Fujitsu ETERNUS DX Disk Configuration Manual - Page 16

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Fujitsu ETERNUS DX Disk Configuration Manual

Chapter 8

Setting Up Oracle VM Server

8.1

Setting Up the Fibre Channel Cards

Perform the following driver parameter settings for each model of ETERNUS DX/AF that is to be connec-

ted.

Driver parameter

lpfc_lun-queue-depth

lpfc_topology

lpfc_link-speed

*1: Recommended value = 1024 ¸ (number of Fibre Channel ports that are connected to a single CA

port) ¸ number of LUNs

(Round the result down)

•

Use the value of "8" if the actual result is lower. Use the maximum value if the actual result ex-

ceeds the maximum value of the OS or the driver.

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 com-

mands can be executed per CA port.

*2: Use the following "lpfc_link_speed" setting values.

Fibre

Channel

card

transfer

rate

16Gbit/s

8Gbit/s

4Gbit/s

2Gbit/s

Shut down the server.

After the driver parameter settings are complete, shut down the Oracle VM Server, and then connect the

ETERNUS DX/AF to the server with cables.

8.1.2

For QLogic Fibre Channel Cards

This section explains how to install QLogic Fibre Channel cards in the Oracle VM Server host and how to con-

nect the ETERNUS DX/AF.

FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide -Server Connection- (Fibre Channel) for Oracle VM Server for x86

Setting value

Arbitrary (*1)

(Up to 1024 for each FC port of the ETERNUS DX/AF)

For direct connections: 4

•

For switch connections: 2

When a direct connection is used and the LinkSpeed is 16Gbit/s, select "2".

(*2)

Switch connection

Fibre Channel switch transfer rate

32Gbit/s

16Gbit/s

8Gbit/s

—

4Gbit/s

2Gbit/s

1Gbit/s

—

Direct connection

CA transfer rate

16Gbit/s

8Gbit/s

4Gbit/s

—

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