OT: how to check everything is working
glenn.steen at gmail.com
Thu Feb 12 19:06:24 GMT 2009
2009/2/12 Eduardo Casarero <ecasarero at gmail.com>:
> Hi, i've just had an strange scenario, on one of my servers cent os the I/O
> controller just stoped working, and all FS went to Read Only. I actually
> check this:
> sendmail online
> mailscanner online
> disk usage
> clamav pattern
> ram/swap used
> incomming messages waiting
> this is reported to a mysql and showed in a webpage.
> the problem is that this was working, but the server started rejecting all
> emails with a 421 error "Can't write to the disk" so all trafic went to the
> second MTA. so nobody realised that the server was down...
> I started a google search and i found this "mailping"
> http://mailping.sourceforge.net/ but it seems to be a dead project.
> so is anyone using something like this? or has any idea?
Not really,no, but .... it should be very trivialto whip up an expect
script to test your MTA is responsive, or just a simple telnet test
where you parse the results "in hindsight". Should be fairly simple to
integrate into you status page:)
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se
More information about the MailScanner