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Dell PowerStore Configuring Multiprotocol File Sharing

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User mapping

In a multiprotocol context, a Windows user must be matched with a UNIX user. However, a UNIX user has to be mapped to a Windows user only when the access policy is Windows. This matching is necessary so that file system security can be enforced, even if it is not native to the protocol.

The following components are involved in user mapping:

  • UNIX Directory Services, local files, or both
  • Windows resolvers
  • Secure mapping (secmap) - a cache that contains all mappings between SIDs, and UID or GIDs used by a NAS server.
  • ntxmap
    NOTE:User mapping does not affect the users or groups that are local to the SMB server.

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