Linux: Suggested values for kernel parameters on Linux
Ensure that the values for kernel parameters are sufficient to prevent operational problems from occurring when you run the Tivoli® Storage Manager server.
About this task
The following table contains the suggested kernel parameter settings to run both Tivoli Storage Manager and DB2®.
| Parameter | Description | Preferred value |
|---|---|---|
| kernel.randomize_va_space | The kernel.randomize_va_space parameter configures the kernels use of memory ASLR. When you set the value to 0, kernel.randomize_va_space=0, it disables ASLR. DB2 data servers rely on fixed addresses for certain shared memory objects, and the ASLR can cause errors for some activities. To learn more details about the Linux ASLR and DB2, see the technote at: http://www.ibm.com/support/docview.wss?uid=swg21365583. | 0 |
| vm.swappiness | The vm.swappiness parameter defines whether the kernel can swap application memory out of physical random access memory (RAM). For more information about kernel parameters, see the DB2 product information. | 0 |
| vm.overcommit_memory | The vm.overcommit_memory parameter influences how much virtual memory the kernel can permit be allocated. For more information about kernel parameters, see the DB2 product information. | 0 |