I am receiving the following message when I try to startup my second instance.

ORA-07279: spcre: semget error, unable to get first semaphore set.
HP-UX Error: 28: No space left on device


I know that I need to adjust one of the following kernel parms.
semmni = 1024
semmns = 1024

How do I tell which to increase?

Thanks in advance..