I run several different servers, one for each subnet, typically, usually at
the third octet level... that keeps the SA traffic off the backbone... or
at least to my way of thinking...
Also keeps the cycle times down.... I keep a browser window open on the
"production servers" because they are the critical ones. All of the others
are available on their own web pages, and I like it that way, because I
don't have to scroll through 300+ entries on a single page!!
Only drawback I've found is keeping straight which server is sending me
pages... with text pagers limited to 200 chars, I have to almost "code"
things to get enough info into the page!
At the license price that Dirk has things set to, the cost of each license
is a pittance!! And his support is well worth the money!!
Greg Weigold
CSC - Life BPO Support
Blythewood,SC
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|---------+--------------------------->
| | "David Webster" |
| | <dwebster |
| | @wittig.com> |
| | Sent by: |
| | salive-owner |
| | |
| | |
| | 07/12/2005 10:39|
| | Please respond |
| | to salive |
|---------+--------------------------->
>----------------------------------------------------------------------------------------------------------------|
|
|
| To: <[email protected]>
|
| cc:
|
| Subject: RE: [SA-list] One monitoring server or more?
|
>----------------------------------------------------------------------------------------------------------------|
Chris,
I run a "local" copy of SA on almost every network I monitor. I have
half a dozen copies with 30-90 checks each. I can't imagine NOT running
multiple copies, because A)The software is cheap B)If the number of
checks is reasonable, then it does not require a dedicated server, and
you can run it on an existing server C)By running local copies, I keep
all of the SA traffic off my WAN links (except alerts) D)avoids single
point of failure, E)You can use each copy of SA to watch each other,
F)removes the need for VPN between the monitored network and the
monitoring network.
Minuses in my opinion are few. Having to admin multiple copies of the
app creates some work, but I think it's worth it. Some people may
say $ is a minus. I do not. SA is almost ridiculously cheap.
As for combining the web output, I am not the man to talk to. I use a
very simple HTML template and have a separate page output locally by
each copy of Servers Alive. I have a "Master" page with links to all
the other pages. I suppose you could script something that would copy
all the pages to a single web server, but my simple system works for me.
I hope this helps.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Chris S. Mang
Sent: Monday, July 11, 2005 5:52 PM
To: [email protected]
Subject: [SA-list] One monitoring server or more?
Hello,
Currently, we monitor almost 900 items across a number of servers around
the world, utilizing one instance of Servers Alive 4.1. It currently
takes about 18 minutes to run through all those checks. I would like to
reduce that response time by 50%.
Does anyone run multiple Servers Alive instances (on different servers)
to improve performance?
What are some of the plusses and minuses to running multiple SA servers
versus a single SA server (other than cost of additional licensing for
multiple servers)?
How difficult is it to combine the web page output from multiple SA
servers?
Thanks for any information you provide!
Chris Mang>>
JDA Software Group, Inc.
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