forked from docs/doc-exports
Zaoxu, Li
305c41bb57
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Zaoxu, Li <lizaoxu@huawei.com> Co-committed-by: Zaoxu, Li <lizaoxu@huawei.com>
21 lines
3.1 KiB
HTML
21 lines
3.1 KiB
HTML
<a name="evs_01_0031"></a><a name="evs_01_0031"></a>
|
|
|
|
<h1 class="topictitle1">Failover (Deprecated)</h1>
|
|
<div id="body1508295804297"><div class="section" id="evs_01_0031__section5572733817211"><h4 class="sectiontitle">Scenarios</h4><p id="evs_01_0031__p6121985021913">When the production servers and disks in the primary AZ become faulty due to force majeure, users can make API calls to perform a failover for the replication consistency group and enable the DR servers and disks in the secondary AZ to ensure the service continuity.</p>
|
|
<div class="note" id="evs_01_0031__note98481557151510"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="evs_01_0031__evs_01_0020_p883713341981">EVS replication APIs have been deprecated. If you need to use the replication function, see <a href="https://docs.otc.t-systems.com/en-us/usermanual/sdrs/en-us_topic_0125068221.html" target="_blank" rel="noopener noreferrer">Storage Disaster Recovery Service User Guide</a> and <a href="https://docs.otc.t-systems.com/en-us/api/sdrs/sdrs_01_0000.html" target="_blank" rel="noopener noreferrer">Storage Disaster Recovery Service API Reference</a>.</p>
|
|
</div></div>
|
|
</div>
|
|
<div class="section" id="evs_01_0031__section3159922995753"><h4 class="sectiontitle">Prerequisites</h4><p id="evs_01_0031__p3892966142513">Confirm with the customer service that servers and disks in the production AZ are faulty, and the deployed services are unavailable.</p>
|
|
</div>
|
|
<div class="section" id="evs_01_0031__section55139435172113"><h4 class="sectiontitle">Procedure</h4><ol id="evs_01_0031__ol25404739172247"><li id="evs_01_0031__li383357810325"><span>Perform a failover for the replication consistency group.</span><p><p id="evs_01_0031__p1106178211350">For details, see <strong id="evs_01_0031__b84235270619933">Performing a Failover for a Replication Consistency Group</strong> in the <em id="evs_01_0031__i84235269719946">Elastic Volume Service API Reference</em>.</p>
|
|
</p></li><li id="evs_01_0031__li182606295123"><span>If Elastic Load Balancing (ELB) or EIPs are used, unbind the ELB or EIPs with the production servers and bind them to the DR servers.</span><p><ul id="evs_01_0031__evs_01_0030_ul50068430171458"><li id="evs_01_0031__evs_01_0030_li7836699171458">For details about ELB, see <strong id="evs_01_0031__evs_01_0030_b842352706184653">Backend Server (Enhanced Load Balancer)</strong> in the <em id="evs_01_0031__evs_01_0030_i842352697184659">Elastic Load Balancing User Guide</em>.</li><li id="evs_01_0031__evs_01_0030_li4161371317151">For details about EIPs, see <strong id="evs_01_0031__evs_01_0030_b84235270693653">Elastic IP Address</strong> in the <em id="evs_01_0031__evs_01_0030_i842352697203114">Virtual Private Cloud User Guide</em>.</li></ul>
|
|
</p></li><li id="evs_01_0031__li28806369162426"><span>Verify that the DR server OSs can be normally started, deployed services are available, and the data is complete.</span></li></ol>
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<div class="familylinks">
|
|
<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_0023.html">Managing EVS Replication (Deprecated)</a></div>
|
|
</div>
|
|
</div>
|
|
|