<div class="gmail_quote">On Thu, Mar 15, 2012 at 9:45 PM, Alex Jia <<a href="mailto:ajia@redhat.com">ajia@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div bgcolor="#ffffff" text="#000000"><div class="im"> On 03/16/2012 05:33 AM, Su Zhang wrote: <blockquote type="cite"> <div class="gmail_quote">On Thu, Mar 15, 2012 at 4:20 PM, Eric Blake <<a href="mailto:eblake@redhat.com" target="_blank">eblake@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <div>On 03/15/2012 02:57 PM, Su Zhang wrote: > Hi all, > > I am trying to use virt-install to install domU image. However, I > encountered the following issue. It seems that a connection driver is > needed for Xen. > I am new to both libvirt and Xen. Anyone have any ideas on what's wrong > with the following error ? > > > > # virt-install --connect=xen:/// -p -d > Thu, 15 Mar 2012 10:17:55 DEBUG Launched with command line: > /usr/bin/virt-install --connect=xen:/// -p -d > Thu, 15 Mar 2012 10:17:55 DEBUG Requesting libvirt URI xen:/// > Thu, 15 Mar 2012 10:17:55 ERROR no connection driver available for No > connection for URI xen:/// </div> This probably means that your copy of libvirt.so and libvirtd was built without xen support. What does virsh --version=long say? Also, are you sure libvirtd is running? </blockquote> </div> </blockquote></div> In addition, I want to know your libvirt.so, libvirtd, xend location, for example, # which libvirtd # which xend # locate libvirt.so Please also make sure xend service is running: # service xend status <div class="im"> <blockquote type="cite"> <div class="gmail_quote"> <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> -- Eric Blake <a href="mailto:eblake@redhat.com" target="_blank">eblake@redhat.com</a> <a href="tel:%2B1-919-301-3266" value="+19193013266" target="_blank">+1-919-301-3266</a> Libvirt virtualization library <a href="http://libvirt.org" target="_blank">http://libvirt.org</a> </blockquote> </div> Eric, Here is the output: # virsh --version=long Virsh command line tool of libvirt 0.9.10 See web site at <a href="http://libvirt.org/" target="_blank">http://libvirt.org/</a> Compiled with support for: Hypervisors: Xen QEmu/KVM UML OpenVZ VirtualBox LXC Test Networking: Remote Daemon Network Bridging Nwfilter VirtualPort Storage: Dir Filesystem SCSI Multipath iSCSI LVM Miscellaneous: SELinux Secrets Debug It seems that it does support Xen. </blockquote></div> Yeah, Xen indeed appears in Hypervisors line.<div class="im"> <blockquote type="cite"> I am not sure if libvirtd is running so I use the following command to start it: [root@XenTester srv]# /etc/rc.d/init.d/libvirtd start </blockquote></div> Right, you may also use service libvirtd start, and check it by service libvirtd status or ps -ef|grep libvirtd. <div class="im"><blockquote type="cite"> But the same error is still there. Am I using the right way to start libvirtd service? Are there any other possible reasons of this error? </blockquote> </div><blockquote type="cite"><div class="im"> Thanks, -- Su Zhang Ph.D Candidate Computing and Information Sciences Kansas State University </div><pre><fieldset></fieldset> _______________________________________________ libvirt-users mailing list <a href="mailto:libvirt-users@redhat.com" target="_blank">libvirt-users@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/libvirt-users" target="_blank">https://www.redhat.com/mailman/listinfo/libvirt-users</a></pre> </blockquote> </div> </blockquote></div>Alex, Here is some information: # /etc/init.d/xencommons start Starting xenstored... Setting domain 0 name... Starting xenconsoled... [root@XenTester su]# /etc/init.d/xend start [root@XenTester su]# which libvirtd /usr/local/sbin/libvirtd [root@XenTester su]# which xend /usr/sbin/xend [root@XenTester su]# locate libvirt.so /usr/lib64/libvirt.so.0 /usr/lib64/libvirt.so.0.9.4 /usr/local/lib/libvirt.so /usr/local/lib/libvirt.so.0 /usr/local/lib/libvirt.so.0.9.10 [root@XenTester su]# service xend status [root@XenTester su]# ps -ef|grep libvirtd root 2242 1 0 21:52 ? 00:00:00 libvirtd --daemon root 3295 3112 0 21:59 pts/0 00:00:00 grep libvirtd Can you see if it is normal here? Thanks, -- Su Zhang Ph.D Candidate Computing and Information Sciences Kansas State University