Top
PRIMECLUSTER  Installation and Administration Guide4.3

A.5.2 RMS Configuration

The table below shows the values of the kernel parameters required for the RMS configuration.

The kernel parameter values in /etc/system are automatically changed by the installer. Be sure to return the settings in /etc/system to their original state when you uninstall the package.

Kernel parameter

Characteristics

Value

Parameter description

msgsys:msginfo_msgmnb

Maximum value

4194304

Maximum size of the message that can be stored in a single message.

msgsys:msginfo_msgmni

Addition

8192

Maximum number of message queue identifiers that can be used for the entire system.

msgsys:msginfo_msgtql

Maximum value

65535

Maximum number of message headers

Note

In PRIMECLUSTER, message queues are used for interprocess communication.

When RMS is running, 2076 message queues are reserved from 0x4d2.

If you are using message queues for any applications, use the range other than the above (0x4d2 to 0xcee).