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Getting configuration information (including additional information) from the SVP

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You can get and update configuration information (including additional information) from the storage system cache on the SVP.
Child Topics

About getting additional information from the SVP
This section describes how to get configuration information, including additional information, from the storage system cache on the SVP after you perform an operation such as changing the configuration.

You can get this information from the following storage systems:

  • VSP 5000 series

The following figure shows an implementation in which configuration information, including additional information, is obtained from the storage system cache on the SVP.

GUID-E61B86F4-FCD9-41F1-B852-596DD2A0DBA4-low.gif

Parent Topic

API requests for getting information from the SVP
The API requests that get information from the SVP storage system cache can get configuration information (including additional information) and copy pair information.

#: For the information about the hardware installed in the storage system, only additional information is obtained from the storage system cache.

It usually takes from one to five minutes (but can take as long as an hour) before the latest information is applied to the cache. To obtain the latest information, run the API request that updates the cache of storage system configuration information to refresh the cache data, and then run the API request for getting information.

Related References
Parent Topic

Updating the cache of storage system configuration information
The following API request updates the cache of storage system configuration information.

The procedure for obtaining information about resources after performing operations such as changing the configuration of resources is as follows.

  1. Run the API request that changes the configuration of resources described in the explanation about API requests for getting information from the SVP.
  2. Run the API request that updates the cache of storage system configuration information.

    It takes about 10 seconds or longer to update the cache information. Depending on the storage system usage status, it might take as long as 20 minutes to receive a response for this API request. Also, if multiple operations for changing the configuration are running concurrently, it might take a long time to receive a response for this API request.

    We recommend that you lock the target resources before running this API request.

    Note

    This API request might fail depending on the number of configuration change operations and the number of resources such as LDEVs. If such a failure occurs, the HTTP status code 503 will be returned. In such a case, wait a while, and then run the request again.

  3. Run the API request that obtains information about the resources whose configuration has been changed.
Execution permission

Storage Administrator (View)

Request line 
POST base-URL/v1/services/storage-cache-service/actions/refresh/invoke
Request message

  • Object ID

    None.

  • Query parameters

    None.

  • Body

    None.

Response message

  • Body

    None.

Action template

None.

Status codes

For details on the status codes of the request for this operation, see the description of HTTP status codes.

Coding example 
curl -v -H "Accept:application/json" -H "Content-Type:application/json" -H "Authorization:Session d7b673af189048468c5af9bcf3bbbb6f" -X POST https://192.0.2.100/ConfigurationManager/v1/services/storage-cache-service/actions/refresh/invoke -d ""
Parent Topic