifies the cluster or system for which the alarm is generated.</p>
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<tr id="ALM-12071__row169571122121811"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12071__p795702218183">ServiceName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12071__p1795716222185">Specifies the service for which the alarm is generated.</p>
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<tr id="ALM-12071__row16957192271810"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12071__p16957122161813">RoleName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12071__p14957162221810">Specifies the role for which the alarm is generated.</p>
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<tr id="ALM-12071__row8957132241814"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-12071__p29571822111811">HostName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-12071__p12957192213186">Specifies the host for which the alarm is generated.</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-12071__section167631322161811"><h4 class="sectiontitle">Impact on the System</h4><ul id="ALM-12071__ul16957122212187"><li id="ALM-12071__li9957322141814">The active/standby FusionInsight Manager switchover occurs.</li><li id="ALM-12071__li2957162220182">The httpd process is repeatedly restarts, which may lead to the failure to visit the native service UI.</li></ul>
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</div>
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<div class="section" id="ALM-12071__section17770132211810"><h4 class="sectiontitle">Possible Causes</h4><p id="ALM-12071__p480785161917">The httpd process is abnormal.</p>
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</div>
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<div class="section" id="ALM-12071__section17774192220180"><h4 class="sectiontitle">Procedure</h4><p id="ALM-12071__p5957822201812"><strong id="ALM-12071__b1595714229188">Check whether the httpd process is abnormal.</strong></p>
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<ol id="ALM-12071__ol108431951181816"><li id="ALM-12071__li11843165119182"><span>In the alarm list on FusionInsight Manager, locate the row that contains the alarm, and view the name of the host for which the alarm is generated.</span></li><li id="ALM-12071__li8843105111811"><span>Log in to the host for which the alarm is generated as user <strong id="ALM-12071__b584335112186">root</strong>. <span id="ALM-12071__text985593916354"></span></span></li><li id="ALM-12071__li214051915720"><span>Run the <strong id="ALM-12071__b43699226576">su - omm</strong> command to switch to user <strong id="ALM-12071__b9147527105718">omm</strong>.</span></li><li id="ALM-12071__li4843951151819"><span>Run the <strong id="ALM-12071__b3843205114186">sh ${BIGDATA_HOME}/om-server/OMS/workspace0/ha/module/hacom/script/status_ha.sh</strong> command to check whether the status of the httpd resources managed by the HA is normal. In the single-node system, the httpd resource is in the normal state. In the dual-node system, the httpd resource is in the normal state on the active node and in the stopped state on the standby node.</span><p><ul id="ALM-12071__ul14843105113181"><li id="ALM-12071__li88432515181">If it is, go to <a href="#ALM-12071__li384145118188">7</a>.</li><li id="ALM-12071__li158431517188">If it is not, go to <a href="#ALM-12071__li584395101819">5</a>.</li></ul>
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</p></li><li id="ALM-12071__li584395101819"><a name="ALM-12071__li584395101819"></a><a name="li584395101819"></a><span>Run the <strong id="ALM-12071__b6843951201818">vi $BIGDATA_LOG_HOME/omm/oms/ha/scriptlog/httpd.log</strong> command to view the httpd resource logs, check whether the keyword <strong id="ALM-12071__b9187145311439">ERROR</strong> exists. Analyze the logs to locate and rectify the fault.</span></li><li id="ALM-12071__li118438511180"><span>Five minutes later, check whether this alarm is cleared.</span><p><ul id="ALM-12071__ul1484315115185"><li id="ALM-12071__li3843175115182">If it is, no further action is required.</li><li id="ALM-12071__li1184355116180">If it is not, go to <a href="#ALM-12071__li384145118188">7</a>.</li></ul>
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</p></li></ol>
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<p id="ALM-12071__p1674954751819"><strong id="ALM-12071__b149571522171815">Collect fault information.</strong></p>
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<ol start="7" id="ALM-12071__ol118431551101813"><li id="ALM-12071__li384145118188"><a name="ALM-12071__li384145118188"></a><a name="li384145118188"></a><span>On FusionInsight Manager, choose <strong id="ALM-12071__b884013510187">O&M</strong> > <strong id="ALM-12071__b384045118183">Log</strong> > <strong id="ALM-12071__b8841155115188">Download</strong>.</span></li><li id="ALM-12071__li5841351151811"><span>Select <strong id="ALM-12071__b78412516184">Controller</strong> and <strong id="ALM-12071__b2841175116185">OmmServer</strong> for <strong id="ALM-12071__b18841451201818">Service</strong> and click <strong id="ALM-12071__b3991118545">OK</strong>.</span></li><li id="ALM-12071__li1684175131820"><span>Click <span><img id="ALM-12071__image1084185120186" src="en-us_image_0269383916.png"></span> in the upper right corner. In the displayed dialog box, set <strong id="ALM-12071__b684175111183">Start Date</strong> and <strong id="ALM-12071__b14841185112187">End Date</strong> to 1 hour before and after the alarm generation time respectively and click <strong id="ALM-12071__b8841551191812">OK</strong>. Then, click <strong id="ALM-12071__b10841155112188">Download</strong>.</span></li><li id="ALM-12071__li495644512588"><span>Contact the <span id="ALM-12071__text4614151421417">O&M personnel</span> and send the collected log information.</span></li></ol>
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</div>
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<div class="section" id="ALM-12071__section17816122101811"><h4 class="sectiontitle">Alarm Clearing</h4><p id="ALM-12071__p1395992212185">This alarm will be automatically cleared after the fault is rectified.</p>
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</div>
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<div class="section" id="ALM-12071__section081882241814"><h4 class="sectiontitle">Related Information</h4><p id="ALM-12071__p1295982214187">None</p>
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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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