[hobbit] sms alert sample script - good solution?
Oliver Grube
oliver_grube at campbellsoup.com
Fri Apr 11 23:16:45 CEST 2008
Hi all,
nice to read your opinions here. I just raised some thoughts about sending
perhaps critical alerts via eMail to an external SMS provider... ;-)
Phil, you are totally right... Now, when you say this, I remember, that we
also have reached the age of GSM Modems and no longer relay on the analogue
ones...
I have setup this kind of redundant alerting (like you describe) for a big
Datacenter (with the slow BigBrother) in y2k and at this time, the
analogue/ISDN modems were the best choice.
I also agree to all the arguments raised by all others commenting my eMail.
Sending SMS via eMail might be sufficient enough.
My intention was only to show, that there are reasons why this should not
be accepted as a reliable alerting path.
And, of course, even GSM Networks could fail...
mit freundlichen Grüßen - Best regards
Hälsningar - Met vriendelijke groeten
Sincères salutations
Oliver Grube
EU Security&Controls Manager
"Phil Wild"
<philwild at gmail.c
om> To
hobbit at hswn.dk
2008-04-11 18:26 cc
Subject
Please respond to Re: [hobbit] sms alert sample
hobbit at hswn.dk script - good solution?
Hi Oliver,
Whoops! , I just reread your message and understand your comment better now
- when I first read it I didn't realise you were making comment on a
solution where someone was emailing an sms through a mail gateway rather
than an direct sms based soln.
Sorry
Phil
2008/4/12 Phil Wild <philwild at gmail.com>:
Hi Oliver,
Have a good read of the man pages around hobbit-alert. You do not
need to involve email when sending messages at all and probably the
most reliable method is with an attached GSM modem. It is much faster
than analogue dialing a messaging provider.
We use two gsm modems attached to two independent hobbit servers in
two data centres connected to two different mobile providers. We have
hobbit monitoring the messaging queues and have failover in place, if
a message fails to get out via one provider after a number of
retries, it is transferred to the other server.
We have also planned to set up a ping test via sms where one modem
sms's the other but it has fallen off the bottom of our todo list as
the current configuration has proven to be very stable...
It would be nice though if the modem hardware was more stable,
regular restarts when they hang (wavenet modems). Can't say other
brands are better and the monitoring and scripting has made them
reliable enough so that we don't need to replace them and start
again...
Your carrier may also be able to provide a status message feature
where you receive back an sms once your message has entered the
recipients phone (extra messaging cost and no guarantee they will
read it of course but then that is what escalation is for). I am sure
it would be possible to script a confirmation check and retry on the
other network if you really wanted to guarantee the message got to
the phone...
Cheers
Phil
2008/4/11 Oliver Grube <oliver_grube at campbellsoup.com>:
Hello,
this is just my opinion and something to thought about...
I have read about SMS alerting here. I think, from a
reliability point of view, this kind of alerting, is not stable
enough.
Your designs are based on sending an eMail to an SMS sending
system.
A simple question: How do you get alerts for your eMail system?
We have implemented this functionality with a simple modem
attached to the Hobbit system and we dial the SMS provider
directly.
I think, that this is a more reliable solution, if you want to
do SMS Alerting.
Another option is to give the important guys Blackberry or
similar devices and let them read the alert via eMail.
Advantage: they can access internal hobbit systems directly and
confirm alerts...
As I said... just some thoughts...
mit freundlichen Grüßen - Best regards
Hälsningar - Met vriendelijke groeten
Sincères salutations
Oliver Grube
EU Security&Controls Manager
Inactive hide details for "Benjamin P. August"
<baugust at stanford.edu>"Benjamin P. August" <
baugust at stanford.edu>
--
Tel: 0400 466 952
Fax: 0433 123 226
email: philwild at gmail.com
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Registergericht Luebeck Reg. Nr. HRB 4082
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