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| Subject: | [gislist] SUM: GIS server |
| Date: |
09/14/2004 01:15:01 PM |
| From: |
Wendy Miller |
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Thanks to all who responded to my question. There were a wide variety of
responses that are listed below.
Original question:
We are trying to select a server that we can use for GIS and ArcSDE for a
small liberal arts college. Our IT people are really pushing us to use
Linux as the OS and I was wondering if anyone has had any experience doing
so. Also, if anyone has a server set-up that they are pleased with -
please let me know.
Mike S. wrote:
We are a small-to-mid size County government and we are using Linux as our
ArcIMS OS. Here is our setup:
Application server - Red Hat Linux AS 2.1, Stronghold (Red Hat's Apache) Web
server, ArcIMS 4.0.1
Database server - Windows 2003 Server, Microsoft SQL Server 2000, ArcSDE 8.3
If you have Oracle experience on staff, then you could go completely Linux.
That is the only "completely Linux" environment that ESRI will support. We
chose SQL Server because we had more experience there. The Linux server
has
been fantastic for our ArcIMS application. We've only re-booted that server
three times in over a year (and those were for software upgrades, not
problem fixes). If you have Linux IT folks available for support, I highly
recommend Linux for your ArcIMS server. The RDBMS server is another
question...
Daniel M wrote:
I would not use Linux. Most of ESRI products run on a windows based system.
If you want to develop arcobject applications the scripting language is vba
in arcmap. If you want to develop applications out side of arcgis you can
use other languages. Also a unix os is going to be more expensive. The
next question I have is why ArcSDE? For case studies and other academic
studies where you will not be using the data constantly ArcSDE may not be
worth bothering with. If you want to be using the data all of the time
and
have huge data sets then ArcSDE would be a good idea.
Stephannie W. wrote:
The best server for SDE really depends on
1) which RDBMS (i.e.: Oracle, SQL Server) that you will be utilizing, 2)
the size and type of the data that will be stored and
3) which version of SDE you will be using (i.e.: 9.0).
My first suggestion would be to check out the system requirements page on
ESRI's website (use the link below):
http://support.esri.com/index.cfm?fa=knowledgebase.systemRequirements.matrix
&pName=ArcSDE&productID=19&pvName=9.0&versionID=38&PID=19&PVID=51
Many times IT people want the best available hardware even when it is not
necessary. So, if cost is an issue, evaluate the 3 items I mention above
before spending too much money on a server when it may not be necessary.
If
you have additional questions, I would suggest contacting your local ESRI
office which I believe the D.C. office may be the closest to you
(703-506-9515).
Tina T. wrote:
Depends on what sort of GIS software you are thinking of installing. Linux
is a great solution for ArcIMS and ArcSDE. Many of the desktop ESRI
solutions however are not supported on Linux.
Mike J. wrote:
We are considering a ProLiant DL380 G4 as we've heard great things from a
local county government that hosts several large ArcIMS sites (they use
ArcSDE as well). They are using Windows. We ALWAYS use Linux in our
servers. My only issue is that I do not believe ArcIMS/SDE run on Linux
(we only use MapServer & MySQL).
Your students will be in a better position in the job market if they are
proficient in maintaining a Linux environment. If they know both -
encourage them to focus on promoting their Linux skills (they'll make more
$).
Suggestion:
Allow students to work with both. Use Linux on your high-end server. Grab
a used 2-3GHZ machine with 512Mb-1Gb RAM and use it as your windows
server. However, for Linux you could run a server (relatively slow but
still very functional) on a 450Mhz machine with only 128Mb RAM and still
get decent performance if <5 users are hitting it & no images are being
served.
Note:
Introduce your students to MapServer as it is free & open-source. When I
was a student it was a great way for me to learn, experiment & test
development without having to pay for any software. Plus, there is a very
large community sharing code & resources.
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