Is this running a virtual machine?
If so, then your memory is going to your virtual machine.
I don't know all the details, but that is where it is going.
Troy

Salamanka A. Serge wrote:
> Dear SL users and developers,
> 
> You might have encountered such a problem before:
> 
> On SL5.2 server 4 Gb ROM (2 slots 2Gb each)
> After reboot the memory of 4 Gb is available for the OS. But after some 
> time 2 Gb are disappearing and only the other 2Gb are left for usage.
> [root@xeon3 ~]# free
>              total       used       free     shared    buffers     cached
> Mem:       1968128    1956916      11212          0       9812    1594676
> -/+ buffers/cache:     352428    1615700
> Swap:      8388576        148    8388428
> [root@xeon3 ~]#
> 
> 
> In /var/log/messages I can see only these lines with the word "memory":
> 
> Oct  2 16:19:34 xeon3 kernel: Memory: 3808892k/3973376k available (2417k 
> kernel code, 155608k reserved, 1350k data, 176k init)
> Oct  2 16:19:34 xeon3 kernel: Non-volatile memory driver v1.2
> 
> [root@xeon3 ~]# uname -a
> Linux xeon3.xxx.xx 2.6.18-92.1.10.el5xen #1 SMP Mon Aug 4 14:53:04 EDT 
> 2008 x86_64 x86_64 x86_64 GNU/Linux
> 
> Does anyone have any ideas what could be the reason for such a memory 
> lost ?
> 
> Thank you
> Serge
> 


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Troy Dawson  [log in to unmask]  (630)840-6468
Fermilab  ComputingDivision/LCSI/CSI DSS Group
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