6027-1749 [W] A secure send to node ipAddress failed with error value.
Explanation
An error occurred while sending an encrypted message
to another GPFS™ node.
User response
Examine the error messages to obtain information
about the error. Under normal circumstances, the retry logic will
ensure that the connection is re-established and the message is sent.
If this error persists, record the error code and contact the IBM® Support Center.