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Chapter 7 Installing the iSCSI Software Initiator and Setting Up the Server

7.2 Setting Up the Server

7.2.1

Setting Up the Command Queue Depth

Set the number of commands allowed to be queued (command queue depth) on each LUN in the

ETERNUS Disk storage systems from the LAN card. This setting optimizes the connection

between the ETERNUS Disk storage systems and the server.

Procedure

P3AM-4182-03ENZ0

Server Connection Guide (iSCSI) for Oracle Solaris

Edit the configuration file.

Edit the configuration file (/etc/system) and specify the command queue depth.

The appropriate "ssd_max_throttle" parameter value is determined by the ETERNUS Disk

storage system model, as follows:

ETERNUS Disk storage system

ETERNUS2000

ETERNUS4000

ETERNUS8000

The parameter to be specified is determined by the CPU which is installed in the server to

be connected.

•

For SPARC

Specify the command queue depth for the "ssd_max_throttle" parameter.

Add this parameter if it does not exist.

set ssd:ssd_max_throttle = 20

•

For x86

Specify the command queue depth for the "sd_max_throttle" parameter.

Add this parameter if it does not exist.

set sd:sd_max_throttle = 20

After editing the configuration file, save it.

After the setting is complete, check the configuration file for incorrect settings.

Reboot the server.

# /usr/sbin/shutdown -y -g0 -i6

Command queue depth settings

End of procedure