Hello,
how to get SNMPAgent report correct statistic when using Radiator
FarmSize > 1 ? I've been collecting data about Radiator process using
SNMP, but after switching to FarmSize = 3 are graphs broken, looks about
1/3 when using 3 as size of farm:
http://tomasek.cz/stuff/radiator_medium.png
Logs:
>
> root@radius1mng4:~# tail -f /mnt/ramdisk/radiator.2019_11_10_11.log |grep SNMP
> 2 00000000 Sun Nov 10 11:51:36 2019 347729: DEBUG: Creating SNMPAgent listen
> socket port 161 address 195.113.187.22
> 1 00000000 Sun Nov 10 11:51:36 2019 352864: ERR: Could not open SNMP Agent
> port 161 on 195.113.187.22: Address already in use
> 3 00000000 Sun Nov 10 11:51:36 2019 457157: ERR: Could not open SNMP Agent
> port 161 on 195.113.187.22: Address already in use
> 1 00000000 Sun Nov 10 11:51:47 2019 165012: DEBUG: Creating SNMPAgent listen
> socket port 161 address 195.113.187.22
> 2 00000000 Sun Nov 10 11:51:47 2019 180531: ERR: Could not open SNMP Agent
> port 161 on 195.113.187.22: Address already in use
> 3 00000000 Sun Nov 10 11:51:47 2019 289138: ERR: Could not open SNMP Agent
> port 161 on 195.113.187.22: Address already in use
> 1 00000000 Sun Nov 10 11:51:56 2019 145273: DEBUG: Creating SNMPAgent listen
> socket port 161 address 195.113.187.22
> 3 00000000 Sun Nov 10 11:51:56 2019 194276: ERR: Could not open SNMP Agent
> port 161 on 195.113.187.22: Address already in use
> 2 00000000 Sun Nov 10 11:51:56 2019 292481: ERR: Could not open SNMP Agent
> port 161 on 195.113.187.22: Address already in use
Looks like it is random which farm worker grab SNMP port.
I've found note in change log:
> Radiator revision 4.23-15 (2019-06-13)
> SNMPAgent and Monitor with FarmSize configuration no longer require a
> FarmChildHook to re-open their listen sockets. Their listen sockets are now
> created after forking the instances. FarmChildHook sample in hooks.txt
> goodies file was updated to point to an example in farmchildhook.txt goodies
> file. Updated Ldap.pm and SNMPAgent to better log and refuse incorrect Port
> configuration values. Minor fix to SNMPAgent to also return SNMPv2-MIB system
> group values when queried with snmpwalk.
I'm running Radiator 4.23-43 on Debian stretch.
How to resolve this?
<SNMPAgent>
BindAddress 195.113.187.22
Port 16%O
> 1 00000000 Sun Nov 10 12:29:12 2019 424719: DEBUG: Creating SNMPAgent listen
> socket port 161 address 195.113.187.22
> 2 00000000 Sun Nov 10 12:29:12 2019 475763: DEBUG: Creating SNMPAgent listen
> socket port 162 address 195.113.187.22
> 3 00000000 Sun Nov 10 12:29:12 2019 554067: DEBUG: Creating SNMPAgent listen
> socket port 163 address 195.113.187.22
Seems to work... but it means I need query all workers and sum output?
No very nice :(
I hope there is a better way.
Thanks
--
-----------------------
Jan Tomasek aka Semik
http://www.tomasek.cz/
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