When starting sp_cop, sp_cop startup fails with the following error in the event log.
Notice: Return value 2 opening shared mem location file /mnt1/shareplex/rim/shmaddr.loc [sp_cop(que)/13954]
09/06/07 14:54 Error: Could not read shared memory location file [sp_cop(que)/13954]
sp_cop was started with the wrong binary. In this case sp_ocap ONEOFF was accidentally renamed to sp_cop.
Check the cksum on the sp_cop binary.
Make sure you have the correct one by comparing sp_cop binary on another similar environment.
Replace it with the correct binary. Start up sp_cop.