[BlueOnyx:07628] Re: How do I enable the extra 4gb of memory I have......

[Gerald Waugh]

Darrell D. Mobley wrote:
>> -----Original Message-----
>> From: blueonyx-bounces at mail.blueonyx.it [mailto:blueonyx-
>> bounces at mail.blueonyx.it] On Behalf Of Support
>> Sent: Tuesday, July 05, 2011 10:03 PM
>> To: 'BlueOnyx General Mailing List'
>> Subject: [BlueOnyx:07621] How do I enable the extra 4gb of memory I
>> have......
>>
>> I have installed the PAE kernel with;
>>
>> yum install kernel-PAE
>>
>> ... and then I edited /boot/grub/grub.conf and set;
>>
>> default=0
>> timeout=5
>> splashimage=(hd0,0)/grub/splash.xpm.gz
>> hiddenmenu
>> title CentOS (2.6.18-238.12.1.el5PAE)
>>         root (hd0,0)
>>         kernel /vmlinuz-2.6.18-238.12.1.el5PAE ro
>> root=/dev/VolGroup00/root
>>         initrd /initrd-2.6.18-238.12.1.el5PAE.img
>> title CentOS (2.6.18-238.12.1.el5)
>>         root (hd0,0)
>>         kernel /vmlinuz-2.6.18-238.12.1.el5 ro root=/dev/VolGroup00/root
>>         initrd /initrd-2.6.18-238.12.1.el5.img
>> title CentOS (2.6.18-238.9.1.el5)
>>         root (hd0,0)
>>         kernel /vmlinuz-2.6.18-238.9.1.el5 ro root=/dev/VolGroup00/root
>>         initrd /initrd-2.6.18-238.9.1.el5.img
>>
>> But I see;
>>
>> Kernel Version	2.6.18-238.12.1.el5PAE (SMP)
>>
>> In Hardware Information and in 'free' I see;
>>
>>              total       used       free     shared    buffers     cached
>> Mem:       4086620     288768    3797852          0      18996     152596
>> -/+ buffers/cache:     117176    3969444
>> Swap:      4194296          0    4194296
>>
>> ... so I assume that I have only 4GB memory used.
>>
>> Not sure what to do next, does anyone have any suggestions?
>>
>> Oh and the hardware: DL360G4 with 8GB memory and dual 3.4 processors.
> 
> Did you reboot after making the change?  You have to reboot to get the new
> kernel in operation.  Yum install only gets it onto your system.  
> 
> You should also uninistall the non-PAE kernels so your system won't try to
> install non-PAE kernels during normal system updates as well.
> 
> yum remove 2.6.18-238.12.1.el5
> yum remove 2.6.18-238.9.1.el5
> 
> What version of the hardware BIOS firmware are you using also, make sure you
> are using? You should update to the latest firmware.
> 
Don't remove any kernels before you do a reboot.
If the new kernel doesn't work, you can reboot again,
hit any key to pause at the kernel select screen and
select a differnt kernel

-- 
Gerald