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xen-users
RE: [Xen-users] xen 4.1 missing memory
Sure, some bits changed for privacy reasons
xm root@myhost:~# xl info
host : myhost.domain.com
release : 2.6.32.43
version : #6 SMP Tue Jul 26 13:43:40 BST 2011
machine : x86_64
nr_cpus : 4
nr_nodes : 1
cores_per_socket : 4
threads_per_core : 1
cpu_mhz : 2800
hw_caps :
178bf3ff:efd3fbff:00000000:00001310:00802001:00000000:000037ff:00000000
virt_caps : hvm
total_memory : 7935
free_memory : 1195
free_cpus : 0
xen_major : 4
xen_minor : 1
xen_extra : .1
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_scheduler : credit
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
xen_commandline : placeholder dom0_mem=512M
cc_compiler : gcc version 4.3.2 (Debian 4.3.2-1.1)
cc_compile_by : root
cc_compile_domain : domain.com
cc_compile_date : Tue Jul 26 10:42:19 BST 2011
xend_config_format : 4
root@myhost:~#
root@myhost:~# xl list
Name ID Mem VCPUs State
Time(s)
Domain-0 0 294 4 r-----
1287.3
Domu1 1 1019 2 -b----
89.4
Domu2 2 251 2 -b----
226.4
Domu3 3 763 4 -b----
266.0
Domu4 4 507 2 -b----
80.4
Domu5 5 1019 2 -b----
65.1
Domu6 6 113 1 -b----
4.3
Domu7 7 507 2 -b----
96.0
Domu8 8 49 1 -b----
4.0
Domu9 9 1019 4 -b----
190.0
Domu10 10 1019 2 -b----
28.1
root@myhost:~#
thanks
-----Original Message-----
From: Yi, Shunli [mailto:syi@xxxxxxxxxxxx]
Sent: 18 August 2011 07:08
To: Ian Tobin; Fajar A. Nugraha
Cc: Xen User-List
Subject: RE: [Xen-users] xen 4.1 missing memory
Try to paste the output of "xm info" and "xm list".
-Shunli
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ian Tobin
Sent: Thursday, August 18, 2011 2:03 PM
To: Fajar A. Nugraha
Cc: Xen User-List
Subject: Re: [Xen-users] xen 4.1 missing memory
Hey,
I set the dom0 min men to 512m in xend-config.sxp and ballooning is
already enabled. I rebooted and it initially shows 512m but one the vms
are booted it drops to 256 .
Any other thoughts?
Thanks
On 17 Aug 2011, at 10:44, "Fajar A. Nugraha" <list@xxxxxxxxx> wrote:
> On Wed, Aug 17, 2011 at 2:35 PM, Ian Tobin <itobin@xxxxxxxxxxxxx>
wrote:
>> Hi,
>>
>>
>>
>> We have the dom0_mem=512M parameter set on boot which does show up
>> after booting however ive noticed that it drops to roughly 256M on
>> one of the boxes after the VMs are all started which is causing slow
>> downs as it needs to swap.
>
> IIRC that is expected behaviour, no matter what version the kernel is.
>
>> The kernel is 2.6.32.43, has anyone else seen this?>
> dom0_mem only sets dom0's initial memory. If domU needs more memory,
> dom0 can still baloon down. See dom0-min-mem and
> enable-dom0-ballooning on /etc/xen/xend-config.sxp to change this
> behavior.
>
> --
> Fajar
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
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