Procedure For Enabling Multi-Queue Feature For Hitachi Gigabit Fibre Channel Adapter - Hitachi GVX-CC64G*BX User Manual

Procedure for enabling Multi-queue
feature for Hitachi Gigabit Fibre
Channel Adapter
If you set the Multi-queue feature of Hitachi Gigabit Fibre Channel Adapter to enabled,
please excute the below steps.
(1) Enable SCSI-MQ feature of OS
Please refer to "Procedure for enabling / disabling SCSI-MQ feature".
(2) Set Connection Type and Multiple PortID
Please setup Connection Type and Multiple Port ID as below.
[In the case of FC-Switch connection configuration]
Point to Point connection (Connection Type: Point to Point, Multiple PortID:
Disable)
[In the case of storage direct connection configuration]
Fabric Emulation connection (Connection Type: Point to Point, Multiple PortID:
Enable)
About Connection Type and Multiple Port ID refer to "Hitachi Gigabit Fibre Channel
Adapter User's Guide (BIOS/EFI Edition)" for details.
(3) Determine the number of the queues of Hitachi Gigabit Fibre Channel Adapter
Please determine the number of the Linux driver queue depending on CPU
number.
[Confirm the CPU number]
The CPU number is confirmed by excuting the below command.
# more /sys/class/scsi_host/hostX/hfcldd_proc
for example
・・・
Server Information
Socket number
Physical cpu number
Online cpu number
---
(X=0,1,...)
= 2
= 30
= 60
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