Hi,

A few things.

First, in your Mysql configuration file (my.cnf) for the Mysql server
make sure you've turned off the DNS lookup of clients.  I've seen this
cause pauses and slowdowns.

[mysqld]

# Skip reverse DNS lookup of clients

skip-name-resolve


Second, in the rd.conf file make sure you're pointing to the IP address
of your Mysql server, don't use the DNS name.  Also if you are just
using a locally installed MySQL (stand alone machine) then don't point
to 127.0.0.1 - this can cause problems.  Use a static IP address and
point to that IP in your rd.conf file

Also I find it helpful to make sure the machine names and (static) IP
addresses are properly listed in the /etc/hosts file

Don't use DHCP for your Rivendell workstations - you'll just be inviting
problems.

Double check things like power saving options, hard disk spin down
options, screen savers, etc - anything that might start up after 15
minutes, and turn them off.  

If you happen to have one of those "green" drives in that computer, that
might be part of the problem.  I gave up with those several years back
because they seem to like to randomly spin down at the most
inappropriate times in the name of saving a miniscule amount of
electricity (or something like that).  The 3 to 5 second pause they took
to spin back up was enough make me replace them all.

Of course as also mentioned, check things like your network cable, etc.

Lorne Tyndale


> 
> Hi all
> 
> I have a strange problem I am hoping someone has come across before. I 
> have 4 clients and one server all running Centos 6 Rivendell appliance 
> with all the updates. They are all setup exactly the same nfs etc...
> 
> Only one of the four clients if it is left unused for approx 15 minutes 
> or more, when you press start to play a cart it takes up to 3 seconds to 
> start the cart. After the first start it works perfectly, triggering 
> instantly.
> 
> I have change check the nfs mount settings, changed the network cable, 
> rebuilt the OS and changed the hard drive, still the same result.
> 
> Has anyone come across this before or does any have any ideas where to 
> look next?
> 
> Kind Regards
> 
> Stan
> 
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