File: Messages.html

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<link rel=stylesheet href="style.css" type="text/css">
<title>collectl - Messages</title>
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<body>
<center><h1>Operational Messages</h1></center>
<p>
When something that may be of interest occurs, collectl calls an internal message reporting
routine and assigns that message a status of <i>Informational, Warning, Error</i> or <i>Fatal</i>.
In all cases, if a message of type <i>Fatal</i> is encountered, collectl will terminate.
In all other cases it continues executing, often skipping what it was trying to do 
when the error occurred.
The way collectl deals with these messages is controlled by several factors:
<p>
<b>Interactive Messages</b>
<ul>
<li><i>Informational</i> messages are never displayed on the terminal.</li>
<li><i>Warnings</i> are only displayed if <i>--quiet</i> has not been specified</i>
<li><i>Errors</i> and <i>Fatal</i> messages are always reported</li>
<li>If -m is specified, ALL messages are displayed on the terminal.  When collectl is not
providing the desired results and it is not obvious why, adding this switch can be helpful.</li>
</ul>
<b>Daemon Mode Messages, requires -f and -m</b>
<ul>
<li>If collectl is started as a daemon and the -m switch is specified, all messages will be
written to the message log in the collectl logging directory, the default being /var/log/collectl.
If this switch is not specified no messages are ever recorded and so it is recommended that
this switch, which is already in the collectl startup script, not be removed.</li>
<li>Any messages of type <i>Error</i> or <i>Fatal</i> are also sent to syslog, but again only
if logging is enabled with -m.</li>
</ul>

<table width=100%><tr><td align=right><i>updated Feb 21, 2011</i></td></tr></colgroup></table>

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