found the manpage.
http://www.hswn.dk/hobbit/help/manpages/man1/bbtest-net.1.html
but still not sure about ping test. will ping(conn) test will do the same
like testing of telnet,http type of services.
--dns=[ip|only|standard] Determines how bbtest-net finds the IP adresses
of the hosts to test. By default (the "standard"), bbtest-net does a DNS
lookup of the hostname to determine the IP address, unless the host has the
"testip" tag, or the DNS lookup fails.
With "--dns=only" bbtest-net will ONLY do the DNS lookup; it it fails,
then all services on that host will be reported as being down.
With "--dns=ip" bbtest-net will never do a DNS lookup; it will use the IP
adresse specified in bb-hosts for the tests. Thus, this setting is
equivalent to having the "testip" tag on all hosts. Note that http tests
will ignore this setting and still perform a DNS lookup for the hostname
given in the URL; see the "bbtest-net tags for HTTP tests" section in *
bb-hosts <http://www.hswn.dk/hobbit/help/manpages/man5/bb-hosts.5.html>;(5)
• T.J. Yang
From: user-58f975e8bf9d@xymon.invalid
To: user-ae9b8668bcde@xymon.invalid
Date: Wed, 19 Mar 2008 15:37:38 -0500
Subject: RE: [hobbit] How hobbit server deal with DNS server failure when
doing conn test ?
Neither. It tries DNS, then it tries the IP address in the bb-hosts
file. If it can ping the IP address it sets the conn dot to green. The
only place I have found that reports it could not resolve the name via DNS
is in the output I copied into my email.
…..Bruce
*From:* Josh Luthman [mailto:user-4c45a83f15cb@xymon.invalid]
*Sent:* Wednesday, March 19, 2008 10:14 AM
*To:* user-ae9b8668bcde@xymon.invalid
*Subject:* Re: [hobbit] How hobbit server deal with DNS server failure
when doing conn test ?
So if it can not resolve DNS, is it yellow instead of red?
On 3/19/08, *White, Bruce* <user-58f975e8bf9d@xymon.invalid> wrote:
Josh,
I think the first statement is true. I have many items monitored by
hobbit which are not registered in DNS (I live with a bunch of windows
centric team mates and they rely on WINS not DNS. None of these items end
up with conn=red, but they are ID'd in the output from bbtest on the hobbit
server. Here is that output:
DNS statistics:
# hostnames resolved : 383
# succesful : 306
# failed : 77
# calls to dnsresolve : 414
Notice that I have 77 monitored items which fail the DNS lookup.
.....Bruce
*From:* Josh Luthman [mailto:user-4c45a83f15cb@xymon.invalid]
*Sent:* Wednesday, March 19, 2008 8:55 AM
*To:* user-ae9b8668bcde@xymon.invalid
*Subject:* Re: [hobbit] How hobbit server deal with DNS server failure
when doing conn test ?
Pretty confident if the DNS lookup fails it times out and marks the conn
red =( If you don't need it to do a DNS lookup simply add testip.
On 3/19/08, *T.J. Yang* <user-8e841282cda5@xymon.invalid> wrote:
I remember somewhere in the manpages,
The hobbit server when doing fping conn test, it will try using FQDN and
if
not resolvable,
it will use the ip address(from bb-hosts) file.
Is this a correct statement ?
I will summarize the answer here
http://en.wikibooks.org/wiki/System_Monitoring_with_Hobbit/Other_Docs/FAQ#How_does_the_conn_test_work_if_the_first_ping_doesn.27t_respond_.3F
tj
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