
382 DS8800 Performance Monitoring and Tuning
which might be related to the maximum physical I/O size that can be executed in the
operating system. Let us confirm the maxphys value (Example 9-34).
Example 9-34 Checking the maxphys parameter
[root@v480-1]# grep maxphys /etc/system
[root@v480-1]#
As you can see, the maxphys parameter is not set in the /etc/system configuration file. It
means that Solaris 10 is using the default value, which is 1 MB. You can increase the value of
maxphys to increase the size of I/O requests.
For additional information about how to use DTrace, check the following links:
Introduction about DTrace:
http://www.solarisinternals.com/wi ...