[TriLUG] CentOS 5.5: kickstart shmall and shmmax woes
cmdrclueless at gmail.com
Fri Jan 7 08:05:35 EST 2011
That's effectively what I did. I added the following code to the %pre section
if [ -n "$sysctl" -a -x "$sysctl" ] ; then
"$sysctl" -w kernel.shmmax=4294967295 kernel.shmall=268435456
This works around the problem and things now work as expected. I guess I was just hoping to understand why it change on one type of install and not on another. Also, I wondered if anyone had any ideas on what I might look for since I couldn't find the change in any obvious location.
On Jan 6, 2011, at 9:45 PM, Kristopher Kane wrote:
> On Thu, Jan 6, 2011 at 9:31 PM, Brian Weaver <cmdrclueless at gmail.com> wrote:
>> The only problem with what you've posted is that it requires the system to
>> be rebooted. I need PostgreSQL to run during the initial kickstart. I've
>> added a bit of code to the %pre section of the kickstart configuration to
>> work around the issue. I'm just curious why it changes during package
>> installation on a cdrom install but doesn't change during package
>> installation of a network install.
> From the second post,
> $ sysctl -w kernel.shmmax=17179869184
> This should, according to man, modify at runtime while editing the
> conf file will make it persistent. Does anyone know if the chroot of
> kickstart changes this normal function?
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