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

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

Question

If active-active storage systems must be temporarily stopped due to equipment room relocation or power supply link failure, how do I correctly power off the storage systems?

Answer

Perform the following operations:

  1. Power off the active-active storage systems.

    1. Stop host services related to the HyperMetro service.
    2. Power off the storage systems.

      Power off one storage system first. After the storage system is powered off, power off the other storage system.

      For details about how to power off a storage system, see Powering off the Storage Device in Administrator Guide of the corresponding product model.

    3. Power off the quorum server.

      For details about how to power off the quorum server, see the power-off document delivered with the quorum server.

    4. (Optional) Power off switches.

      The networking varies with the specific services. Based on actual service requirements, determine whether to power off switches.

  2. Resume the HyperMetro service.

    1. (Optional) Power on switches.

      For details about how to power on switches, see the power-on document delivered with the switches.

    2. Power on the quorum server.

      For details about how to power on the quorum server, see the power-on document delivered with the quorum server.

    3. Power on the storage systems.

      For details about how to power on a storage system, see Powering on the Storage Device in Administrator Guide of the product model.

      NOTICE:

      The active-active storage systems can be powered on at the same time. After they are powered on, wait until HyperMetro Pair and HyperMetro Consistency Group become Normal. Then, you are allowed to power on service hosts.

    4. Power on service hosts and enable host services.

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Updated: 2018-09-03

Document ID: EDOC1000106183

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