RE: Not all memory available

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I am using RedHat 5.  From what I see, that is not available in 5.  I did
see a kernel-PAE and that does work.  I tried the following 2 lines and both
returned no results:
yum search highmen
yum search highmem
Going to redhat network and searching shows that kernel-hugemem is for
version 4 and 5.  kernel-bigmem is for 7.3, 8 and 9.  The only one that I
found for version I found for RHEL 5 is the kernel-PAE and that seems to
work.

Thanks
Steve

-----Original Message-----
From: Marcos Aurelio Rodrigues [mailto:marsamp@xxxxxxxxxxxx] 
Sent: Tuesday, October 09, 2007 8:41 PM
To: Steven Buehler; General Red Hat Linux discussion list
Subject: Res: Not all memory available

No,

You need to install the highmen kernel, its already done for you by RedHat.

yum search highmen

 
========================================
 Marcos Aurelio Rodrigues (DE!Gr4t!4-33)
        <marsamp@xxxxxxxxxxxx>
                 CCNA
      Pueri quod semper amat Dei
========================================

----- Mensagem original ----
De: Steven Buehler <steve@xxxxxxxxxxxx>
Para: Marcos Aurelio Rodrigues <marsamp@xxxxxxxxxxxx>; General Red Hat Linux
discussion list <redhat-list@xxxxxxxxxx>
Enviadas: Terça-feira, 9 de Outubro de 2007 20:52:12
Assunto: RE: Not all memory available

Thank You.  kernel-PAE.  I notice that there isn't a kernel-PAE-headers
though.  Does the kernel-PAE use the normal kernel-headers?

Steve

-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx
 [mailto:redhat-list-bounces@xxxxxxxxxx]
On Behalf Of Marcos Aurelio Rodrigues
Sent: Tuesday, October 09, 2007 6:11 PM
To: General Red Hat Linux discussion list
Subject: Res: Not all memory available

You need to change your kernel to a version who suports PAE, i think
kernel-xxx-highmem

grep pae /proc/cpuinfo 

Because by default the 32bit plataform only suports 4Gb, to work with
 more
than that you need emulation (PAE)


More about:
http://en.wikipedia.org/wiki/Physical_Address_Extension



 
========================================
 Marcos Aurelio Rodrigues (DE!Gr4t!4-33)
        <marsamp@xxxxxxxxxxxx>
                 CCNA
      Pueri quod semper amat Dei
========================================

----- Mensagem original ----
De: Steven Buehler <steve@xxxxxxxxxxxx>
Para: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx>
Enviadas: Terça-feira, 9 de Outubro de 2007 19:02:48
Assunto: Not all memory available

I have a server that had 2GB of memory on it.  I just up it to 8GB.
  During
boot, it shows all 8GB, but my Redhat only shows 4GB.  I didn't install
 the
desktop version...as far as I know.  Is there something else needed to
 see
more then 4GB?

# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5 (Tikanga)

# uname -a
Linux domain.com 2.6.18-8.1.10.el5 #1 SMP Thu Aug 30 20:43:15 EDT 2007
 i686
i686 i386 GNU/Linux

# dmesg|grep mem
Memory: 3758888k/4194304k available (2043k kernel code, 39868k
 reserved,
846k data, 232k init, 2882432k highmem)
Freeing initrd memory: 2239k freed
highmem bounce pool size: 64 pages
Total HugeTLB memory allocated, 0
Non-volatile memory driver v1.2
Freeing unused kernel memory: 232k freed
ehci_hcd 0000:00:1d.7: irq 225, io mem 0xee000000

Thanks in advance for any help.
Steve

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