HP P6350 User Manual download pdf (Page 63)

1. Ensure that you have the latest supported version of the lpfc driver (see http://www.hp.com/

storage/spock).

You must sign up for an HP Passport to enable access. For more information on how to use

SPOCK, see the Getting Started Guide (http://h20272.www2.hp.com/Pages/spock_overview/

introduction.html).

2. Edit the following parameters in the /kernel/drv/lpfc.conf driver configuration file to

set up the FCAs for a SAN infrastructure:

topology=2;

scan-down=0;

nodev-tmo=60;

linkdown-tmo=60;

3. If using a single FCA and no multipathing, edit the following parameter to reduce the risk of

data loss in case of a controller reboot:

nodev-tmo=120;

4. If using Veritas Volume Manager (VxVM) DMP for multipathing (single or multiple FCAs), edit

the following parameter to ensure proper VxVM behavior:

no-device-delay=0;

5. In a fabric topology, use persistent bindings to bind a SCSI target ID to the world wide port

name (WWPN) of an array port. This ensures that the SCSI target IDs remain the same when

the system reboots. Set persistent bindings by editing the configuration file or by using the

lputil utility.

NOTE: HP recommends that you assign target IDs in sequence, and that the EVA has the

same target ID on each host in the SAN.

The following example for an P63x0/P65x0 EVAs illustrates the binding of targets 20 and

21 (lpfc instance 2) to WWPNs 50001fe100270938 and 50001fe100270939, and the

binding of targets 30 and 31 (lpfc instance 0) to WWPNs 50001fe10027093a and

50001fe10027093b:

fcp-bind-WWPN="50001fe100270938:lpfc2t20",

"50001fe100270939:lpfc2t21",

"50001fe10027093a:lpfc0t30",

"50001fe10027093b:lpfc0t31";

NOTE: Replace the WWPNs in the example with the WWPNs of your array ports.

6. For each LUN that will be accessed, add an entry to the /kernel/drv/sd.conf file. For

example, if you want to access LUNs 1 and 2 through all four paths, add the following entries

to the end of the file:

name="sd" parent="lpfc" target=20 lun=1;

name="sd" parent="lpfc" target=21 lun=1;

name="sd" parent="lpfc" target=30 lun=1;

name="sd" parent="lpfc" target=31 lun=1;

name="sd" parent="lpfc" target=20 lun=2;

name="sd" parent="lpfc" target=21 lun=2;

name="sd" parent="lpfc" target=30 lun=2;

name="sd" parent="lpfc" target=31 lun=2;

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