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doc-exports/docs/mrs/umn/alm_20002.html
Yang, Tong 3b1f73dece MRS UMN 2.0.38.SP20 version 
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>
2022-12-13 12:03:34 +00:00

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<a name="alm_20002"></a><a name="alm_20002"></a>
<h1 class="topictitle1">ALM-20002 Hue Service Unavailable</h1>
<div id="body8662426"><div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section42400121"><h4 class="sectiontitle">Description</h4><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p12801154">The system checks the Hue service status every 60 seconds. This alarm is generated if the Hue service is unavailable.</p>
<p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p48101526">This alarm is cleared when the Hue service is normal.</p>
</div>
<div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section46056776"><h4 class="sectiontitle">Attribute</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_table3909558" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_row9358345"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p19828475">Alarm ID</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p62602629">Alarm Severity</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p37648208">Automatically Cleared</p>
</th>
</tr>
</thead>
<tbody><tr id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_row29606020"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p49277383">20002</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p32045124">Critical</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p45518241">Yes</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section11857806"><h4 class="sectiontitle">Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_table63098886" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_row42029922"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p48980553">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p8001819">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_row44167618"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p20807334">ServiceName</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p7672494">Specifies the service for which the alarm is generated.</p>
</td>
</tr>
<tr id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_row1943587"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p23212893">RoleName</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p1196208">Specifies the role for which the alarm is generated.</p>
</td>
</tr>
<tr id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_row10765874"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p66729436">HostName</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p36375218">Specifies the host for which the alarm is generated.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section39611396"><h4 class="sectiontitle">Impact on the System</h4><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p60711582">The system cannot provide data loading, query, and extraction services.</p>
</div>
<div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section20958252"><h4 class="sectiontitle">Possible Causes</h4><ul id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul18691077"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li34001971">The KrbServer service on which Hue depends is abnormal.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li37582289">The DBService service on which Hue depends is abnormal.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li2696289">The network connection to DBService is abnormal.</li></ul>
</div>
<div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section54406541"><h4 class="sectiontitle">Procedure</h4><p class="tableheading" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p17072831"><strong id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_b5501399694318">Check whether the KrbServer service is normal.</strong></p>
<ol id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ol4012131494325"><li id="alm_20002__en-us_topic_0191813890_li1487713813414"><span>Go to the MRS cluster details page and click <strong id="alm_20002__b30810277554810">Components</strong>.</span><p><div class="note" id="alm_20002__en-us_topic_0191813890_note148774381044"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_20002__en-us_topic_0191813890_p38771238047">For MRS 1.7.2 or earlier, log in to MRS Manager and click <strong id="alm_20002__b660314115138">Services</strong>.</p>
</div></div>
</p></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6667565294312"><span>In the service list, check whether <strong id="alm_20002__b58813669854810">Health Status</strong> of <strong id="alm_20002__b2611670354810">KrbServer</strong> is <strong id="alm_20002__b33746626754810">Good</strong>.</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul4469110894312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6661783294312">If yes, go to <a href="#alm_20002__en-us_topic_0191813890_li1965161312249">5</a>.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li2733530094312">If no, go to <a href="#alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3201870494312">3</a>.</li></ul>
</p></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3201870494312"><a name="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3201870494312"></a><a name="en-us_topic_0191813890_en-us_topic_0087039274_li3201870494312"></a><span>Click <strong id="alm_20002__b126987068754810">Restart</strong> in the <strong id="alm_20002__b198970575954810">Operation</strong> column of the KrbServer service to restart the service.</span></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6316718594312"><span>Wait for several minutes. Check whether ALM-20002 Hue Service Unavailable is cleared.</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul2397796794312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li1973288794312">If yes, no further action is required.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li5486000194312">If no, go to <a href="#alm_20002__en-us_topic_0191813890_li1965161312249">5</a>.</li></ul>
</p></li></ol>
<p class="tableheading" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p1447511694312"><strong id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_b1662674794351">Check whether DBService is normal.</strong></p>
<ol start="5" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ol220889719446"><li id="alm_20002__en-us_topic_0191813890_li1965161312249"><a name="alm_20002__en-us_topic_0191813890_li1965161312249"></a><a name="en-us_topic_0191813890_li1965161312249"></a><span>Go to the MRS cluster details page and click <strong id="alm_20002__b53348096854810">Components</strong>.</span><p><div class="note" id="alm_20002__en-us_topic_0191813890_note1965101342418"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_20002__en-us_topic_0191813890_p1196541382417">For MRS 1.7.2 or earlier, log in to MRS Manager and click <strong id="alm_20002__b0188186181314">Services</strong>.</p>
</div></div>
</p></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3555346994312"><span>In the service list, check whether <strong id="alm_20002__b137385270654810">Health Status</strong> of <strong id="alm_20002__b143406923154810">DBService</strong> is <strong id="alm_20002__b2287487854810">Good</strong>.</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul3377654794312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li1219773194312">If yes, go to <a href="#alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3066850394312">9</a>.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li4849219294312">If no, go to <a href="#alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6300946494312">7</a>.</li></ul>
</p></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6300946494312"><a name="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6300946494312"></a><a name="en-us_topic_0191813890_en-us_topic_0087039274_li6300946494312"></a><span>Click <strong id="alm_20002__b142819237054810">Restart</strong> in the <strong id="alm_20002__b89947187254810">Operation</strong> column of the DBService service to restart the service.</span><p><div class="note" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_note1445759294312"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p class="text" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p6125872294312">To restart the service, you need to enter the password of the MRS Manager administrator and select <strong id="alm_20002__b116159155543">Start or restart related services</strong> .</p>
</div></div>
</p></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3323377394312"><span>Wait for several minutes. Check whether ALM-20002 Hue Service Unavailable is cleared.</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul1449486994312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3021426994312">If yes, no further action is required.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3143670294312">If no, go to <a href="#alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3066850394312">9</a>.</li></ul>
</p></li></ol>
<p class="tableheading" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p6334496594312"><strong id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_b2561360994429">Check whether the network connected to DBService is normal.</strong></p>
<ol start="9" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ol3611651994446"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3066850394312"><a name="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3066850394312"></a><a name="en-us_topic_0191813890_en-us_topic_0087039274_li3066850394312"></a><span>Choose <strong id="alm_20002__b6240443754810">Components</strong> &gt; <strong id="alm_20002__b186587181254810">Hue</strong> &gt; <strong id="alm_20002__b37650171454810">Instance</strong> and record the IP address of the active Hue node.</span></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li758107794312"><span>Use PuTTY to log in to the active Hue.</span></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li6429747194312"><span>Run the <strong id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_b112083094312">ping</strong> command to check whether the network connection between the host where the active Hue is located and the host where DBService is located is normal. (The method of obtaining the DBService service IP address is the same as that of obtaining the active Hue IP address.)</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul1460070394312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li2367843494312">If yes, go to <a href="#alm_20002__en-us_topic_0191813890_li8901153153924">17</a>.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li3890500294312">If no, go to <a href="#alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li4180632994312">12</a>.</li></ul>
</p></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li4180632994312"><a name="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li4180632994312"></a><a name="en-us_topic_0191813890_en-us_topic_0087039274_li4180632994312"></a><span>Contact the network administrator to repair the network.</span></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li34447494312"><span>Wait for several minutes. Check whether ALM-20002 Hue Service Unavailable is cleared.</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul1740284794312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li4071264894312">If yes, no further action is required.</li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li939019094312">If no, go to <a href="#alm_20002__en-us_topic_0191813890_li8901153153924">17</a>.</li></ul>
<p id="alm_20002__en-us_topic_0191813890_p17246562163231"><strong id="alm_20002__en-us_topic_0191813890_b4724841163130">Collect fault information.</strong></p>
</p></li><li id="alm_20002__en-us_topic_0191813890_li65553554163147"><span>On MRS Manager, choose <span class="menucascade" id="alm_20002__menucascade7437182165516"><b><span class="uicontrol" id="alm_20002__uicontrol243712217554">System</span></b> &gt; <b><span class="uicontrol" id="alm_20002__uicontrol1843710295510">Export Log</span></b></span>.</span></li><li id="alm_20002__en-us_topic_0191813890_li33480884163253"><span>Select the following nodes from the <strong id="alm_20002__b25219952854810">Services</strong> drop-down list and click <strong id="alm_20002__b23463312154810">OK</strong>. </span><p><ul id="alm_20002__en-us_topic_0191813890_ul33921367163357"><li id="alm_20002__en-us_topic_0191813890_li48508283163357">Hue</li><li id="alm_20002__en-us_topic_0191813890_li3187149116342">Controller</li></ul>
</p></li><li id="alm_20002__en-us_topic_0191813890_li47774398163431"><span>Set <strong id="alm_20002__b87127907554810">Start Time</strong> and <strong id="alm_20002__b88866078954810">End Time</strong> for log collection to 10 minutes before and after the alarm is generated, select an export type, and click <strong id="alm_20002__b55828463154810">OK</strong> to collect the corresponding fault log information.</span></li></ol>
<p id="alm_20002__en-us_topic_0191813890_p27810233153821"><strong id="alm_20002__en-us_topic_0191813890_b58178543153946">Restart Hue.</strong></p>
<ol start="17" id="alm_20002__en-us_topic_0191813890_ol30815178153924"><li id="alm_20002__en-us_topic_0191813890_li8901153153924"><a name="alm_20002__en-us_topic_0191813890_li8901153153924"></a><a name="en-us_topic_0191813890_li8901153153924"></a><span>Choose <strong id="alm_20002__b137090892354810">Components</strong> &gt; <strong id="alm_20002__b121371898954810">Hue</strong>.</span></li><li id="alm_20002__en-us_topic_0191813890_li13001514153924"><span>Choose <strong id="alm_20002__b43539621754810">More</strong> &gt; <strong id="alm_20002__b1308889654810">Restart Service</strong> and click <strong id="alm_20002__b96006378954810">OK</strong>.</span></li><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li5969031294312"><span>Check whether the alarm is cleared.</span><p><ul class="subitemlist" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ul1408879794312"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_li821231594312">If yes, no further action is required.</li><li id="alm_20002__en-us_topic_0191813890_li60255033154824">If no, go to <a href="#alm_20002__en-us_topic_0191813890_li572522141314">20</a>.</li></ul>
</p></li></ol><ol start="20" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_ol4071180194522"><li id="alm_20002__en-us_topic_0191813890_li572522141314"><a name="alm_20002__en-us_topic_0191813890_li572522141314"></a><a name="en-us_topic_0191813890_li572522141314"></a><span>Collect fault information.</span><p><ol type="a" id="alm_20002__en-us_topic_0191813890_en-us_topic_0191813935_ol6089206913036"><li id="alm_20002__en-us_topic_0191813890_en-us_topic_0191813935_li4478836213036">On MRS Manager, choose <strong id="alm_20002__b1934074012556">System</strong> &gt; <strong id="alm_20002__b155551943195517">Export Log</strong>.</li><li id="alm_20002__li18574327401">Contact technical support engineers for help. For details, see <a href="https://docs.otc.t-systems.com/en-us/public/learnmore.html" target="_blank" rel="noopener noreferrer">technical support</a>.</li></ol>
</p></li></ol>
<p id="alm_20002__en-us_topic_0191813890_p39627250154432"></p>
</div>
<div class="section" id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_section19896826"><h4 class="sectiontitle">Reference</h4><p id="alm_20002__en-us_topic_0191813890_en-us_topic_0087039274_p9275082">None</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_0241.html">Alarm Reference (Applicable to Versions Earlier Than MRS 3.x)</a></div>
</div>
</div>
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