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OceanStor 2200 V3 and 2600 V3 Storage System V300R005 SmartVirtualization Feature Guide 07

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Migrating the Reserved Information

Migrating the Reserved Information

Run the related command in the local storage system to migrate the reserved information from the heterogeneous storage system to the local storage system.

Context

The Resource Reservation Protocol (RSVP) is a transport-layer protocol designed to reserve resources for data flows. The protocol neither transports application data flows nor executes routing. It is similar to a control protocol. The protocol is used for reserved information migration.

An application server delivers a reserved information migration request to a storage system. When LUN services are migrated from the heterogeneous storage system to the local storage system, the reserved information on the LUNs is also migrated to the local storage system, ensuring that the application server can properly read data from and write data into the local storage system.

Procedure

  1. Log in to the management interface of the local storage system's CLI.
  2. Run the change protocol service command to migrate the reserved information from the heterogeneous storage system to the local storage system.

    The format of the change protocol service command is change protocol service operation_code=? operation_object_type=? operation_object_id=?. Table 3-14 describes the parameters.

    Table 3-14  Parameter description

    Parameter

    Description

    operation_code=?

    Operation type. The value is relocate.

    operation_object_type=?

    Operation object type. The value is lun_reservation.

    operation_object_id=?

    Operation object ID. The value is the ID of an eDevLUN that is mapped to the application server.
    NOTE:

    To obtain the value, run show lun_takeover genera.

Follow-up Procedure

After migrating the reserved information to the local storage system, perform a rollback if you do not want to use the OceanStor 2200 V3/2600 V3 storage system for online takeover. For details, see Performing Rollback.

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Updated: 2018-12-29

Document ID: EDOC1000106155

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