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xen-users
Re: [Xen-users] RAM issue
Hi
i am pasting outputs again. according to the calculation of adding the
domain RAM and guest machine memory total should be 16 gb. and
according to this calculation i should have created more virtual
machines but when i create any new virtual machine i am getting error
message as out of memory.
out put of servers as
[root@mumxen01 ~]# xm info
host : mumxen01
release : 2.6.18-8.el5xen
version : #1 SMP Fri Jan 26 14:29:35 EST 2007
machine : x86_64
nr_cpus : 8
nr_nodes : 1
sockets_per_node : 2
cores_per_socket : 4
threads_per_core : 1
cpu_mhz : 2000
hw_caps :
bfebfbff:20000800:00000000:00000040:000ce33d:00000000:00000001
total_memory : 16383
free_memory : 0
xen_major : 3
xen_minor : 0
xen_extra : .3-rc5-8.el5
xen_caps : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p
hvm-3.0-x86_64
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
cc_compiler : gcc version 4.1.1 20070105 (Red Hat 4.1.1-52)
cc_compile_by : brewbuilder
cc_compile_domain : build.redhat.com
cc_compile_date : Fri Jan 26 14:12:03 EST 2007
xend_config_format : 2
[root@mumxen01 ~]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 9954 8 r----- 4126.1
server104 9 4117 1 r----- 124.6
server201 3 2064 1 -b---- 1379.9
[root@mumxen01 ~]#
[root@mumxen002 ~]# xm info
host : mumxen002
release : 2.6.18-53.el5xen
version : #1 SMP Wed Oct 10 16:48:44 EDT 2007
machine : x86_64
nr_cpus : 8
nr_nodes : 1
sockets_per_node : 2
cores_per_socket : 4
threads_per_core : 1
cpu_mhz : 2000
hw_caps :
bfebfbff:20000800:00000000:00000040:000ce33d:00000000:00000001
total_memory : 16383
free_memory : 1043
xen_major : 3
xen_minor : 1
xen_extra : .0-53.el5
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
cc_compiler : gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)
cc_compile_by : brewbuilder
cc_compile_domain : build.redhat.com
cc_compile_date : Wed Oct 10 16:30:57 EDT 2007
xend_config_format : 2
[root@mumxen002 ~]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 6256 8 r----- 203351.6
server101 1 2007 1 -b---- 40379.6
server102 2 519 1 -b---- 34517.6
server103 3 519 1 -b---- 39044.9
server104 4 1039 1 -b---- 39124.1
server105 5 519 1 -b---- 49120.2
server106 6 519 1 -b---- 39234.6
server107 7 519 1 -b---- 37777.7
server108 8 519 1 -b---- 37907.9
server109 9 519 1 -b---- 36942.6
server110 10 519 1 -b---- 30085.9
server111 11 519 1 -b---- 26556.0
server112 12 519 1 -b---- 76582.5
server113 17 519 1 -b---- 42216.1
server114 16 519 1 -b---- 26396.7
server115 18 519 1 -b---- 26633.9
[root@mumxen002 ~]#
kindly let me know what could be issue . or where it could be solved.
Thanks
On Fri, Oct 3, 2008 at 11:59 PM, Rob MacGregor <rob.macgregor@xxxxxxxxx> wrote:
> On Fri, Oct 3, 2008 at 19:24, Arpan Jindal <jindalarpan@xxxxxxxxx> wrote:
>> Hi All
>>
>> I am having 2 physical machine of exactly same configuration and same
>> hardware. Both are having 16GB of RAM. But when I check one machine
>> its shows only 6GB but other one shows complete physical memory(16GB).
>> Is there any settings that need to be changed. To make complete 16 gb
>> memory available.
>>
>> Both are having RHEL 5.2 installed and having xen that come bundled with it.
>>
>> But in BIOS both machine is showing 16GB.
>>
>> Output of the machine where 16 memory is available.
>>
>> [root@mumxen01 ~]# free
>>
>> total used free shared buffers cached
>> Mem: 14429184 973244 13455940 0 56728 398408
>> -/+ buffers/cache: 518108 13911076
>> Swap: 10241428 0 10241428
>
> Shows roughly 14 GB available to dom0
>
>> [root@mumxen01 ~]# xm list
>> Name ID Mem(MiB) VCPUs State Time(s)
>> Domain-0 0 14091 8 r----- 175.8
>> server201 3 2064 1 -b---- 10.1
>
> Total, between dom0 and domU about 16 GB
>
>> Output of the machine where 16GB memory is not available .
>>
>> [root@mumxen002 ~]# free
>> total used free shared buffers cached
>> Mem: 6406144 6380060 26084 0 67128 5569972
>> -/+ buffers/cache: 742960 5663184
>> Swap: 5245212 148 5245064
>
> Shows about 6 GB available to dom0
>
>> [root@mumxen002 ~]# xm list
>> Name ID Mem(MiB) VCPUs State Time(s)
>> Domain-0 0 6256 8 r----- 180836.0
>> server101 1 2007 1 -b---- 28981.2
>> server102 2 519 1 -b---- 25015.7
>> server103 3 519 1 -b---- 28607.5
>> server104 4 1031 1 -b---- 84507.4
>> server105 5 519 1 -b---- 38746.8
>> server106 6 519 1 r----- 28538.8
>> server107 7 519 1 -b---- 27493.2
>> server108 8 519 1 -b---- 27084.5
>> server109 9 519 1 -b---- 25775.3
>> server110 10 519 1 -b---- 21892.7
>> server111 11 519 1 -b---- 19579.8
>> server112 12 519 1 -b---- 57347.3
>> server113 17 519 1 -b---- 34197.6
>> server114 16 519 1 -b---- 19571.7
>> server115 18 519 1 -b---- 19732.2
>
> Shows a total of about 16 GB, roughly 10 GB used by the domUs.
>
> Everything looks right to me.
>
> --
> Please keep list traffic on the list.
>
> Rob MacGregor
> Whoever fights monsters should see to it that in the process he
> doesn't become a monster. Friedrich Nietzsche
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
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