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ETERNUS SF AdvancedCopy Manager V15.3 Operation Guide
ETERNUS

7.4.4 Fetching device information on a Managed Server

This process can be executed using either Web Console or stgxfwcmsetdev (Device information collection/reflection command).

Note

  • Device information on the Managed Server must briefly be stored in the repository.
    The area required when updating the repository may not be available when information concerning devices under multiple Managed Servers is fetched. Therefore, check if there is sufficient area for updating the repository before fetching the device information. If there is insufficient area, allocate the required area before fetching the device information.

    Refer to step 2 in "11.2.3 Troubleshooting: Failure in accessing a repository database" for details on checking the required area.

  • The time required for this operation depends on the total number of devices defined on the Managed Server. If the number of devices is large, perform this operation while the CPU load and I/O load are both low. As a guideline, each operation takes about 0.5 seconds per device (or partition) under no-load conditions.

  • When backup synchronous processing or synchronous replication processing is being performed, device information may not be obtained accurately. Therefore, when determining device information, please take this into consideration when synchronous processes are cancelled.