User`s guide

42 Implementing an Open IBM SAN
See Table 1-7 for the recommended configuration settings for the
host-bus-adapter for a JNI FC64-1063 and a JNI FCI-1063.
Table 1-7 Recommended JNI HBA settings
See Table 1-8 for recommended host bus adapter configuration file parameters
for an Emulex LP8000 adapter
Table 1-8 Recommended Emulex LP8000 HBA settings.
Parameters Recommended settings
fca_nport 0: Default. Initializes on a loop
1: Recommended for fabric. Initializes as an N_Port.
public loop 0: Default. Recommended. Initializes according to which
fca_nport is set as disabled.
ip_disable 0: Default. IP side of the driver is enabled.
1: Recommended for fabric. IP side of the adapters is
completely disabled.
failover See the following Web site for details on how to set the
parameter setting:
www.storage.ibm.com/hardsoft/products/ess/supserver
.htm
busy_retry_delay 500: Recommended. Delay between retries after device
returns a busy response for a command.
scsi_probe_delay 5000: Recommended. Delay before SCSI probes are
allowed during startup.
Parameters Recommended settings
automap 1: Default. Automatically assigns SCSI IDs to FCP targets.
fcp-on 1: Default. Turn on FCP.
lun-queue-depth 16: Recommended when there are less then 17 LUNs per
adapter. Set value = 256/(Total LUNs per adapter) when
there are more than 16 LUNs per adapter. If your
configuration includes more than one LP8000 adapter per
server, calculate the lun-queue-depth value using the
adapter with the most LUNs attached.
no-device-delay 15: Recommended.Delay to failback and I/O.
network-on 0: Default. Recommended for fabric. Do not turn on IP
networking
1: Turn on IP networking.