<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.2769" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2>I am running Nagios 2.0b4 on Redhat Enterprise v4 Update 2 for Intel EMT64. I noticed that the ping checks fail with status code 127. The odd thing is that when I manually reschedule the command check through the web interface, the host is changed state to up, but upon next check the return code of 127 comes back. Additionally I notice that during a preflight check of the config (nagios -v in the shell) I see only one warning concerning the "service_message struct", specifically: </FONT></SPAN></DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2>Warning: Size of service_message struct (528 bytes) is > POSIX-guaranteed atomic write size (512 bytes). Service checks results may get lost or magled!</FONT></SPAN></DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2>I used the DAG rpms for this Nagios install.</FONT></SPAN></DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2>Any ideas on what I should look at fixing to resolve these two problems?</FONT></SPAN></DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=548020316-27102005><FONT face=Arial size=2>Nicholas</FONT></SPAN></DIV></BODY></HTML>