forked from docs/doc-exports
Lu, Huayi
95132e24fc
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Reviewed-by: Rechenburg, Matthias <matthias.rechenburg@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
23 lines
3.1 KiB
HTML
23 lines
3.1 KiB
HTML
<a name="EN-US_TOPIC_0000001381728565"></a><a name="EN-US_TOPIC_0000001381728565"></a>
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<h1 class="topictitle1">What Should I Do If I Cannot Connect to a GaussDB(DWS) Cluster?</h1>
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<div id="body0000001381728565"><div class="section" id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_section54098691141813"><h4 class="sectiontitle">Possible Causes</h4><p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p10182767141855">Check the following:</p>
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<ul id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_ul54665155135917"><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li52391067135922">Whether the cluster status is normal.</li><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li22224351135917">Whether the connection command, username, password, IP address, and port number are incorrect.</li><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li5596044814829">Whether the operating system type and version of the client are correct.</li><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li65801438135917">Whether the client is incorrectly installed.</li></ul>
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<p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p53656291135638">If cluster connection failed on the public cloud, check for the following as well:</p>
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<ul id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_ul24851666135710"><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li66827918135710">The ECSs are not in the same AZ, VPC, subnet, and security group as the cluster.</li><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li64580350135710">Some of the inbound and outbound rules of the security group are incorrect.</li></ul>
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<p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p59305070135730">If cluster connection failed through the Internet, confirm the following:</p>
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<ul id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_ul4900291114338"><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li2522031714338">Whether your network is connected to the Internet.</li><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li246636121464">Whether the firewall blocked the access.</li><li id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_li4015908714747">Whether you need to access the Internet through a proxy.</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_section22426480141944"><h4 class="sectiontitle">Contacting Customer Service</h4><p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p1717218114941">Call the Customer Hotline for support.</p>
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<p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p6026161991636">Telephone:</p>
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<p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p1241007591725">Germany: 0800 330 44 44</p>
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<p id="EN-US_TOPIC_0000001381728565__en-us_topic_0000001145896695_p4458181891725">International: +800 44556600</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_03_0024.html">Database Connections</a></div>
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