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Storage Foundation for Oracle® RAC 7.4.1 Administrator's Guide - Linux

Last Published: 2019-10-17

Product(s): InfoScale & Storage Foundation (7.4.1)

Platform: Linux

Section I. SF Oracle RAC concepts and administration
1. Overview of Storage Foundation for Oracle RAC
2. Administering SF Oracle RAC and its components
Section II. Performance and troubleshooting
Section III. Reference
1. Appendix A. List of SF Oracle RAC health checks
2. Appendix B. Error messages

Setting LLT timer tunable parameters

You can set the LLT tunable parameters either with the lltconfig command or in the /etc/llttab file. You can use the lltconfig command to change a parameter on the local node at run time. Veritas recommends you run the command on all the nodes in the cluster to change the values of the parameters. To set an LLT parameter across system reboots, you must include the parameter definition in the /etc/llttab file. Default values of the parameters are taken if nothing is specified in /etc/llttab. The parameters values specified in the /etc/llttab file come into effect at LLT start-time only. Veritas recommends that you specify the same definition of the tunable parameters in the /etc/llttab file of each node.

To get and set a timer tunable:

To get the current list of timer tunable parameters using lltconfig command:
```
# lltconfig -T query
```
To set a timer tunable parameter using the lltconfig command:
```
# lltconfig -T timer tunable:value
```
To set a timer tunable parameter in the /etc/llttab file:
```
set-timer  timer tunable:value
```

To get and set a flow control tunable

To get the current list of flow control tunable parameters using lltconfig command:
```
# lltconfig -F query
```
To set a flow control tunable parameter using the lltconfig command:
```
# lltconfig -F flowcontrol tunable:value
```
To set a flow control tunable parameter in the /etc/llttab file:
```
set-flow  flowcontrol tunable:value
```

See the lltconfig(1M) and llttab(1M) manual pages.