PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.1 (for Linux)

3.2.1 Setup kernel parameters

In redundant line control function, the following values are required for the kernel parameter. If the required value is insufficient in a whole system, then add sufficient values. For modifying the kernel parameter, refer to the Linux, sysctl(8), or proc(5) manual.

[Table 3.13 Required Kernel parameter]

Kernel parameter	Required value	file
Maximum size of shared memory segment	5120	/proc/sys/kernel/shmmax
Maximum amount of shared memory segment	2	/proc/sys/kernel/shmmni
Maximum semaphore identification value	1	/proc/sys/kernel/sem
Maximum semaphore identification value in the system	1	/proc/sys/kernel/sem