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OceanStor 2600 V3 Storage System V300R005 HyperMetro Feature Guide 06

"This document describes the implementation principles and application scenarios of theHyperMetro feature. Also, it explains how to configure and manage HyperMetro."
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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?

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?

Question

The quorum server software is newly installed, the quorum server communicates with storage arrays properly, and the configurations on the quorum server are correct. However, a quorum link of the quorum server fails to be added on a storage array. The storage array reports a communication error or an invalid certificate. What can I do if the problem occurs?

Answer

The validity period of the default HyperMetro arbitration certificate is 10 years (start from September 2015). The arbitration certificate will become invalid if the system time of the quorum server or a storage array is incorrectly set to a value that exceeds the validity period of the certificate.

Possible causes are as follows:

  • The system time of the quorum server is incorrectly set to a value that exceeds the validity period of the default arbitration certificate. As a result, the quorum link fails to be added.
  • The system time of a storage array is incorrectly set to a value that exceeds the validity period of the default arbitration certificate. As a result, the quorum link fails to be added.

Perform the following operations:

  1. Check whether the HyperMetro arbitration certificate on the quorum server is valid.

    1. In any directory of the quorum server in the operating system mode, run the qsadmin command to open the arbitration software.
    2. In the CLI of the arbitration software, run the show tls_cert command to check whether the HyperMetro arbitration certificate is valid.
    NOTE:

    If State is Valid, the HyperMetro arbitration certificate is valid.

    • If the HyperMetro arbitration certificate is valid, go to Step 3.
    • If the HyperMetro arbitration certificate is invalid, go to Step 2.

  2. Check whether the system time of the quorum server is incorrectly set.

    Run the date command to check the system time of the quorum server.

    • If the system time of the quorum server is correct, go to Step 3.
    • If the system time of the quorum server is incorrect, modify the system time and restart the quorum server. Then add the certificates again. If the quorum link still fails to be added after the quorum server is restarted, go to Step 3.

  3. Check whether the HyperMetro arbitration certificate on the storage array is valid.

    1. Log in to OceanStor DeviceManager of the storage array. Choose Settings > Storage Settings > Value-added Service Settings > Credential Management to go to the certificate management page.
    2. On the certificate management page, check the validity of the HyperMetro arbitration certificate.
      • If the HyperMetro arbitration certificate is valid, go to Step 5.
      • If the HyperMetro arbitration certificate is invalid, go to Step 4.

  4. Check whether the system time of the storage array is incorrectly set.

    Log in to OceanStor DeviceManager of the storage array. Choose Settings > Basic Information > Device Time to check the system time of the storage array.

    • If the system time of the storage array is correct, go to Step 5.
    • If the system time of the storage array is incorrect, modify the system time. Then add the certificates again. If the quorum link still fails to be added after the system time of the storage array is modified, go to Step 5.

  5. Contact Huawei technical support.
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Updated: 2018-09-03

Document ID: EDOC1000106183

Views: 29234

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