This is what you are looking for
EXEC sp_xml_preparedocument @dochandle OUTPUT, @xmldocument;
SELECT
server,
name,
start_time,
type,
log_name,
media_mount_date,
drive_name,
media_label,
media_guid,
media_overwrite_date,
media_append_date,
media_set_target
FROM OPENXML(@dochandle, 'joblog', 1)
WITH
(
server [varchar](20) 'header/server/text()',
name [varchar](300) 'header/name/text()',
start_time [varchar](100) 'header/start_time/text()',
type varchar(20) 'header/type/text()',
log_name varchar(100) 'header/log_name/text()',
media_mount_date varchar(100) 'media_mount_date/text()',
-- some others you may be interested in...
drive_name varchar(100) 'media_drive_and_media_info/drive_name/text()',
media_label varchar(100) 'media_drive_and_media_info/media_label/text()',
media_guid varchar(100) 'media_drive_and_media_info/media_guid/text()',
media_overwrite_date varchar(100) 'media_drive_and_media_info/media_overwrite_date/text()',
media_append_date varchar(100) 'media_drive_and_media_info/media_append_date/text()',
media_set_target varchar(100) 'media_drive_and_media_info/media_set_target/text()'
)
EXEC sp_xml_removedocument @dochandle;
Note that I included the "text()" node... This is a good "best practice" for when your are dealing exclusively with atomic text values.
-- Itzik Ben-Gan 2001