<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=utf-8" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.6001.18975"> <STYLE>@font-face { font-family: 宋体; } @font-face { font-family: Verdana; } @font-face { font-family: @宋体; } @page Section1 {size: 595.3pt 841.9pt; margin: 72.0pt 90.0pt 72.0pt 90.0pt; layout-grid: 15.6pt; } P.MsoNormal { TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Times New Roman"; FONT-SIZE: 10.5pt } LI.MsoNormal { TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Times New Roman"; FONT-SIZE: 10.5pt } DIV.MsoNormal { TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Times New Roman"; FONT-SIZE: 10.5pt } A:link { COLOR: blue; TEXT-DECORATION: underline } SPAN.MsoHyperlink { COLOR: blue; TEXT-DECORATION: underline } A:visited { COLOR: purple; TEXT-DECORATION: underline } SPAN.MsoHyperlinkFollowed { COLOR: purple; TEXT-DECORATION: underline } SPAN.EmailStyle17 { FONT-STYLE: normal; FONT-FAMILY: Verdana; COLOR: windowtext; FONT-WEIGHT: normal; TEXT-DECORATION: none; mso-style-type: personal-compose } DIV.Section1 { page: Section1 } UNKNOWN { FONT-SIZE: 10pt } BLOCKQUOTE { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; MARGIN-LEFT: 2em } OL { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } UL { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } </STYLE> </HEAD> <BODY style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"> <DIV><FONT color=#000080 size=2 face=Verdana>Oh, yeah, you're right, it's "make uninstall" :-)</FONT></DIV> <DIV><FONT color=#000080></FONT> </DIV> <DIV><FONT color=#000080>after uninstall 0.8.4 and reinstall 0.6.3, it still won't work.</FONT></DIV> <DIV><FONT color=#000080></FONT> </DIV> <DIV><FONT color=#000080>but one thing I should mention is that while using "virsh start vm01", it reports the same error, saying can't find domain "vm01" with "xenUnifiedDomainLookupByName ".</FONT></DIV> <DIV><FONT color=#000080>So I think maybe there is something I'm missing in define a domain.</FONT></DIV> <DIV><FONT color=#000080></FONT> </DIV> <DIV><FONT color=#000080>Would you give me some hints so I can see where I go wrong? Really appreciated</FONT></DIV> <DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV> <DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV> <DIV><FONT color=#c0c0c0 size=2 face=Verdana>2010-10-27 </FONT></DIV><FONT color=#000080 size=2 face=Verdana> <HR style="WIDTH: 100px" align=left color=#b5c4df SIZE=1> </FONT> <DIV><FONT color=#c0c0c0 size=2 face=Verdana><SPAN>黄亮</SPAN> </FONT></DIV> <HR color=#b5c4df SIZE=1> <DIV><FONT size=2 face=Verdana><STRONG>发件人：</STRONG> Osier </FONT></DIV> <DIV><FONT size=2 face=Verdana><STRONG>发送时间：</STRONG> 2010-10-26 22:29:40 </FONT></DIV> <DIV><FONT size=2 face=Verdana><STRONG>收件人：</STRONG> 黄亮 </FONT></DIV> <DIV><FONT size=2 face=Verdana><STRONG>抄送：</STRONG> libvir-list </FONT></DIV> <DIV><FONT size=2 face=Verdana><STRONG>主题：</STRONG> Re: [libvirt] How to start a defined domain </FONT></DIV> <DIV><FONT size=2 face=Verdana></FONT> </DIV> <DIV><FONT size=2 face=Verdana> <DIV></DIV> <DIV>----- "黄亮" <lancerhuang@163.com> wrote:</DIV> <DIV></DIV> <DIV>> </DIV> <DIV>> Well, after "make clean", I run the compiled start.c, still won't</DIV> <DIV>> work.</DIV> <DIV></DIV> <DIV>"make clean" won't uninstall the installed stuffs, use "make uninstall"</DIV> <DIV>instead, or you just made a typo? :-)</DIV> <DIV></DIV> <DIV>after that, suggest re-installing 0.6.3 if you are not sure if it's injured.</DIV> <DIV></DIV> <DIV>- Osier</DIV> <DIV></DIV> <DIV>> And I forget to metion, an error msg is shown:</DIV> <DIV>> </DIV> <DIV>> libvir: Xen error : Domain not found: xenUnifiedDomainLookupByName</DIV> <DIV>> </DIV> <DIV>> is that means I missed something?</DIV> <DIV>> </DIV> <DIV>> </DIV> <DIV>> 2010-10-26</DIV> <DIV>> </DIV> <DIV>> 黄亮</DIV> <DIV>> </DIV> <DIV>> 发件人： Osier</DIV> <DIV>> 发送时间： 2010-10-26 18:05:46</DIV> <DIV>> 收件人：黄亮</DIV> <DIV>> 抄送：</DIV> <DIV>> 主题： Re: [libvirt] How to start a defined domain</DIV> <DIV>> </DIV> <DIV>> </DIV> <DIV>> </DIV> <DIV>> ----- "黄亮" <lancerhuang@163.com> wrote:</DIV> <DIV>> </DIV> <DIV>> > </DIV> <DIV>> > Accroding to your case, it seems I have no need to upgrade libvirt</DIV> <DIV>> to</DIV> <DIV>> > 0.8.4</DIV> <DIV>> > Will that work if I erase 0.8.4 using "make clean" and draw back to</DIV> <DIV>> > 0.6.3 ?</DIV> <DIV>> </DIV> <DIV>> yep, think so, if you don't need the new features, and 0.6.3 is enough</DIV> <DIV>> for your project requirement.. :-)</DIV> <DIV>> </DIV> <DIV>> - Osier</DIV> <DIV>> ></DIV> <DIV>> ></DIV> <DIV>> ></DIV> <DIV>> > 2010-10-26</DIV> <DIV>> ></DIV> <DIV>> > 黄亮</DIV> <DIV>> ></DIV> <DIV>> > 发件人： Osier</DIV> <DIV>> > 发送时间： 2010-10-26 17:10:40</DIV> <DIV>> > 收件人：黄亮</DIV> <DIV>> > 抄送：</DIV> <DIV>> > 主题： Re: [libvirt] How to start a defined domain</DIV> <DIV>> ></DIV> <DIV>> ></DIV> <DIV>> ></DIV> <DIV>> > ----- "黄亮" <lancerhuang@163.com> wrote:</DIV> <DIV>> ></DIV> <DIV>> > > </DIV> <DIV>> > > Thanks for your reply, Osier.</DIV> <DIV>> > ></DIV> <DIV>> > ></DIV> <DIV>> > > The distro I'm using is CentOS release 5.5 (Final)</DIV> <DIV>> > ></DIV> <DIV>> > > I'm not quite sure about the version of libvirt. At first, it</DIV> <DIV>> seems</DIV> <DIV>> > to</DIV> <DIV>> > > be 0.6.3, because /usr/lib64/libvirt.so.0 points to</DIV> <DIV>> > > /usr/lib64/libvirt.so.0.6.3</DIV> <DIV>> > > Then I downloaded the src of libvirt_0.8.4 from offical website,</DIV> <DIV>> and</DIV> <DIV>> > > configure, make, make install.</DIV> <DIV>> > > But now it show errors when I type "virsh". The error message lies</DIV> <DIV>> > > below:</DIV> <DIV>> > ></DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.8.2' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.7.1' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.7.5' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.8.1' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.7.0' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.7.2' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.7.3' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.8.0' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version</DIV> <DIV>> `LIBVIRT_PRIVATE_0.8.4'</DIV> <DIV>> > > not found (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.7.7' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> > > virsh: /usr/local/lib/libvirt.so.0: version `LIBVIRT_0.6.4' not</DIV> <DIV>> > found</DIV> <DIV>> > > (required by virsh)</DIV> <DIV>> ></DIV> <DIV>> > probly you should try to erase the 0.6.3, then compile and install</DIV> <DIV>> > libvirt</DIV> <DIV>> > like:</DIV> <DIV>> ></DIV> <DIV>> > # ./configure --prefix=/usr --libdir=/usr/lib64</DIV> <DIV>> > # make</DIV> <DIV>> > # make install</DIV> <DIV>> ></DIV> <DIV>> > your test program has no problem on my box. the libvirt on my box</DIV> <DIV>> also</DIV> <DIV>> > is</DIV> <DIV>> > 0.6.3.</DIV> <DIV>> ></DIV> <DIV>> > Regards</DIV> <DIV>> ></DIV> <DIV>> > - Osier</DIV> <DIV>> > ></DIV> <DIV>> > > As for xen, it is 3.3.2. The full "xm info" message is listed</DIV> <DIV>> below:</DIV> <DIV>> > > host : testbed01</DIV> <DIV>> > > release : 2.6.18-194.11.4.el5xen</DIV> <DIV>> > > version : #1 SMP Tue Sep 21 05:40:24 EDT 2010</DIV> <DIV>> > > machine : x86_64</DIV> <DIV>> > > nr_cpus : 8</DIV> <DIV>> > > nr_nodes : 1</DIV> <DIV>> > > cores_per_socket : 4</DIV> <DIV>> > > threads_per_core : 2</DIV> <DIV>> > > cpu_mhz : 2793</DIV> <DIV>> > > hw_caps :</DIV> <DIV>> > ></DIV> <DIV>> ></DIV> <DIV>> bfebfbff:28100800:00000000:00000140:0098e3fd:00000000:00000001:00000000</DIV> <DIV>> > > virt_caps : hvm</DIV> <DIV>> > > total_memory : 4055</DIV> <DIV>> > > free_memory : 533</DIV> <DIV>> > > node_to_cpu : node0:0-7</DIV> <DIV>> > > node_to_memory : node0:533</DIV> <DIV>> > > xen_major : 3</DIV> <DIV>> > > xen_minor : 3</DIV> <DIV>> > > xen_extra : .2</DIV> <DIV>> > > xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32</DIV> <DIV>> > > hvm-3.0-x86_32p hvm-3.0-x86_64</DIV> <DIV>> > > xen_scheduler : credit</DIV> <DIV>> > > xen_pagesize : 4096</DIV> <DIV>> > > platform_params : virt_start=0xffff800000000000</DIV> <DIV>> > > xen_changeset : unavailable</DIV> <DIV>> > > cc_compiler : gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)</DIV> <DIV>> > > cc_compile_by : root</DIV> <DIV>> > > cc_compile_domain : gitco.tld</DIV> <DIV>> > > cc_compile_date : Tue Aug 18 21:07:28 CEST 2009</DIV> <DIV>> > > xend_config_format : 4</DIV> <DIV>> > ></DIV> <DIV>> > > I've write a simple c program to test the api, and it is listed</DIV> <DIV>> > below:</DIV> <DIV>> > ></DIV> <DIV>> > > 1 // This program aims to test the api which can start the VM</DIV> <DIV>> > > 2</DIV> <DIV>> > > 3 #include "stdio.h"</DIV> <DIV>> > > 4 #include "stdlib.h"</DIV> <DIV>> > > 5 #include "libvirt/libvirt.h"</DIV> <DIV>> > > 6</DIV> <DIV>> > > 7 int main(int argc ,char* argv[])</DIV> <DIV>> > > 8 {</DIV> <DIV>> > > 9 virConnectPtr conn;</DIV> <DIV>> > > 10 conn = virConnectOpen( "xen+tcp://localhost?no_Verify=1" );</DIV> <DIV>> > > 11 if( conn == NULL )</DIV> <DIV>> > > 12 {</DIV> <DIV>> > > 13 printf( "Failed to Connect\n" );</DIV> <DIV>> > > 14 return 1;</DIV> <DIV>> > > 15 }</DIV> <DIV>> > > 16 const char* host = "vm01";</DIV> <DIV>> > > 17 virDomainPtr dom;</DIV> <DIV>> > > 18 dom = virDomainLookupByName( conn, host );</DIV> <DIV>> > > 19 if( dom == NULL )</DIV> <DIV>> > > 20 {</DIV> <DIV>> > > 21 printf( "can't find dom\n" );</DIV> <DIV>> > > 22 return 1;</DIV> <DIV>> > > 23 }</DIV> <DIV>> > > 24 // else</DIV> <DIV>> > > 25 // {</DIV> <DIV>> > > 26 // virDomainFree( dom );</DIV> <DIV>> > > 27 // virConnectClose( conn );</DIV> <DIV>> > > 28 // printf("done\n");</DIV> <DIV>> > > 29 // return 0;</DIV> <DIV>> > > 30 // }</DIV> <DIV>> > > 31 if( virDomainCreate( dom ) == -1 )</DIV> <DIV>> > > 32 {</DIV> <DIV>> > > 33 printf( "failed to Start\n" );</DIV> <DIV>> > > 34 virDomainFree( dom );</DIV> <DIV>> > > 35 virConnectClose( conn );</DIV> <DIV>> > > 36 return 1;</DIV> <DIV>> > > 37 }</DIV> <DIV>> > > 38 else</DIV> <DIV>> > > 39 {</DIV> <DIV>> > > 40 printf( "Started\n" );</DIV> <DIV>> > > 41 virDomainFree( dom );</DIV> <DIV>> > > 42 virConnectClose( conn );</DIV> <DIV>> > > 43 return 0;</DIV> <DIV>> > > 44 }</DIV> <DIV>> > > 45 }</DIV> <DIV>> > ></DIV> <DIV>> > > 2010-10-26</DIV> <DIV>> > ></DIV> <DIV>> > > Lancer</DIV> <DIV>> > ></DIV> <DIV>> > > 发件人： Osier</DIV> <DIV>> > > 发送时间： 2010-10-26 11:35:31</DIV> <DIV>> > > 收件人：黄亮</DIV> <DIV>> > > 抄送： libvir-list</DIV> <DIV>> > > 主题： Re: [libvirt] How to start a defined domain</DIV> <DIV>> > ></DIV> <DIV>> > ></DIV> <DIV>> > ></DIV> <DIV>> > > ----- "黄亮" <lancerhuang@163.com> wrote:</DIV> <DIV>> > ></DIV> <DIV>> > > > I've create a domain called "vm01" using Virt-Manager, the GUI</DIV> <DIV>> > tool.</DIV> <DIV>> > > > Now I wanna use libvirt api to control the life cycle of vm01.</DIV> <DIV>> > > > It went on well with shutdown and reboot, but how to start it</DIV> <DIV>> > became</DIV> <DIV>> > > a</DIV> <DIV>> > > > problem.</DIV> <DIV>> > > ></DIV> <DIV>> > > > I was intended to get the virDomainPtr by using</DIV> <DIV>> > > virDomainLookupByName</DIV> <DIV>> > > > api, and then start it using virDomainCreate api.</DIV> <DIV>> > > > But it turns out that virDomainLookupByName api cannot return a</DIV> <DIV>> > > > virDomainPtr for a defined but not running domain.</DIV> <DIV>> > > ></DIV> <DIV>> > ></DIV> <DIV>> > > no, it can :-)</DIV> <DIV>> > ></DIV> <DIV>> > > If it really doesn't work for you, could you write a simple</DIV> <DIV>> program</DIV> <DIV>> > to</DIV> <DIV>> > > reproduce it? and try to explain what's the version of libvirt you</DIV> <DIV>> > > use,</DIV> <DIV>> > > on which distro, etc, any helpful info is welcomed. :-)</DIV> <DIV>> > ></DIV> <DIV>> > > Thanks</DIV> <DIV>> > ></DIV> <DIV>> > > - Osier</DIV> <DIV>> > ></DIV> <DIV>> > > > That's my situation, what do you suggest I do now?</DIV> <DIV>> > > > Thanks in advance.</DIV> <DIV>> > > ></DIV> <DIV>> > > > 2010-10-26</DIV> <DIV>> > > ></DIV> <DIV>> > > > Lancer</DIV> <DIV>> > > > --</DIV> <DIV>> > > > libvir-list mailing list</DIV> <DIV>> > > > libvir-list@redhat.com</DIV> <DIV>> > > > https://www.redhat.com/mailman/listinfo/libvir-list</DIV> <DIV>> > ></DIV> <DIV>> > > __________ Information from ESET Smart Security, version of virus</DIV> <DIV>> > > signature database 5562 (20101025) __________</DIV> <DIV>> > ></DIV> <DIV>> > > The message was checked by ESET Smart Security.</DIV> <DIV>> > ></DIV> <DIV>> > > http://www.eset.com</DIV> <DIV>> ></DIV> <DIV>> > __________ Information from ESET Smart Security, version of virus</DIV> <DIV>> > signature database 5562 (20101025) __________</DIV> <DIV>> ></DIV> <DIV>> > The message was checked by ESET Smart Security.</DIV> <DIV>> ></DIV> <DIV>> > http://www.eset.com</DIV> <DIV>> </DIV> <DIV>> __________ Information from ESET Smart Security, version of virus</DIV> <DIV>> signature database 5563 (20101026) __________</DIV> <DIV>> </DIV> <DIV>> The message was checked by ESET Smart Security.</DIV> <DIV>> </DIV> <DIV>> http://www.eset.com</DIV> <DIV></DIV> <DIV>__________ Information from ESET Smart Security, version of virus signature database 5565 (20101026) __________</DIV> <DIV></DIV> <DIV>The message was checked by ESET Smart Security.</DIV> <DIV></DIV> <DIV>http://www.eset.com</DIV> <DIV></DIV> <DIV></DIV> <DIV></DIV></FONT></DIV></BODY></HTML>