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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="body9271588"><div class="section" id="ALM-20002__sb4ffbbcbbe9843cb86ae9b6b05fb5eea"><h4 class="sectiontitle">Description</h4><p id="ALM-20002__en-us_topic_0070543524_p51318482">This alarm is generated when the Hue service is unavailable. The system checks the Hue service status every 60 seconds.</p>
<p id="ALM-20002__en-us_topic_0070543524_p59213161">This alarm is cleared when the Hue service is normal.</p>
</div>
<div class="section" id="ALM-20002__s71389bab718642a1b9f299af777bad63"><h4 class="sectiontitle">Attribute</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-20002__en-us_topic_0070543524_table31536769" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-20002__en-us_topic_0070543524_row30299850"><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_0070543524_p38368787">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_0070543524_p20864077">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_0070543524_p12268704">Automatically Cleared</p>
</th>
</tr>
</thead>
<tbody><tr id="ALM-20002__en-us_topic_0070543524_row54240947"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-20002__en-us_topic_0070543524_p31440558">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_0070543524_p63657274">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_0070543524_p55965566">Yes</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="ALM-20002__sd187279c273945a3b238f7517f568b18"><h4 class="sectiontitle">Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-20002__en-us_topic_0070543524_table36917027" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-20002__en-us_topic_0070543524_row16343335"><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_0070543524_p48741777">Name</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_0070543524_p55769855">Meaning</p>
</th>
</tr>
</thead>
<tbody><tr id="ALM-20002__row1040315710912"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-20002__p192431315431">Source</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-20002__p692551319435">Specifies the cluster for which the alarm is generated.</p>
</td>
</tr>
<tr id="ALM-20002__en-us_topic_0070543524_row21064410"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-20002__en-us_topic_0070543524_p28495625">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_0070543524_p26444277">Specifies the service for which the alarm is generated.</p>
</td>
</tr>
<tr id="ALM-20002__en-us_topic_0070543524_row36671901"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-20002__en-us_topic_0070543524_p17633966">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_0070543524_p19065136">Specifies the role for which the alarm is generated.</p>
</td>
</tr>
<tr id="ALM-20002__en-us_topic_0070543524_row37368498"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-20002__en-us_topic_0070543524_p6949536">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_0070543524_p26041554">Specifies the host for which the alarm is generated.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="ALM-20002__saa7931d75c494f168206ee267c0cbc05"><h4 class="sectiontitle">Impact on the System</h4><p id="ALM-20002__en-us_topic_0070543524_p28991153">The system cannot provide data loading, query, and extraction services.</p>
</div>
<div class="section" id="ALM-20002__s1cb3f01d39b04147b1050cfa338c7476"><h4 class="sectiontitle">Possible Causes</h4><ul id="ALM-20002__en-us_topic_0070543524_ul66582052"><li id="ALM-20002__en-us_topic_0070543524_li62367561">The internal KrbServer service on which the Hue service depends is abnormal.</li><li id="ALM-20002__en-us_topic_0070543524_li24437140">The internal DBService service on which the Hue service depends is abnormal.</li><li id="ALM-20002__en-us_topic_0070543524_li18607670">The network connection to the DBService is abnormal.</li></ul>
</div>
<div class="section" id="ALM-20002__s58610db6d57f48b788e16c320e424df2"><h4 class="sectiontitle">Procedure</h4><p class="tableheading" id="ALM-20002__en-us_topic_0070543524_p30826283"><strong id="ALM-20002__b3949119815240">Check whether the KrbServer is abnormal.</strong></p>
<ol id="ALM-20002__ol6560801195748"><li id="ALM-20002__li42821565195739"><span>On the FusionInsight Manager home page, choose <strong id="ALM-20002__b324121564513">Cluster </strong>&gt;<em id="ALM-20002__i146755821120"> Name of the desired cluster</em> &gt;<strong id="ALM-20002__b1924211511456"> Services</strong>. In the service list, check whether the <strong id="ALM-20002__b23937431195739">KrbServer</strong> running status is <strong id="ALM-20002__b10380153064512">Normal</strong>.</span><p><ul class="subitemlist" id="ALM-20002__ul42040653195739"><li id="ALM-20002__li2082902195739">If yes, go to <a href="#ALM-20002__li5904191195739">4</a>.</li><li id="ALM-20002__li34497345195739">If no, go to <a href="#ALM-20002__li11299456195739">2</a>.</li></ul>
</p></li><li id="ALM-20002__li11299456195739"><a name="ALM-20002__li11299456195739"></a><a name="li11299456195739"></a><span>Restart the KrbServer service.</span></li><li id="ALM-20002__li35698584195739"><span>Wait several minutes, and check whether <strong id="ALM-20002__b34586246195739">Hue Service Unavailable</strong> is cleared.</span><p><ul class="subitemlist" id="ALM-20002__ul25295858195739"><li id="ALM-20002__li42840764195739">If yes, no further action is required.</li><li id="ALM-20002__li47549893195739">If no, go to <a href="#ALM-20002__li5904191195739">4</a>.</li></ul>
</p></li></ol>
<p class="tableheading" id="ALM-20002__p26336130195739"><strong id="ALM-20002__b6420522519583">Check whether the DBService is abnormal.</strong></p>
<ol start="4" id="ALM-20002__ol14420228195814"><li id="ALM-20002__li5904191195739"><a name="ALM-20002__li5904191195739"></a><a name="li5904191195739"></a><span>On the FusionInsight Manager home page, choose <strong id="ALM-20002__b1952793411212">Cluster</strong> &gt;<em id="ALM-20002__i724317818133"> Name of the desired cluster</em> &gt;<strong id="ALM-20002__b162421188136"> Services</strong>.</span></li><li id="ALM-20002__li47688832195739"><span>In the service list, check whether the <strong id="ALM-20002__b53137722195739">DBService</strong> running status is <strong id="ALM-20002__b14351038635">Normal</strong>.</span><p><ul class="subitemlist" id="ALM-20002__ul20211840195739"><li id="ALM-20002__li15585198195739">If yes, go to <a href="#ALM-20002__li6429027195739">8</a>.</li><li id="ALM-20002__li54441543195739">If no, go to <a href="#ALM-20002__li3868925195739">6</a>.</li></ul>
</p></li><li id="ALM-20002__li3868925195739"><a name="ALM-20002__li3868925195739"></a><a name="li3868925195739"></a><span>Restart the DBService.</span><p><div class="note" id="ALM-20002__note22799501195739"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p class="text" id="ALM-20002__p24902899195739">To restart the service, enter the FusionInsight Manager administrator password.</p>
</div></div>
</p></li><li id="ALM-20002__li18156479195739"><span>Wait several minutes, and check whether <strong id="ALM-20002__b34820331195739">Hue Service Unavailable</strong> is cleared.</span><p><ul class="subitemlist" id="ALM-20002__ul17622748195739"><li id="ALM-20002__li44947528195739">If yes, no further action is required.</li><li id="ALM-20002__li16871164195739">If no, go to <a href="#ALM-20002__li6429027195739">8</a>.</li></ul>
</p></li></ol>
<p class="tableheading" id="ALM-20002__p24387007195739"><strong id="ALM-20002__b25695296195829">Check whether the network connection to the DBService is normal.</strong></p>
<ol start="8" id="ALM-20002__ol51298870195842"><li id="ALM-20002__li6429027195739"><a name="ALM-20002__li6429027195739"></a><a name="li6429027195739"></a><span>Choose <strong id="ALM-20002__b1322119382416">Cluster</strong> &gt;<em id="ALM-20002__i12778181461312"> Name of the desired cluster</em> &gt; <strong id="ALM-20002__b29190588195739">Services</strong> &gt; <strong id="ALM-20002__b61388703195739">Hue</strong> &gt; <strong id="ALM-20002__b15627417195739">Instance</strong>, record the IP address of the active Hue.</span></li><li id="ALM-20002__li57861246195739"><span>Log in to the active Hue.</span></li><li id="ALM-20002__li49723137195739"><span>Run the <strong id="ALM-20002__b50989172195739">ping</strong> command to check whether communication between the host that runs the active Hue and the hosts that run the DBService is normal. (Obtain the IP addresses of the hosts that run the DBService in the same way as that for obtaining the IP address of the active Hue.)</span><p><ul class="subitemlist" id="ALM-20002__ul20437873195739"><li id="ALM-20002__li36482233195739">If yes, go to <a href="#ALM-20002__li66042197195739">13</a>.</li><li id="ALM-20002__li2270874195739">If no, go to <a href="#ALM-20002__li44855049195739">11</a>.</li></ul>
</p></li><li id="ALM-20002__li44855049195739"><a name="ALM-20002__li44855049195739"></a><a name="li44855049195739"></a><span>Contact the administrator to restore the network.</span></li><li id="ALM-20002__li50077030195739"><span>Wait several minutes, and check whether <strong id="ALM-20002__b1042259195739">Hue Service Unavailable</strong> is cleared.</span><p><ul class="subitemlist" id="ALM-20002__ul60270558195739"><li id="ALM-20002__li9380337195739">If yes, no further action is required.</li><li id="ALM-20002__li21609809195739">If no, go to <a href="#ALM-20002__li66042197195739">13</a>.</li></ul>
</p></li></ol>
<p class="tableheading" id="ALM-20002__p5564114195739"><strong id="ALM-20002__b48315751195859">Collect fault information.</strong></p>
<ol start="13" id="ALM-20002__ol15531959195917"><li id="ALM-20002__li66042197195739"><a name="ALM-20002__li66042197195739"></a><a name="li66042197195739"></a><span>On FusionInsight Manager, choose <strong id="ALM-20002__b96671391156">O&amp;M</strong> &gt; <strong id="ALM-20002__b71951115359">Log </strong>&gt;<strong id="ALM-20002__b5196415857"> Download</strong>.</span></li><li id="ALM-20002__li65547062195739"><span>Select the following nodes in the required cluster from the <strong id="ALM-20002__b57508868195739">Service</strong> drop-down list:</span><p><ul class="subitemlist" id="ALM-20002__ul29652628195739"><li id="ALM-20002__li27706730195739">Hue</li><li id="ALM-20002__li48033979195739">Controller</li></ul>
</p></li><li id="ALM-20002__li1145664103113"><span>Click <span><img id="ALM-20002__image1945644173117" src="en-us_image_0269417439.png"></span> in the upper right corner, and set <strong id="ALM-20002__b6456941173117">Start Date</strong> and <strong id="ALM-20002__b11456154113318">End Date</strong> for log collection to 10 minutes ahead of and after the alarm generation time, respectively. Then, click <strong id="ALM-20002__b13456164113319">Download</strong>.</span></li><li id="ALM-20002__li41053321195739"><span>On the FusionInsight Manager, choose <strong id="ALM-20002__b11880133812510">Cluster </strong>&gt;<em id="ALM-20002__i1071916281136"> Name of the desired cluster</em> &gt;<strong id="ALM-20002__b12718192871320"> Services</strong> &gt; <strong id="ALM-20002__b64213803195739">Hue</strong>.</span></li><li id="ALM-20002__li51219949195739"><span>Choose <strong id="ALM-20002__b33935577195739">More</strong> &gt; <strong id="ALM-20002__b36984738195739">Restart Service</strong>, and click <strong id="ALM-20002__b64427191195739">OK</strong>.</span></li></ol><ol start="18" id="ALM-20002__ol25966954195935"><li id="ALM-20002__li24514466195739"><span>Check whether the alarm is cleared.</span><p><ul class="subitemlist" id="ALM-20002__ul40006531195739"><li id="ALM-20002__li58326361195739">If yes, no further action is required.</li><li id="ALM-20002__li26814791195739">If no, go to <a href="#ALM-20002__li39514705195739">19</a>.</li></ul>
</p></li><li id="ALM-20002__li39514705195739"><a name="ALM-20002__li39514705195739"></a><a name="li39514705195739"></a><span>Contact the <span id="ALM-20002__text4614151421417">O&amp;M personnel</span> and send the collected logs.</span></li></ol>
</div>
<div class="section" id="ALM-20002__section1529716184534"><h4 class="sectiontitle">Alarm Clearing</h4><p id="ALM-20002__p4677152685316">After the fault is rectified, the system automatically clears this alarm.</p>
</div>
<div class="section" id="ALM-20002__sbf8de1837d864a08a95c2656ca095639"><h4 class="sectiontitle">Related Information</h4><p id="ALM-20002__en-us_topic_0070543524_p48858863">None</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_1298.html">Alarm Reference (Applicable to MRS 3.x)</a></div>
</div>
</div>
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