Installing The Multipath Driver; Installing The Fjspio Package - Fujitsu ETERNUS DX S4 Series Configuration Manual

Chapter 8 Installing Drivers and Setting Up the Server
8.3

Installing the Multipath Driver

●
For a virtual FC adapter
Set the parameter as shown in the following table.
Target server
VIOS
VIOC
*1: Recommended value = 1024 ¸ (number of Fibre Channel ports that are connected to a single CA port)
(Round the result down)
• Use the minimum value of the driver if the actual result is lower.
• To achieve maximum system performance, this value can be changed according to the server load
and the peak operating times.
• The number of simultaneous command executions per CA port for the ETERNUS DX/AF is limited to
1024. This value is used by multiple servers that share the CA port. A maximum of 1024 commands
can be executed per CA port.
8.3 Installing the Multipath Driver
• When the standard multipath driver is used
Install FJSVmpio by following the readme file provided with FJSVmpio.
When the ETERNUS Multipath Driver is used
•
Install the ETERNUS Multipath Driver by following the manual provided with the ETERNUS Multipath Driver.
8.4

Installing the FJspio Package

FJspio is used to register the ETERNUS DX/AF on the AIX server's ODM.
The FJspio package must be installed in both of the following cases:
Single-path connection is used
•
• Multi-path connection is configured using VxVM
FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide -Server Connection- (Fibre Channel) for AIX
Parameter Setting target
num_cmd_elems fcs
init_link fcs
dyntrk fscsi
fc_err_recov fscsi
num_cmd_elems fcs
fc_err_recov fscsi
Dyntrk fscsi
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Copyright 2018 FUJITSU LIMITED
Setting value Remarks
Arbitrary (*1) —
(Up to 1024 for each FC
port of the ETERNUS
DX/AF)
auto
yes
fast _fail
Arbitrary (*1) —
(Up to 1024 for each FC
port of the ETERNUS
DX/AF)
fast _fail
yes
P3AM-3782-23ENZ0