Hi All,
On F12 i was playing with libvirt support for container.
I am seeing two issue over here:
1> Not able to create a container when start cgconfig services.
2> When i stop cgconfig, then able to create a container, but seeing
few error messages to libvirtd daemon.
3> After creation of container through libvirt, i am not able to
touch any file or directory.
Attached: vm1.xml , through which i created container. I referred
following link:
http://libvirt.org/drvlxc.html
http://openvz.org/pipermail/devel/2008-September/014314.html
Detailed Bug Report:
When i create a container without starting "cgconfig" service, i am able
to create but getting some error message in libvirtd daemon:
[root@mx3950 ~]# libvirtd
14:47:24.556: warning : qemudStartup:565 : Unable to create cgroup for
driver: No such device or address
14:47:24.647: warning : lxcStartup:1462 : Unable to create cgroup for
driver: No such device or address
libvir: Linux Container error : failed to connect to client socket: No
such file or directory
libvir: Linux Container error : failed to connect to client socket: No
such file or directory
libvir: Linux Container error : failed to connect to client socket: No
such file or directory
But when i start cgconfig service, then i am not able to open console
for my container. Below is the detailed steps which i executed.
[root@mx3950 ~]# /etc/init.d/cgconfig stop
Stopping cgconfig service: [ OK ]
[root@mx3950 ~]# virsh -c lxc:/// define vm1.xml
error: Failed to define domain from vm1.xml
error: operation failed: domain 'vm1' is already defined with uuid
ef558ab3-54ea-5b95-205d-8c0096ae9a4f
[root@mx3950 ~]# virsh -c lxc:/// start vm1
Domain vm1 started
[root@mx3950 ~]# virsh -c lxc:/// console vm1
Connected to domain vm1
Escape character is ^]
sh-4.0# ps -ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 15:23 pts/4 00:00:00 /bin/sh
root 4 1 0 15:23 pts/4 00:00:00 ps -ef
sh-4.0# touch rishi
touch: cannot touch `rishi': Permission denied
sh-4.0# exit
exit
[root@mx3950 ~]# /etc/init.d/cgconfig start
Starting cgconfig service: [ OK ]
[root@mx3950 ~]# virsh -c lxc:/// start vm1
Domain vm1 started
[root@mx3950 ~]# virsh -c lxc:/// console vm1
Connected to domain vm1
Escape character is ^]
15:24:12.869: error : vshRunConsole:77 : unable to open tty /dev/pts/3:
No such file or directory
[root@mx3950 ~]#
Package List:
[root@mx3950 ~]# rpm -qa | grep -e libcgroup -e libvirt
libcgroup-0.34-2.fc12.x86_64
libvirt-0.7.1-1.fc12.x86_64
libvirt-client-0.7.1-1.fc12.x86_64
libvirt-python-0.7.1-1.fc12.x86_64
[root@mx3950 ~]# uname -a
Linux mx3950.in.ibm.com 2.6.31-14.fc12.x86_64 #1 SMP Tue Sep 15 03:48:57
EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
<domain type='lxc'>
<name>vm1</name>
<memory>500000</memory>
<os>
<type>exe</type>
<init>/bin/sh</init>
</os>
<vcpu>1</vcpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/libvirt_lxc</emulator>
<interface type='network'>
<source network='default'/>
</interface>
<console type='pty' />
</devices>
</domain>
--
Libvir-list mailing list
Libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list