5.1.4.3 Adding a Link....................................................................................................................................................... 156

5.1.4.4 Removing a Link.................................................................................................................................................. 156

5.1.4.5 Removing a Quorum Server................................................................................................................................. 157

5.1.4.6 Uninstalling the Arbitration Software.................................................................................................................. 157

5.1.5 Importing Certificates..............................................................................................................................................158

5.2 Managing HyperMetro in the Tenant View................................................................................................................ 161

5.2.1 Viewing HyperMetro Pair Information................................................................................................................... 161

5.2.2 Modifying HyperMetro Pair Properties...................................................................................................................167

5.2.3 Synchronizing a HyperMetro Pair........................................................................................................................... 169

5.2.4 Suspending a HyperMetro Pair................................................................................................................................170

5.2.5 Deleting a HyperMetro Pair.................................................................................................................................... 170

6 FAQs.............................................................................................................................................172

6.1 What Can I Do If a Quorum Link Fails to Be Added Because the HyperMetro Arbitration Certificate Becomes

Invalid or the System Time Becomes Abnormal?............................................................................................................ 172

6.2 Active and Standby IP Ports Are Configured on the Quorum Server. After the Port in Use Is Down, the Quorum

Server Goes Offline. Why?...............................................................................................................................................174

6.3 How Do I Power Off Active-Active Storage Systems and Resume the HyperMetro Service?................................. 175

6.4 When Both the HyperMetro and Remote Backup Services Are Created, the Excessively Low Link Bandwidth

Between Storage Systems Causes the Remote Backup Service to Fail............................................................................176

6.5 What Can I Do If the Remote Connection Fails to Be Created with the TOE Interface Module.............................. 177

6.6 How Can I Use OVA Templates to Quickly Deploy Virtual Quorum Servers?......................................................... 177

7 Troubleshooting........................................................................................................................ 182

7.1 A Quorum Link Fails to Be Added After the Quorum Server Is Replaced................................................................182

A How to Obtain Help.................................................................................................................184

A.1 Preparations for Contacting Huawei..........................................................................................................................184

A.1.1 Collecting Troubleshooting Information................................................................................................................ 184

A.1.2 Making Debugging Preparations............................................................................................................................ 185

A.2 How to Use the Document.........................................................................................................................................185

A.3 How to Obtain Help from Website............................................................................................................................ 185

A.4 Ways to Contact Huawei............................................................................................................................................185

B Glossary...................................................................................................................................... 186

C Acronyms and Abbreviations................................................................................................ 187

Issue 05 (2018-01-30)

Huawei Proprietary and Confidential

vii

Table of Contents