virt

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2 participants
1612 discussions

iSCSI on CentOS 6
by Miguel Barbosa Gonçalves 14 Jul '15

14 Jul '15

Hi! I am about to deploy a virtualisation cluster based on a storage server with 10 Gbps interfaces for iSCSI and two computing nodes running VMs in KVM that will access the storage via the 10 Gbps network. I am trying to find real use cases of people using CentOS 6 as an iSCSI target but can't find any. Anyone using a configuration similar to this one? Thanks in advance! Miguel

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Flannel 0.5 in virt7-docker-common
by Navid Shaikh 13 Jul '15

13 Jul '15

Hi, flannel-0.5.1-2.el7 is updated in virt7-docker-common repo [1]. Please test and feedback. [1] http://cbs.centos.org/repos/virt7-docker-common-candidate/x86_64/os/Package… -- Navid

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Golang packages in virt7-docker-common repo
by Navid Shaikh 10 Jul '15

10 Jul '15

Hi, This email is regarding golang-* packages and their repository. As kubernetes package is now updated in virt7-docker-common-* repo, it was discussed that all the golang-* packages should also go under the virt7-docker-common-* repo as well, presently they all are in virt7-testing repo. Also about package flannel, it is presently updated in virt7-testing repo. This package is used with kubernetes. Since kubernetes is now under virt7-docker-common-*, it was proposed to update the flannel package as well in virt7-docker-common-* repo. Thoughts? -- Navid

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Where are the Centos 7.1 1503 KVM repos please?
by Keith Roberts 10 Jul '15

10 Jul '15

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

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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.

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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!

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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

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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

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