def delete_raid_configuration(irmc_info):
    """Delete whole raid configuration or one of logical drive on the server.

    :param irmc_info: node info
    """
    # Attempt to get raid configuration on BM Server
    raid_adapter = get_raid_adapter(irmc_info)
    existing_logical_drives = _get_existing_logical_drives(raid_adapter)
    # Ironic requires delete_configuration first. Will pass if blank raid
    # configuration in server.
    if not existing_logical_drives:
        return
    raid_adapter['Server']['HWConfigurationIrmc'].update({
        '@Processing': 'execute'})
    logical_drive = raid_adapter['Server']['HWConfigurationIrmc'][
        'Adapters']['RAIDAdapter'][0]['LogicalDrives']['LogicalDrive']

    for drive in logical_drive:
        drive['@Action'] = 'Delete'

    # Attempt to delete logical drive in the raid config
    session = elcm_profile_set(irmc_info, raid_adapter)
    # Monitoring raid config delete session until done.
    session_timeout = irmc_info.get('irmc_raid_session_timeout',
                                    RAID_CONFIG_SESSION_TIMEOUT)
    _process_session_data(irmc_info, 'CONFIG_RAID', session['Session']['Id'],
                          session_timeout)

    # Attempt to delete raid adapter
    elcm_profile_delete(irmc_info, PROFILE_RAID_CONFIG)
Delete whole raid configuration or one of logical drive on the server.

    :param irmc_info: node info