The following header record fields are currently used by the Archie system:
| Field Name | Function |
primary_hostname |
The primary hostname of the site to which the data belongs. These names are used internally by the Archie system |
| preferred_hostname | The name under which users see this site listed. It will be a valid Domain Name System canonical name (CNAME) for that site if one has been set |
| generated_by | The component of the Archie system which has generated this header. Valid values are: retrieve Output from the parse phase Output from the data acquisition phase Generated by the data retrieval phase Generated by an administrative procedure Generated by the controlling routines (usually after an error) Generated by normal update routines (seldom seen) |
| source_archie_hostname | The name of the Archie server responsible for monitoring information at this Data Host |
| primary_ipaddr | The primary IP address of the Data Host used internally by the Archie system |
| access_methods | The name of the Archie catalog to which this data belongs. E.g., anonftp (for anonymous ftp listings), webindex (for WWW pages) etc .. |
| access_command | The catalog-specific sequence of parameters used during the Data Acquisition phase to perform the acquisition of the raw data from the Data Host. |
| os_type | The operating system type of the Data Host. |
| timezone | The timezone of the Data Host. |
| retrieve_time | The time of data acquisition from the data host. This is written as YYYYMMDDHHMMSS (year, month, day, hour, minute, second) and is always in UTC (GMT). |
| parse_time | The time the data was parsed. Written in the same format as the retrieve_time field. |
| update_time | The time the data was updated. Written in the same format as the retrieve_time field. |
| no_recs | The number of “records” in this data. For example, the value for a file listing would be the number of files in the listing. This field is not used by all catalogs. |
| current_status | Lists the current status of the data host. This can be: del_by_archie available to be queried and inspected temporarily disabled by the system scheduled to be deleted. Usually means that the data in the system is out of date scheduled to be deleted by the local administrator deactivated by the local Archie administrator catalog type is not supported at this data host |
| update_status | One of fail or succeed. Used internally by the system to determine result of the previous phase of the update. |
| prospero_host | One of yes or no describing if the Prospero system is in operation at that site. |
| data_name | Name of individual data in current file. |