It might be nice if host_dmax had a non-zero default value like 86400 so
that dead hosts would disappear in a day. But it doesn't, so you will
need to configure it yourself. From README file:
How do I remove a host from the list?
A common problem that people have is not being able to remove a
host
from the ganglia web frontend.
Here is a common scenario
1. All hosts in a cluster are send on the ganglia
udp_send_channels.
2. One of the hosts fails or is moved for whatever reason.
3. All the hosts in the cluster report that the host is "dead"
or
"expired".
4. The sysadmin wants to removed this host from the "dead" list.
Unfortunately there is currently no nice way to remove a single
dead
host from the list. All data in gmond is soft state so you will
need
to restart all gmond and gmetad processes. It is important to
note
that ALL dead hosts will be flushed from the record by
restarting
the processes (since they have to hear the host at least once to
know it is expired).
If you add the line
globals {
host_dmax = 3600
}
then hosts will be removed from host tables when they haven't
been
heard from in 3600 seconds. See "man gmond.conf" for details.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Anthony
Sent: Tuesday, February 26, 2008 3:47 AM
To: [email protected]
Subject: [Ganglia-general] Removing a dynamicaly found host, form the
list?
Hello,
my Ganglia discovered a server dynamicaly, (it is one server that we
connected, then disconnected from the netwrok), and in my ganglia home
page, i always see that server as offline/DOWN.
is there a way i can remove that host from my list?
Regards,
Anthony.
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