You'll have to talk to the xen people about the details, but the fact is that your non-virtual machine shouldn't touch that memory, so it shouldn't list that it has it. At least that is what I think is the reason.

Do a
  xm list
and it will list the memory for each of your virtual machines, and the real machine (Domain0).

Troy

Salamanka A. Serge wrote:
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.
[EMAIL PROTECTED] ~]# free
total used free shared buffers cached Mem: 1968128 1956916 11212 0 9812 1594676
-/+ buffers/cache:     352428    1615700
Swap:      8388576        148    8388428
[EMAIL PROTECTED] ~]#


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

[EMAIL PROTECTED] ~]# 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  [EMAIL PROTECTED]  (630)840-6468
Fermilab  ComputingDivision/LCSI/CSI DSS Group
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