Fujitsu ETERNUS AF Series Manuel de configuration - Page 22

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Fujitsu ETERNUS AF Series Manuel de configuration
Chapter 8
Installing Drivers and Setting Up the Server
8.2
Setting Up the Driver Parameters
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.
8.2.2

For VIOS/VIOC Configuration

Log in to VIOS with the padmin user, use the "oem_setup_env" command to change the padmin user to the
root user, and then use the "smit" command or another command to set the driver parameters.
For a virtual SCSI
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.
FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide -Server Connection- (Fibre Channel) for AIX
Parameter
Setting target
init_link
fcs
num_cmd_elems
fcs
Dyntrk
fscsi
fc_err_recov
fscsi
queue_depth
hdisk
Dyntrk
fscsi
fc_err_recov
fscsi
22
Copyright 2018 FUJITSU LIMITED
Setting value
Remarks
For direct connec-
tions, select [al].
For switch connec-
tions, select [pt2pt].
Arbitrary (*1)
(Up to 1024 for each FC
port of the ETERNUS
DX/AF)
yes
When ETERNUS Multi-
path Driver 2.0 is used,
dyntrk must be set to
"no".
fast_fail
8
yes
fast _fail
P3AM-3782-23ENZ0