************ DRAFT (work in progress) ****************

 

The purpose of this document is to list MDT changelog record types, the cases when they are triggered, and give a description of their content.

  • CL_HSM
    This record type is triggered for HSM-specific events (archive, restore...).
    tfid indicates the targeted object
    cr_flags     include information about the event or action, its completion status, and additional information about HSM status.
    It can be acessed using the folowing helpers:
    • hsm_get_cl_event(cr_flags) returns the type of event or action:

              - HE_ARCHIVE: an 'archive' action completed
              - HE_RESTORE: a 'restore' action completed
              - HE_CANCEL: an HSM action was canceled
              - HE_RELEASE: file objects have been released
              - HE_REMOVE: remove action has been processed by the copytool
              - HE_STATE: HSM state bits have changed

    • hsm_get_cl_error(cr_flags) returns the status for this action:
              - on success: CLF_HSM_SUCCESS
              - on failure: a value between 0x01 and CLF_HSM_MAXERROR=0x7E (error code)
             - CLF_HSM_ERROVERFLOW if the error code is greater than CLF_HSM_MAXERROR
    • hsm_get_cl_flags(cr_flags) returns a bitmask about HSM status
              - (mask & CLF_HSM_DIRTY): indicate the file is dirty

pfid and name fields are not set in CL_HSM records.

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