Re: {bb} Problems monitoring SMTP Service

[Henrik Storner <henrik-bb@hswn.dk>]

In <43140B89.5070307@kinzesberg.de> "Dirk H. Schulz" <dirk.schulz@kinzesberg.de> writes:

>Philip Clark schrieb:

>>In summary, the BBSLEEP setting defines the interval between tests, so
>>the minimum downtime that BB will report will be the same as BBSLEEP,
>>more or less.
>>  
>>
>But less? How can it report e. g. 4.5 minutes if BBSLEEP is 5 minutes?

Because the tests take some time and things don't happen on the exact clock 
tick that they should. 

T+0 secs:  BB starts the network tests
T+3 secs:  BB starts testing your smtp service
T+33 secs: BB times out while trying to connect to your smtp service
T+34 secs: BB sends a status report about your failed smtp service
T+300 secs:BB starts the network tests
T+303 secs:BB starts testing your smtp service
T+304 secs:BB receives a response from your smtp service
T+305 secs:BB sends a status report about your smtp service

Result: Downtime logged as (305-34) = 271 secs (4 min, 31 secs).

>>The most likely cause of the reported failures is that the SMTP
>>server is "throttling", rejecting new connections due to a load
>>spike. The numeric response code of the failed connection, as
>>shown on your display, should indicate the
>>
>Where do I find the numerical response code? All the display page says is

>    mailgw2.itsystemsservice.de - smtp
>    red Tue Aug 30 09:07:01 CEST 2005 SERVER - smtp DOWN

>From this, I'd say that BB did not get any response from your smtp
server. A connect-timeout.


Henrik

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