Setting Kernel Parameters

[Michael Ault]

Usually you need to do a full path to the values look
on http://www.puschitz.com/InstallingOracle9i.html for
guidelines on how to set these properly.

Mike Ault

--- "E. Craig Brown" <ecbrown at lanl.gov> wrote:

> I am trying to change the default values for kernel
> parameters 
> rmem_default, rmem_max, wmem_default and wmem_max. I
> modify the 
> /etc/sysctl.conf file and add rows:
> rmem_default = 262144
> rmem_max = 262144
> wmem_default = 262144
> wmem_max = 262144
> 
> In case this looks familiar, I am doing this to
> install an Oracle database. 
> I have set the values of other kernel parameters in
> this way, however, when 
> I try to set these and execute sysctl -p, these four
> return a message of
> error: 'rmem_default' is an unknown key
> error: 'rmem_max' is an unknown key
> error: 'wmem_default' is an unknown key
> error: 'wmem_max' is an unknown key
> Do any of you have any ideas as to why these
> parameters will not be set? I 
> run the command "/sbin/sysctl -a | grep
> rmem_default" and have a message 
> return the current value of each of these as
> expected. My guess is that 
> while I am using the specific string that the Oracle
> Documentation guide 
> suggests to use to change the values of these
> parameters, I probably need a 
> different syntax.
> Thank you,
> Craig >
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Michael R. Ault
Senior Consultant
Burleson Oracle Consulting
770-754-9057
www.ault.cc
www.remote-dba.com