text pagers / 2-way responses too
Subhendu Ghosh
sghosh at sghosh.org
Fri Nov 15 09:26:22 CET 2002
Cool :)
Q.- if the network is down - how do you get the DTD since there seems to
be a external http reference rather than a local definition.
Isn't that when the pages go out :)
-sg
On Thu, 14 Nov 2002, Brandon Knitter wrote:
> I know that sometimes email is your only option, but...
>
> Email is by far the absolute WORST way to get your monitoring alerts. Even
> when your network and internet connectivity is up. The smtp protocol in
> general states that there is no guaranteed delivery time (there are typically
> warning responses at 24 hours, and complete failure at 72 hours), as well many
> email gateways (your paging provider's) will queue up messages based upon load
> and other rules. There is no guarantee that you will get your message today
> even! I frequently used to get a "GOOD" page before a "BAD" one when using
> email, and sometimes only a "GOOD" one since the "BAD" email got lost somewhere.
>
> With that said, TAP is a great way to send things (qpage, sendpage, etc.). But
> you do lose some features, although it's a great backup. If you can cascade
> things, start by sending a page to your provider's delivery gateway. Many
> paging companies provide an SNPP or WCTP gateway which allows you to "drop off"
> a message on their server directly, and you will get the page sooner than
> email...that's just about what their email gateways do...when the email gateway
> actually gets the message.
>
> In the case of 2 way pagers, I have written scripts that will drop off a
> message on a WCTP gateway and save off the message identifier. Then, every 5
> minutes I check and see if any of those messages have had a response from the
> pager (that expires after 60 minutes). When my pager gets the message
> (typically within 15-20 seconds of Nagios sending the alert) I have a list of
> canned response options I add to the message (ack, dis 30, dis nagios, etc.).
> I choose my response, then when the response is picked up by my server it does
> the appropriate action on Nagios. Very handy when you can't get to a terminal
> and are at the colo and want to quiet an alarm.
>
> If you want to try out the scripts, check out the project I started at SF:
>
> http://sourceforge.net/projects/wctpxml-perl
>
> For now just grab it from CVS (tests project) I'll make a distro and write up a
> quickie README file for how it works, and an INSTALL for how to make it work! :)
>
> I'd be curious if that script is helpful for anyone. I mean come on, let's use
> the second direction in our two-way pagers! :)
>
>
--
-------------------------------------------------------
This sf.net email is sponsored by: To learn the basics of securing
your web site with SSL, click here to get a FREE TRIAL of a Thawte
Server Certificate: http://www.gothawte.com/rd524.html
More information about the Users
mailing list