18 About the Command Line InterfaceCommand Line ParametersTable 1-2. Command Line ParametersParameter Definitionhost-name-or-IP-address Specify either the host name or the Internet Protocol (IP)address of an in-band managed storage array (IPv4 or iPv6)or an out-of-band managed storage array (IPv4 only).• If you manage a storage array by using a host connecteddirectly to the storage array (in-band storagemanagement), you must use the -n parameter if morethan one storage array is connected to the host.• If you manage a storage array through an Ethernetconnection (out-of-band storage management), youmust specify the host-name-or-IP-address of theredundant array of independent disks (RAID) controllermodules.• If you have previously configured a storage array in thegraphical user interface (GUI) of the MD StorageManager, you can specify the storage array by itsuser-supplied name by using the -n parameter.-A Use to add a storage array to the configuration files. If youdo not follow the -A parameter with ahost-name-or-IP-address, automatic discovery scans thelocal subnet for storage arrays.-a Use to add an SNMP trap destination or an email addressalert destination.• When adding an SNMP trap destination, the SNMPcommunity is automatically defined as the communityname for the trap and the host is the IP address orDomain Name Server (DNS) host name of the system towhich the trap should be sent.• When adding an email address for an alert destination,the email-address is the email address to which to sendthe alert message.