How do I apply RootCause to applications run at boot time?
Once you’ve used Aprobe to investigate the behavior of processes on a running machine, there is nothing particularly complicated about doing the same for system processes while the machine boots, but there are a number of special factors to take into account. These are listed below, and an example given of how we applied these to one of our machines. The techniques described here were tested on a Solaris 6 box, but should be equally applicable to more current installations. • Any time you make your own modifications to a system’s startup procedures, there is a risk that you may make the system unbootable. We’ll try to point out the pitfalls, but as with any procedures like this you should be prepared to recover the system from maintenance mode or even to reinstall the OS. • At startup, system resources you may want to rely on may not be available. Make sure your RootCause installation is not on remote disks, and even for local installations, check that the filesystems used for the inst
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