Rich Taylor · Oct 6, 2017

Starting Cache and Mirroring arbiter at HP UX startup

I need to have both Cache and the Mirroring Arbiter startup when the HP UX system starts.  Having not worked on HP UX much I am not familiar with the method for accomplishing this.

I would appreciate any information or even sample scripts that would help resolve this.

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HP-UX uses initscripts to start processes. So you need an initscript which includes commands to start, stop, and check status of processes.

Let's take the Arbiter; it's a standalone process at OS level and is easier:

The Arbiter is an instance of ISCAgent, whose initscript is likely at /sbin/init.d/ISCAgent on your HP-UX system.

Symlink to that script in the runlevel directory for the runlevels you need this to run; this should be /sbin/rc3.d for runlevel 3 or /sbin/rc4.d for runlevel 4. You can review the HP-UX runlevels by reading the manpage for init (1M) (the command man init should get you there).

In those directories, you'll see names starting with S##name and K##name (digits for the #). This signals which services are (S)tarted or (K)illed when the system switches to this runlevel. On my test machine here, in /sbin/rc3.d I see S900ISCAgent, and I can see that it would start after


You would need a similar initscript which would start Cache'. I would expect that the Arbiter would be run on a host distinct from its mirror members. You can review the ISCAgent initscript to get a sense of how these are organized.