Emulex LightPulse LPe1105-M4 HBA Instalační příručka stáhnout pdf (Strana 112)

112

EMC Host Connectivity with Emulex FC HBAs and FCoE CNAs for the Linux Environment

Connecting to the Storage

Editing /usr/src/lpfc/lpfc.conf

The Emulex v7.1.14 driver uses the lpfc_fcp_bind_method

parameter. When using the lpfc_fcp_bind_method parameter, the

following values will force a particular type of binding:

◆ A value of 1 forces WWNN binding.

◆ A value of 2 forces WWPN binding.

◆ A value of 3 forces DID binding.

◆ A value of 4 forces the driver to derive the binding from ALPA.

EMC recommends enabling persistent binding via WWPN; therefore,

the default value of 2 should be used.

To edit

/usr/src/lpfc/lpfc.conf and compile the persistent

binding parameters into the driver, follow these steps:

1. Please note the following requirements when enabling persistent

binding:

• Only one persistent binding method can be used.

•The

lpfc_automap parameter must be set to 0.

•The

lpfc_scan_down parameter must be set to 0.

2. As stated previously, the

lpfc_scan_down parameter must be set

to 0 when using persistent binding. Search for the

lpfc_scan_down parameter in /usr/src/lpfc/lpfc.conf and

change the value from:

int lpfc_scan_down = 1;

int lpfc_scan_down = 0;

3. Next, the lpfc_automap parameter must be set to 0 when using

persistent binding. Search for the

lpfc_automap parameter in

/usr/src/lpfc/lpfc.conf and change the value from:

int lpfc_automap = 1;

int lpfc_automap = 0;

2-2Installing and Configuring the HBA and Driver

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Emulex LightPulse LPe1105-M4 HBA Instalační příručka Strana 112