Re: [Xen-users] Free XEN / DomU management software

["Nuno L. Ferreira" <nunolf@xxxxxxxxx>]

Hi Michael,

Here is the info you requested.
For the record, I installed the xn-suite on a dom0, which currently does 
not have any domU running. I thought it was possible already to use this 
dom0 as a centralized monitoring system ... have to wait 2 months more ;-)
[root@xxx ~]# uname -a
Linux xxx.yyy.zzz 2.6.18-128.7.1.el5xen #1 SMP Mon Aug 24 09:14:33 EDT 
2009 x86_64 x86_64 x86_64 GNU/Linux
[root@xxx ~]# head -1 /etc/issue
CentOS release 5.3 (Final)

[root@xxx ~]# xm info | grep xen_
xen_major              : 3
xen_minor              : 1
xen_extra              : .2-128.7.1.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
xen_changeset          : unavailable

[root@enmr00 ~]# ipcs -q

------ Message Queues --------
key        msqid      owner      perms      used-bytes   messages
0x22f9a7d1 0          root       666        0            0


Cheers,
N.

Michael Schmidt wrote:
> > Hi *
> >
> > Really great.
> > A few questions more.
> >
> > 1 - Can xn-suite monitor Xen domU's hosted in different dom0's? What 
> > is it done?
> Currently - no. But we are currently working on a xmlrpc and a 
> centraliced management interface.
> I think it is (stable) done within <2 month.
>
> > 2 - I did not saw it written anywhere, but I guess that the xn-client 
> > should be installed in every dom0 hosting domU's, right?
> The xn-client provides the mem- and performance-data to his dom0.
> If you want to use the modules xn-mem and xn-mom, you have to install 
> the xn-client to each domU.
> > 3 - I'm getting the following error:
> > *ERROR:* Can't comunicate with xn-manage-daemon! Check if the daemon 
> > is alive!
> > But,
> > [root@xxx ~]# ps -ef | grep xn-
> > root     24286     1  0 21:10 pts/1    00:00:00 
> > /usr/sbin/xn-manage-daemon -c /etc/xncore/xn-manage.conf
> > root     24295     1  0 21:10 pts/1    00:00:00 
> > /usr/sbin/xn-mem-daemon -c /etc/xncore/xn-mem.conf
> > root     24305     1  0 21:10 pts/1    00:00:00 
> > /usr/sbin/xn-mon-daemon -c /etc/xncore/xn-mon.conf
> > root     24315     1  0 21:10 pts/1    00:00:00 
> > /usr/sbin/xn-traff-daemon -c /etc/xncore/xn-traff.conf
> > root     24794 24155  0 21:35 pts/1    00:00:00 grep xn-
> Looks like a problem with the IPC, can you run "ipcs -q" and send me 
> the output?
> Or it is a bug with domU names who are longer then 32 chars or 
> including a dot. If it is so, update to the version 0.82.
> > Tot ziens,
> > N.
> - Best Regards
> Michael Schmidt

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