S pozdravem Stan.M. On 25.5.2010, at 18:00, centos-virt-request at centos.org wrote: > Send CentOS-virt mailing list submissions to > centos-virt at centos.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.centos.org/mailman/listinfo/centos-virt > or, via email, send a message with subject or body 'help' to > centos-virt-request at centos.org > > You can reach the person managing the list at > centos-virt-owner at centos.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CentOS-virt digest..." > > > Today's Topics: > > 1. Re: open-vm-tools 20100425 rpm (David Hollis) > 2. Bug in reboot phase : workaround or patch ? (Erwan MAS) > 3. Re: Bug in reboot phase : workaround or patch ? (Pasi K?rkk?inen) > 4. Re: Bug in reboot phase : workaround or patch ? (Erwan MAS) > 5. Libvirt NAT-based network 2x-4x faster than Libvirt routed > network? (Kenni Lund) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 24 May 2010 16:02:06 -0400 > From: David Hollis <dhollis at davehollis.com> > Subject: Re: [CentOS-virt] open-vm-tools 20100425 rpm > To: centos-virt at centos.org > Message-ID: <4BFADB3E.80701 at davehollis.com> > Content-Type: text/plain; charset=ISO-8859-1 > > On 05/23/2010 04:02 PM, Fernando Gleiser wrote: > >> Do they require any special repos besides the base ones? I'm trying >> to build them on a 32-bit centos 5.4 VM on top of vmware server and >> the build doesn't even start, it fails with: >> >> [root at localhost SPECS]# rpmbuild -ba open-vm-tools-kmod.spec >> error: Failed build dependencies: >> uriparser-devel is needed by open-vm-tools- >> kmod-0-1.20100425.i386 >> kernel-devel-i386 = 2.6.18-164.15.1.el5 is needed by open-vm- >> tools-kmod-0-1.20100425.i386 >> >> the kernel-devel rpm is installed: >> >> [root at localhost SPECS]# rpm -qa | grep kernel >> kernel-headers-2.6.18-194.3.1.el5 >> kernel-2.6.18-164.el5 >> kernel-devel-2.6.18-194.3.1.el5 >> kernel-2.6.18-53.el5 >> >> but uriparser-devel is not in the standard repos: >> >> [root at localhost SPECS]# yum search all | grep uriparser >> [root at localhost SPECS]# >> >> Is anything here I'm missing? > > uriparser-devel is in the EPEL repo. > To rebuild it against a specific kernel, use the kversion define like: > > rpmbuild -ba --define 'kversion 2.6.18-194.3.1.el5' open-vm-tools- > kmod.spec > > > > > ------------------------------ > > Message: 2 > Date: Mon, 24 May 2010 23:16:56 +0200 > From: Erwan MAS <erwan at mas.nom.fr> > Subject: [CentOS-virt] Bug in reboot phase : workaround or patch ? > To: centos-virt at centos.org > Message-ID: <20100524211656.GB19993 at voyageur.mas.nom.fr> > Content-Type: text/plain; charset=us-ascii > > Hello , > > I use Centos 5.4 , with the redhat version of xen . > I need for some guest to change the hardware for the network . > So in my xen config i add the model option in the vif line . > > When the guest boot , i had the right emulation , but after a > reboot , the guest loose the configuration . > > Someone can confirm the bug in centos 5.5 ? > > Have someone a patch ? > > > > Extract of my config : > > builder = "hvm" > vif = [ 'type=ioemu, mac=00:16:3e:50:10:45, bridge=xenbr0, > model=ne2k_pci'] > device_model = "/usr/lib64/xen/bin/qemu-dm" > > #grep spa.*/usr/lib64/xen/bin/qemu-dm /var/log/xen/xend.log > > [2010-05-24 11:47:23 xend 3782] INFO (image:434) spawning device > models: /usr/lib64/xen/bin/qemu-dm ['/usr/lib64/xen/bin/qemu-dm', '- > d', '75', '-m', '192', '-boot', 'dc', '-serial', 'pty', '-vcpus', > '1', '-k', 'fr', '-domain-name', 'orange', '-net', > 'nic,vlan=1,macaddr=00:16:3e:50:10:45,model=pcnet', '-net', > 'tap,vlan=1,bridge=xenbr0', '-vnc', '127.0.0.45:1'] > [2010-05-24 11:47:40 xend 3782] INFO (image:434) spawning device > models: /usr/lib64/xen/bin/qemu-dm ['/usr/lib64/xen/bin/qemu-dm', '- > d', '76', '-m', '192', '-boot', 'dc', '-serial', 'pty', '-vcpus', > '1', '-k', 'fr', '-domain-name', 'orange', '-net', > 'nic,vlan=1,macaddr=00:16:3e:50:10:45,model=rtl8139', '-net', > 'tap,vlan=1,bridge=xenbr0', '-vnc', '127.0.0.45:1'] > > #rpm -qa | grep ^xen > xen-libs-3.0.3-94.el5_4.2 > xen-3.0.3-94.el5_4.2 > > #xm info > host : james.mas.nom.fr > release : 2.6.18-164.6.1.el5.centos.plusxen > version : #1 SMP Wed Nov 4 10:10:32 EST 2009 > machine : x86_64 > nr_cpus : 2 > nr_nodes : 1 > sockets_per_node : 1 > cores_per_socket : 2 > threads_per_core : 1 > cpu_mhz : 2104 > hw_caps : 178bfbff:ebd3fbff: > 00000000:00000010:00002001:00000000:0000011f > total_memory : 4078 > free_memory : 1738 > node_to_cpu : node0:0-1 > xen_major : 3 > xen_minor : 1 > xen_extra : .2-164.6.1.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 > platform_params : virt_start=0xffff800000000000 > xen_changeset : unavailable > cc_compiler : gcc version 4.1.2 20080704 (Red Hat 4.1.2-46) > cc_compile_by : mockbuild > cc_compile_domain : centos.org > cc_compile_date : Wed Nov 4 09:23:54 EST 2009 > xend_config_format : 2 > > -- > ____________________________________________________________ > / Erwan MAS /\ > | mailto:erwan at mas.nom.fr |_/ > ___|________________________________________________________ | > \___________________________________________________________\__/ > > > ------------------------------ > > Message: 3 > Date: Tue, 25 May 2010 10:43:23 +0300 > From: Pasi K?rkk?inen <pasik at iki.fi> > Subject: Re: [CentOS-virt] Bug in reboot phase : workaround or patch ? > To: Discussion about the virtualization on CentOS > <centos-virt at centos.org> > Message-ID: <20100525074323.GD17817 at reaktio.net> > Content-Type: text/plain; charset=us-ascii > > On Mon, May 24, 2010 at 11:16:56PM +0200, Erwan MAS wrote: >> Hello , >> >> I use Centos 5.4 , with the redhat version of xen . >> I need for some guest to change the hardware for the network . >> So in my xen config i add the model option in the vif line . >> >> When the guest boot , i had the right emulation , but after a >> reboot , the guest loose the configuration . >> > > So when you first "xm create" it, it's ok, and after you reboot the > guest, > the NIC model has changed? > >> Someone can confirm the bug in centos 5.5 ? >> > > Did you search Redhat bugzilla? > > > -- Pasi > > >> Have someone a patch ? >> >> >> >> Extract of my config : >> >> builder = "hvm" >> vif = [ 'type=ioemu, mac=00:16:3e:50:10:45, bridge=xenbr0, >> model=ne2k_pci'] >> device_model = "/usr/lib64/xen/bin/qemu-dm" >> >> #grep spa.*/usr/lib64/xen/bin/qemu-dm /var/log/xen/xend.log >> >> [2010-05-24 11:47:23 xend 3782] INFO (image:434) spawning device >> models: /usr/lib64/xen/bin/qemu-dm ['/usr/lib64/xen/bin/qemu-dm', '- >> d', '75', '-m', '192', '-boot', 'dc', '-serial', 'pty', '-vcpus', >> '1', '-k', 'fr', '-domain-name', 'orange', '-net', >> 'nic,vlan=1,macaddr=00:16:3e:50:10:45,model=pcnet', '-net', >> 'tap,vlan=1,bridge=xenbr0', '-vnc', '127.0.0.45:1'] >> [2010-05-24 11:47:40 xend 3782] INFO (image:434) spawning device >> models: /usr/lib64/xen/bin/qemu-dm ['/usr/lib64/xen/bin/qemu-dm', '- >> d', '76', '-m', '192', '-boot', 'dc', '-serial', 'pty', '-vcpus', >> '1', '-k', 'fr', '-domain-name', 'orange', '-net', >> 'nic,vlan=1,macaddr=00:16:3e:50:10:45,model=rtl8139', '-net', >> 'tap,vlan=1,bridge=xenbr0', '-vnc', '127.0.0.45:1'] >> >> #rpm -qa | grep ^xen >> xen-libs-3.0.3-94.el5_4.2 >> xen-3.0.3-94.el5_4.2 >> >> #xm info >> host : james.mas.nom.fr >> release : 2.6.18-164.6.1.el5.centos.plusxen >> version : #1 SMP Wed Nov 4 10:10:32 EST 2009 >> machine : x86_64 >> nr_cpus : 2 >> nr_nodes : 1 >> sockets_per_node : 1 >> cores_per_socket : 2 >> threads_per_core : 1 >> cpu_mhz : 2104 >> hw_caps : 178bfbff:ebd3fbff: >> 00000000:00000010:00002001:00000000:0000011f >> total_memory : 4078 >> free_memory : 1738 >> node_to_cpu : node0:0-1 >> xen_major : 3 >> xen_minor : 1 >> xen_extra : .2-164.6.1.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 >> platform_params : virt_start=0xffff800000000000 >> xen_changeset : unavailable >> cc_compiler : gcc version 4.1.2 20080704 (Red Hat >> 4.1.2-46) >> cc_compile_by : mockbuild >> cc_compile_domain : centos.org >> cc_compile_date : Wed Nov 4 09:23:54 EST 2009 >> xend_config_format : 2 >> >> -- >> ____________________________________________________________ >> / Erwan MAS /\ >> | mailto:erwan at mas.nom.fr |_/ >> ___|________________________________________________________ | >> \___________________________________________________________\__/ >> _______________________________________________ >> CentOS-virt mailing list >> CentOS-virt at centos.org >> http://lists.centos.org/mailman/listinfo/centos-virt > > > ------------------------------ > > Message: 4 > Date: Tue, 25 May 2010 10:59:38 +0200 > From: Erwan MAS <erwan at mas.nom.fr> > Subject: Re: [CentOS-virt] Bug in reboot phase : workaround or patch ? > To: Discussion about the virtualization on CentOS > <centos-virt at centos.org> > Message-ID: <20100525085938.GC19993 at voyageur.mas.nom.fr> > Content-Type: text/plain; charset=iso-8859-1 > > On Tue, May 25, 2010 at 10:43:23AM +0300, Pasi K?rkk?inen wrote: >> On Mon, May 24, 2010 at 11:16:56PM +0200, Erwan MAS wrote: >>> Hello , >>> >>> I use Centos 5.4 , with the redhat version of xen . >>> I need for some guest to change the hardware for the network . >>> So in my xen config i add the model option in the vif line . >>> >>> When the guest boot , i had the right emulation , but after a >>> reboot , the guest loose the configuration . >>> >> >> So when you first "xm create" it, it's ok, and after you reboot the >> guest, >> the NIC model has changed? > > It's a very old bug :-( . > Cf http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=867 > >>> Someone can confirm the bug in centos 5.5 ? >>> > > Centos 5.5 use a new version of xen , and i hope than my bug is > fixed in it , but before upgrade i want > a confirmation . > >> Did you search Redhat bugzilla? > > Yes . > > -- > ____________________________________________________________ > / Erwan MAS /\ > | mailto:erwan at mas.nom.fr |_/ > ___|________________________________________________________ | > \___________________________________________________________\__/ > > > ------------------------------ > > Message: 5 > Date: Tue, 25 May 2010 15:34:17 +0200 > From: Kenni Lund <kenni at kelu.dk> > Subject: [CentOS-virt] Libvirt NAT-based network 2x-4x faster than > Libvirt routed network? > To: Discussion about the virtualization on CentOS > <centos-virt at centos.org> > Message-ID: > <AANLkTilVG9SoFwr45o_GY-UD-q0htqEnFyuuizNT2JZZ at mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Hi > > Is it expected behaviour that a libvirt NAT-based network is faster > than a libvirt routed network? > > I would guess that the routed network would be the fastest one in all > cases, but I'm seeing the opposite in my setup. On a 100mbit internet > connection, the routed network tops at 4mbyte/sec, while the nat-based > network goes all the way to 10mbyte/sec. I've spend the last 6 hours > on trying to figure out the cause of this, changing settings, > reinstalling the system, but the problem persists and I can't find the > cause of it. > > It is a clean and fairly simple setup: > - Clean installation of CentOS 5.5 > - Installation of kvm+libvirt+virt-manager+xorg > - iptables service disabled > - 1 public IP for the host (xxx.yyy.zzz.215) on a /32 subnet with > xxx.yyy.zzz.193 as gateway > - 3 public IP for the routed network (xxx.yyy.zzz.251-253) on a /26 > subnet with the same gateway as the host > - 1 virtual machine with either the NAT or the routed libvirt > network assigned > > I have no networking connection errors or similar, it works perfectly > with both the NAT and the routed network, but the routed network is > just 2-4 times slower than the NAT one. > > Do you have any suggestions of what the problem might be? When I look > at the iptables rules generated by libvirt, and the routing table, > everything looks fine AFAICT. Traceroute from guest doesn't reveal > anything either. Ping times from the two networks are similar, so the > main issue seems to be throughput. > > Any help or pointers to what I should look at, is highly > appreciated... :) > > I've copy pasted some of my relevant system configuration into > pastebin: > http://pastebin.com/jtTrHLqA > > Thank you, > Kenni > > > ------------------------------ > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt > > > End of CentOS-virt Digest, Vol 33, Issue 9 > ******************************************