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Posted by on December 14, 2004, 2:57 am
Hi,
We're installing another layer of Local Director to balance the access
to our database servers.
Our database server goes through a heavy period of synchronization
which makes the site slow to a crawl.
I was wondering if there is a way to get Local director to point
traffic to another db server (not being synchronized) during database
synchronizations, and basically allow the db servers to synch at
different times, and provide uninterrupted service to users?
>From what I understand, the OOS and IS commands need to go through
telnet, and there's not a way to automate that.
Does anyone have any knowledge on this?
Thanks
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Posted by Erik Freitag on December 14, 2004, 3:19 am
On Tue, 14 Dec 2004 02:57:48 -0800, adammac71 wrote:
> Hi,
>
> We're installing another layer of Local Director to balance the access
> to our database servers.
>
> Our database server goes through a heavy period of synchronization
> which makes the site slow to a crawl.
>
> I was wondering if there is a way to get Local director to point
> traffic to another db server (not being synchronized) during database
> synchronizations, and basically allow the db servers to synch at
> different times, and provide uninterrupted service to users?
>
>>From what I understand, the OOS and IS commands need to go through
> telnet, and there's not a way to automate that.
> Does anyone have any knowledge on this?
You could use expect to automate this.
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Posted by on December 14, 2004, 8:13 pm
Hi Erik,
What do you mean use "expect"?
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Posted by Erik Freitag on December 14, 2004, 8:57 pm
On Tue, 14 Dec 2004 20:13:10 -0800, adammac71 wrote:
> Hi Erik,
>
> What do you mean use "expect"?
expect is a programming (or scripting) language that allows you to write
programs that run telnet sessions. You could for instance write a program
to connect to the local director, send a command to the local director and
logoff. To the local director is looks just like someone logged in over
telnet and issued the commands. To use expect, you also need to install
tcl/tk, and there are perl modules for expect if you prefer to code in
perl.
Read all about here:
http://expect.nist.gov/
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Posted by on December 15, 2004, 12:53 am
Thanks Erik
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