BeesTea
Network Janitor
Premium,VIP
join:2003-03-08
00000
1 edit | reply to technick
Re: Can't See Full Memory On Server
You need to enable the CONFIG_HIGHMEM64G option for your kernel.
You can test if it's set
$ sudo zgrep -i HIGHMEM /proc/config.gz
# CONFIG_NOHIGHMEM is not set
CONFIG_HIGHMEM4G=y
# CONFIG_HIGHMEM64G is not set
CONFIG_HIGHMEM=y
or
grep -i HIGHMEM /usr/src/your_kernel/.config
EDIT: Just noticed that you said it sees 8GB already, that implies it might already be set. Worth checking though.
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technick
Premium
join:2000-12-16
Loganville, GA
1 edit | I just installed CentOS 4.2 on a IBM Server loaded out with 16 gigs of memory. CentOS comes up and recognizes 8 gigs of memory only. I googled it and came across the kernel-hugemem. I am still having the same problems running on the hugemem kernel.
The bios see's all 16 gigs of memory so I know it's there.
Thanks in advance.
Nick
[root@vs1 ~]# uname -r
2.6.9-34.ELhugemem
[root@vs1 ~]# free
total used free shared buffers cached
Mem: 8032148 96204 7935944 0 12032 32428
-/+ buffers/cache: 51744 7980404
Swap: 16386292 0 16386292
[root@vs1 ~]#
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