virt

virt@lists.centos.org

1608 discussions

Apologies for multiple posts
by Keith Roberts 10 Jul '15

10 Jul '15

Hi all. I got blocked with the first post and and the message now has been posted multiple times! Sorry about that :( Kind Regards, Keith Begin forwarded message: > From: Mail Delivery System <MAILER-DAEMON(a)nhs-pd1e-esg106.ad1.nhs.net> > Subject: Undelivered Mail Returned to Sender > Date: 10 July 2015 09:30:06 BST > To: <Keith.Roberts(a)ecric.nhs.uk> > > This is the mail system at host nhs-pd1e-esg106.ad1.nhs.net. > > I'm sorry to have to inform you that your message could not > be delivered to one or more recipients. It's attached below. > > For further assistance, please send mail to <postmaster> > > If you do so, please include this problem report. You can > delete your own text from the attached returned message. > > The mail system > > <centos-virt(a)centos.org>: host mail.centos.org[72.26.200.203] said: 554 5.7.1 > Service unavailable; Client host [62.208.144.128] blocked using > ix.dnsbl.manitu.net; Your e-mail service was detected by > junk.over.port25.me (NiX Spam) as spamming at Fri, 10 Jul 2015 02:21:21 > +0200. Your admin should visit > http://www.dnsbl.manitu.net/lookup.php?value=62.208.144.128 (in reply to > RCPT TO command) > Reporting-MTA: dns; nhs-pd1e-esg106.ad1.nhs.net > X-Postfix-Queue-ID: D9F1631F8D5 > X-Postfix-Sender: rfc822; Keith.Roberts(a)ecric.nhs.uk > Arrival-Date: Fri, 10 Jul 2015 09:30:02 +0100 (BST) > > Final-Recipient: rfc822; centos-virt(a)centos.org > Original-Recipient: rfc822;centos-virt(a)centos.org > Action: failed > Status: 5.7.1 > Remote-MTA: dns; mail.centos.org > Diagnostic-Code: smtp; 554 5.7.1 Service unavailable; Client host > [62.208.144.128] blocked using ix.dnsbl.manitu.net; Your e-mail service was > detected by junk.over.port25.me (NiX Spam) as spamming at Fri, 10 Jul 2015 > 02:21:21 +0200. Your admin should visit > http://www.dnsbl.manitu.net/lookup.php?value=62.208.144.128 > > From: Keith Roberts <keith.roberts(a)ecric.nhs.uk> > Subject: Where are the Centos 7.1 1503 KVM repos? > Date: 10 July 2015 09:30:02 BST > To: <centos-virt(a)centos.org> > > > Hi all. > > I have just installed Centos 7.1 from the DVD image: > > http://www.mirrorservice.org/sites/mirror.centos.org/7/isos/x86_64/CentOS-7… > > and I cannot find the KVM modules. > > Are they in a repo that is not in the base distribution please? > > Kind Regards, > > Keith > > > >

1 0

Adding a monitor socket to a virtual guest using virt-manager
by C.L. Martinez 08 Jul '15

08 Jul '15

Hi all, I need to add a monitor socket to a kvm guest as I can using qemu from coammnd line. Sample: -chardev socket,path=/tmp/sock0,server,nowait,id=sock0 -mon chardev=sock0,mode=control Is this prossible to add this to guest's xml config file?? If not, (and If I am not wrong), could it be possible to add these options inside "/etc/libvirt/hooks/qemu" startup script?? Some example?? Thanks.

1 0

Windows 10 tech preview build 10130
by Kanwar Ranbir Sandhu 08 Jul '15

08 Jul '15

Hi Everyone, Has anyone managed to install Windows 10 tech preview build 10130 as a KVM on a CentOS 6 host? I'm having problems that I haven't been able to get past. I can get the CD to boot and the install process to begin, but Windows keeps complaining about missing drivers. I've unsuccessfully tried the VirtIO ISOs from the Fedora project. The images I tried were: virtio-win-0.1-100.iso virtio-win-0.1.105.iso virtio-win-0.1.96.iso I have two IDE CD-ROMs attached which appears to be working fine (otherwise the installer wouldn't start and I wouldn't be able to traverse the VirtIO ISO). The NIC was an e1000, but I changed it to rtl8139. I've changed the HD from IDE, to Virtio iscsi to Virtio disk and none of that has seemed to help. I'd appreciate some pointers/tips. Regards, Ranbir -- Kanwar R.S. Sandhu

4 11

Live migration using shared storage in different networks
by Miguel Barbosa Gonçalves 06 Jul '15

06 Jul '15

Hi! I am building a KVM cluster that needs VM live migration. My shared storage as well as the KVM hosts will be running CentOS. Because 10 Gbps Ethernet switches are very expensive at the moment I will connect the KVM hosts to the storage by cross-over cables and create private networks for each connection (10.0.0.0/30 and 10.0.0.4/30). The following diagram shows the topology Management Management Management VLAN VLAN VLAN | | | +----+-----+ 10 Gbps +----+----+ 10 Gbps +----+-----+ | KVM Host |-----------| Storage |-----------| KVM Host | +----+-----+ +----+----+ +----+-----+ | | | Public Public Public VLAN VLAN VLAN My question is: will live migration work in this configuration since the storage will have 2 different IP addresses (10.0.0.1 and 10.0.0.5) in 2 different networks even though it is the same storage? Thanks!

3 2

New VDSM and QEmu-KVM versions available for testing
by Sandro Bonazzola 03 Jul '15

03 Jul '15

Hi, the following packages from oVirt 3.5.4 RC1 have been pushed to testing repositories: - qemu-kvm-ev-2.1.2-23.el7_1.4.1 - vdsm-4.16.21-1.el7 You're welcome to test them[1] and provide feedback. [1] http://wiki.centos.org/HowTos/oVirt Thanks, -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

2 2

Introduction
by Danilo Falcão 01 Jul '15

01 Jul '15

Hi guys I'm Danilo Falcão (fcon), a Sys Admin from Brazil and living in Germany. Recently I have joined Fedora QA & Infrastructure and now the CentOS project to work with Lokesh (lsm5) building RPMS for Docker and related packages. In the past years I've been working a lot with Virtualization (XEN and KVM mostly) and since Docker appeared I became a big fan of it. I'm also a Bash scripter and a Python Fabric lover. If there's anything I can help you guys with, just holla at me @ Freenode or drop an e-mail :) Cheers, Danilo

1 0

RHEL/CentOS 7.x KVM kernel instability & unreliability
by Vlastimil Holer 23 Jun '15

23 Jun '15

Hello, I'm managing smaller private virtualization infrastructure, currently based on CentOS 7.x. In the past we were running mostly on Debian 7 (kernel 3.2.x) and CentOS 6.x without problems. After we have upgraded to CentOS 7.x, I have experienced occasional physical host crashes when I did e.g. suspend or resume more virtual machines OR random virtual machine checkpoint was invalid and VM could not be resumed. I did few intesive tests on same hardware with: - CentOS 6.6 ... worked fine - CentOS 7.1 with 1. CentOS distribution kernel ... failed 2. Binary RHEL 7.1 distr. kernel ... failed 3. vanilla 3.10.80 kernel ... failed (plus various firmware releases and BIOS configurations) So far I could reliably run only CentOS 7.x with latest 4.0.5 kernel from ElRepo. 7.x kernel is based on 3.10.x, which failed for me as well. So I think there was some bug in KVM, which led to memory corruption. The result was either kernel oops or broken checkpoint and kernel oops occured later. I have opened bug on Red Hat https://bugzilla.redhat.com/show_bug.cgi?id=1231964 but since it's a private bug, I have created duplicate bug on CentOS http://bugs.centos.org/view.php?id=8949 There is described how to reproduce the problem including stress test script. I would appreciate if anybody can confirm it happens for him as well. Best regards, Vlastimil Holer

1 0

Kvm intel dual gigabit ethernet nic pass thru.
by mechy2k2000 22 Jun '15

22 Jun '15

Hello I am having a weird issue with a PCI-X Intel dual gigabit ethernet nic. While I am partially successful in pass thru with kvm, I have a weird issue with my pfsense freebsd vm. It see the two nics but gives them the same Mac address. I'm not sure if this is a pfsense bug or what. The nic works for everything but this Mac address issue. Long story short, I guess what I'm asking is there any options I should use when passing thru dual and quad Intel ethernet adapter right now I am using hostpci0: 1:00.0, driver=vfio Thanks Rafeal

1 0

CentOS 6 domU console issue
by Gene 19 Jun '15

19 Jun '15

Howdy, I'm having an issue with the console for CentOS 6 domUs. When I boot the domU I can see the console just fine. After grub has made its selection I get these errors: xenconsole: Could not open tty `': No such file or directory libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: console child [0] exited with error status 2 After that the boot process continues fine and I'm able to sign into the console of the domU instance. However, when I close the console my command prompt doesn't work properly anymore, keypresses aren't printed to the screen. This problem is nearly identical to this issue: http://lists.xen.org/archives/html/xen-devel/2014-01/msg02259.html However, for my situation xenconsoled is running. Has anyone else encountered this issue? $ rpm -aq | egrep xen\|centos-release centos-release-xen-6-4.el6.centos.x86_64 xen-licenses-4.4.1-5.el6.x86_64 xen-hypervisor-4.4.1-5.el6.x86_64 xen-4.4.1-5.el6.x86_64 xen-libs-4.4.1-5.el6.x86_64 xen-runtime-4.4.1-5.el6.x86_64 centos-release-6-6.el6.centos.12.2.x86_64 -Gene

1 1

Custom installer ISO for C7+xen
by Gautam Malu 19 Jun '15

19 Jun '15

Hi, I have made a installer script which builds a custom c7 installer iso, which delivers xen 4.4 stack over minimal c7 installation. I have already tested it out c7 and c6.6 but it should work with any fedora installation also. https://github.com/gautamMalu/centos-xen It uses virt7-xen-44-testing repo (http://goo.gl/b2w53S) so you will need access to internet during installation. It uses custom anaconda so you can use it with your own ks scripts. https://github.com/gautamMalu/XenInBox Here is link for pre-build iso https://www.dropbox.com/s/e2h2zh2mb0u629k/c7-xen.iso?dl=0 Please test it out, and provide your feedback. Best regards, Gautam Malu

1 0

Jump to page:

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

virt