Yes, this server is running virtual machines.
But why in the output of command free there is only 1968128 listed ?

Troy Dawson пишет:
> 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
>>
> 
>