on 6/19/2012 3:37 PM Hugh E Cruickshank spake the following:
> Hi All:
>
> I have an HP DL380G5 server which I am loading CentOS 6.2 on and it does
> not appear to recognize all of the RAM installed on the server. The BIOS
> is reporting 26GB however top is reporting:
>
> Mem: 15720140k total, 418988k used, 15301152k free, 30256k buffers
> Swap: 17956856k total, 0k used, 17956856k free, 135536k cached
>
> and free is reporting:
>
> total used free shared buffers cached
> Mem: 15720140 418848 15301292 0 30256 135536
> -/+ buffers/cache: 253056 15467084
> Swap: 17956856 0 17956856
>
> I have tried adding the mem= parameter to the /boot/grub/grub.conf file
> as in:
>
> title CentOS (2.6.32-220.17.1.el6.i686)
> root (hd0,0)
> kernel /vmlinuz-2.6.32-220.17.1.el6.i686 ro [SNIP]
> initrd /initramfs-2.6.32-220.17.1.el6.i686.img
> mem=26624M
>
> but this has not appeared to work.
>
> Any suggestions would be gratefully appreciated.
>
> TIA
>
> Regards, Hugh
>
It looks like you installed 32 bit OS... I don't think it sees over 16 gigs...
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