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From Ivan Kudryavtsev <kudryavtsev...@bw-sw.com>
Subject Re: cannot start system VMs: disaster after maintenance followup
Date Thu, 21 Mar 2019 17:13:03 GMT
Jevgeniy, simplest and the most obvious way is to flatten their images with
"qemu-img convert", next import them as templates and recreate VMs from
those templates.

чт, 21 мар. 2019 г. в 13:05, Jevgeni Zolotarjov <j.zolotarjov@gmail.com>:

> What happened in the end was: qemu-kvm got updated to version 2.0 during
> the maintenance.  We could not manage to make this KVM to work with
> Cloudstack.
> So we rolled back to version 1.5.3.
>
> And now we have clean cloudstack fully operational. We can create new VMs
> and it works. I am almost happy.
>
> Now question - how do I get my old VMs to work, considering I have only
> their volumes?
>
> On Thu, Mar 21, 2019 at 6:24 PM Andrija Panic <andrija.panic@gmail.com>
> wrote:
>
> > Just replace the URL for systemVM template from 4.11.1 with 4.11.2 (there
> > is a PR for this now).
> >
> > On Thu, 21 Mar 2019 at 16:53, Andrija Panic <andrija.panic@gmail.com>
> > wrote:
> >
> > > Please use the one, updated specifically for CentOS 7 -
> > >
> >
> https://github.com/apache/cloudstack-documentation/blob/master/source/quickinstallationguide/qig.rst
> > >
> > > And please avoid collocating KVM and MGMT on same server (especially in
> > > any production-like system)
> > >
> > > Please let me know if the guide above gives you problem - we had
> multiple
> > > users explicitly following it - and successfully installed (with some
> > minor
> > > modification, which we committed back to that guide).
> > >
> > > Thanks
> > > Andrija
> > >
> > > On Thu, 21 Mar 2019 at 16:34, Jevgeni Zolotarjov <
> j.zolotarjov@gmail.com
> > >
> > > wrote:
> > >
> > >> OS management - centos 7 (1810)
> > >> OS hypervisor - centos 7 (1810)
> > >>
> > >> Basic zone - yes
> > >> I am following this quide
> > >>
> > >>
> >
> http://docs.cloudstack.apache.org/en/4.11.2.0/quickinstallationguide/qig.html
> > >>
> > >> Right now from scratch - management ans hypervisor on the same machine
> > >> qemu - version 1.5.3
> > >> libvirt - libvirt version: 4.5.0, package: 10.el7_6.6
> > >>
> > >> Basically - everything out of the box of clean centos install
> > >>
> > >>
> > >>
> > >>
> > >> On Thu, Mar 21, 2019 at 5:08 PM Andrija Panic <
> andrija.panic@gmail.com>
> > >> wrote:
> > >>
> > >> > Hey Jevgeni,
> > >> >
> > >> > what OS mgmt, what OS hypervisor, what qemu/libvirt versions - still
> > in
> > >> > Basic Zone, SG ?
> > >> >
> > >> > Andrija
> > >> >
> > >> > On Thu, 21 Mar 2019 at 13:06, Jevgeni Zolotarjov <
> > >> j.zolotarjov@gmail.com>
> > >> > wrote:
> > >> >
> > >> > > I reinstalled cloudstack from scratch - everything
> > >> > >
> > >> > > But looks like I hit the same wall now
> > >> > >
> > >> > > In the last step of installation it cannot create system VMs.
> > >> > >
> > >> > > service libvirtd status -l
> > >> > > gives me
> > >> > > ------------------------------------
> > >> > > ● libvirtd.service - Virtualization daemon
> > >> > >    Loaded: loaded (/usr/lib/systemd/system/libvirtd.service;
> > enabled;
> > >> > > vendor preset: enabled)
> > >> > >    Active: active (running) since Thu 2019-03-21 11:45:00 GMT;
> 18min
> > >> ago
> > >> > >      Docs: man:libvirtd(8)
> > >> > >            https://libvirt.org
> > >> > >  Main PID: 537 (libvirtd)
> > >> > >     Tasks: 20 (limit: 32768)
> > >> > >    CGroup: /system.slice/libvirtd.service
> > >> > >            ├─  537 /usr/sbin/libvirtd -l
> > >> > >            ├─12206 /usr/sbin/dnsmasq
> > >> > > --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro
> > >> > > --dhcp-script=/usr/libexec/libvirt_leaseshelper
> > >> > >            └─12207 /usr/sbin/dnsmasq
> > >> > > --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro
> > >> > > --dhcp-script=/usr/libexec/libvirt_leaseshelper
> > >> > >
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> > 2019-03-21
> > >> > > 11:45:01.168+0000: 566: info : libvirt version: 4.5.0, package:
> > >> > 10.el7_6.6
> > >> > > (CentOS BuildSystem <http://bugs.centos.org>,
> 2019-03-14-10:21:47,
> > >> > > x86-01.bsys.centos.org)
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> > 2019-03-21
> > >> > > 11:45:01.168+0000: 566: info : hostname:
> > mtl1-apphst03.mt.pbt.com.mt
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> > 2019-03-21
> > >> > > 11:45:01.168+0000: 566: error : virFirewallApplyRuleDirect:709
:
> > >> internal
> > >> > > error: Failed to apply firewall rules /usr/sbin/iptables -w
> --table
> > >> nat
> > >> > > --insert POSTROUTING --source 192.168.122.0/24 '!' --destination
> > >> > > 192.168.122.0/24 --jump MASQUERADE: iptables v1.4.21: can't
> > >> initialize
> > >> > > iptables table `nat': Table does not exist (do you need to
> insmod?)
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> Perhaps
> > >> > > iptables
> > >> > > or your kernel needs to be upgraded.
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt dnsmasq[12206]: read
> > >> > > /etc/hosts
> > >> > > - 4 addresses
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt dnsmasq[12206]: read
> > >> > > /var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt dnsmasq-dhcp[12206]:
> > read
> > >> > > /var/lib/libvirt/dnsmasq/default.hostsfile
> > >> > > Mar 21 11:45:01 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> > 2019-03-21
> > >> > > 11:45:01.354+0000: 566: warning : virSecurityManagerNew:189 :
> > >> Configured
> > >> > > security driver "none" disables default policy to create confined
> > >> guests
> > >> > > Mar 21 11:49:57 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> > 2019-03-21
> > >> > > 11:49:57.354+0000: 542: warning : qemuDomainObjTaint:7521 : Domain
> > >> id=2
> > >> > > name='s-1-VM' uuid=1a06d3a7-4e3f-4cba-912f-74ae24569bac is
> tainted:
> > >> > > high-privileges
> > >> > > Mar 21 11:49:59 mtl1-apphst03.mt.pbt.com.mt libvirtd[537]:
> > 2019-03-21
> > >> > > 11:49:59.402+0000: 540: warning : qemuDomainObjTaint:7521 : Domain
> > >> id=3
> > >> > > name='v-2-VM' uuid=af2a8342-cd9b-4b55-ba12-480634a31d65 is
> tainted:
> > >> > > high-privileges
> > >> > >
> > >> > >
> > >> > > What can be done about that ?
> > >> > >
> > >> >
> > >> >
> > >> > --
> > >> >
> > >> > Andrija Panić
> > >> >
> > >>
> > >
> > >
> > > --
> > >
> > > Andrija Panić
> > >
> >
> >
> > --
> >
> > Andrija Panić
> >
>


-- 
With best regards, Ivan Kudryavtsev
Bitworks LLC
Cell RU: +7-923-414-1515
Cell USA: +1-201-257-1512
WWW: http://bitworks.software/ <http://bw-sw.com/>

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