5:54 a.m.
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Hi Everyone,
Just an update, I installed a new Ubuntu guest VM and it was doing
the same thing regarding the network going down, then I disabled IPv6
and it's been fine for the past 10-15 minutes. So the issue seems to be
IPv6 related, and I don't need IPv6 so I can just turn it off. The eth1
NIC disappearing is still worrisome though.
On 2017-04-10 07:13 AM, Charles Tassell wrote:
Hi Everyone,
Thanks for the help, answers below.
On 2017-04-10 05:27 AM, Sandro Bonazzola wrote:
> Adding Simone and Martin, replying inline.
>
> On Mon, Apr 10, 2017 at 10:16 AM, Ondrej Svoboda <osvoboda(a)redhat.com
> <mailto:osvoboda@redhat.com>> wrote:
>
> Hello Charles,
>
> First, can you give us more information regarding the duplicated
> IPv6 addresses? Since you are going to reinstall the hosted
> engine, could you make sure that NetworkManager is disabled
> before adding the second vNIC (and perhaps even disable IPv6 and
> reboot as well, so we have a solid base and see what makes the
> difference)?
>
I disabled NetworkManager on the hosts (systemctl disable
NetworkManager ; service NetworkManager stop) before doing the oVirt
setup and rebooted to make sure that it didn't come back up. Or are
you referring to on the hosted engine VM? I just removed and re-added
the eth1 NIC in the hosted engine, and this is what showed up in dmesg:
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: [1af4:1000] type 00 class
0x020000
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x10: [io 0x0000-0x001f]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x14: [mem
0x00000000-0x00000fff]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x20: [mem
0x00000000-0x00003fff 64bit pref]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x30: [mem
0x00000000-0x0003ffff pref]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 6: assigned [mem
0xc0000000-0xc003ffff pref]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 4: assigned [mem
0xc0040000-0xc0043fff 64bit pref]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 1: assigned [mem
0xc0044000-0xc0044fff]
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 0: assigned [io
0x1000-0x101f]
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: enabling device
(0000 -> 0003)
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: irq 35 for MSI/MSI-X
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: irq 36 for MSI/MSI-X
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: irq 37 for MSI/MSI-X
[Mon Apr 10 06:46:43 2017] IPv6: ADDRCONF(NETDEV_UP): eth1: link is
not ready
[Mon Apr 10 06:46:43 2017] IPv6: eth1: IPv6 duplicate address
fe80::21a:4aff:fe16:151 detected!
Then when the network dropped I started getting these:
[Mon Apr 10 06:48:00 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!
[Mon Apr 10 06:48:00 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!
[Mon Apr 10 06:49:51 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!
[Mon Apr 10 06:51:40 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!
The network on eth1 would go down for a few seconds then come back up,
but networking stays solid on eth0. I disabled NetworkManager on the
HE VM as well to see if that makes a difference. I also disabled IPv6
with sysctl to see if that helps. I'll install a Ubuntu VM on the
cluster later today and see if it has a similar issue.
>
> What kind of documentation did you follow to install the hosted
> engine? Was it this page?
> https://www.ovirt.org/documentation/how-to/hosted-engine/
> <https://www.ovirt.org/documentation/how-to/hosted-engine/> If
> so, could you file a bug against VDSM networking and attach
> /var/log/vdsm/vdsm.log and supervdsm.log, and make sure they
> include the time period from adding the second vNIC to rebooting?
>
> Second, even the vNIC going missing after reboot looks like a bug
> to me. Even though eth1 does not exist in the VM, can you see it
> defined for the VM in the engine web GUI?
>
>
> If the HE vm configuration wasn't flushed to the OVF_STORE yet, it
> make sense it disappeared on restart.
>
The docs I used were
https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.1/...
which someone on the list pointed me to last week as being more
up-to-date than what was on the website (the docs on the website don't
seem to mention that you need to put the HE on it's own datastore and
look to be more geared towards bare-metal engine rather than the VM
self hosted option.)
When I went back into the GUI and looked at the hosted engine config
the second NIC was listed there, but it wasn't showing up in lspci on
the VM. I removed the NIC in the GUI and re-added it, and the device
appeared again on the VM. What is the proper way to "save" the state
of the VM so that the OVF_STORE gets updated? When I do anything on
the HE VM that I want to test I just type "reboot", but that powers
down the VM. I then login to my host and run "hosted-engine
--vm-start" which restarts it, but of course the last time I did that
it restarted without the second NIC.
>
> The steps you took to install the hosted engine with regards to
> networking look good to me, but I believe Sandro (CC'ed) would be
> able to give more advice.
>
> Sandro, since we want to configure bonding, would you recommend
> to install the engine physically first, move it to a VM,
> according to the following method, and only then reconfigure
> networking?
>
https://www.ovirt.org/documentation/self-hosted/chap-Migrating_from_Bare_...
>
<https://www.ovirt.org/documentation/self-hosted/chap-Migrating_from_Bare_...
>
>
>
> I don't see why a diret HE deployment couldn't be done. Simone,
> Martin can you help here?
>
>
>
> Thank you,
> Ondra
>
> On Mon, Apr 10, 2017 at 8:51 AM, Charles Tassell
> <ctassell(a)gmail.com <mailto:ctassell@gmail.com>> wrote:
>
> Hi Everyone,
>
> Okay, I'm again having problems with getting basic
> networking setup with oVirt 4.1 Here is my situation. I
> have two servers I want to use to create an oVirt cluster,
> with two different networks. My "public" network is a 1G
> link on device em1 connected to my Internet feed, and my
> "storage" network is a 10G link connected on device p5p1 to
> my file server. Since I need to connect to my storage network
> in order to do the install, I selected p5p1 has the ovirtmgmt
> interface when installing the hosted engine. That worked
> fine, I got everything installed, so I used some ssh-proxy
> magic to connect to the web console and completed the install
> (setup a Storage domain and create a new network vmNet for VM
> networking and added em1 to it.)
>
> The problem was that when I added a second network device
> to the HostedEngine VM (so that I can connect to it from my
> public network) it would intermittently go down. I did some
> digging and found some IPV6 errors in the dmesg (IPv6: eth1:
> IPv6 duplicate address 2001:410:e000:902:21a:4aff:fe16:151
> detected!) so I disabled IPv6 on both eth0 and eth1 in the
> HostedEngine and rebooted it. The problem is that when I
> restarted the VM, the eth1 device was missing.
>
> So, my question is: Can I add a second NIC to the
> HostedEngine VM and make it stick, or will it be deleted
> whenever the engine VM is restarted?
>
>
> When you change something in the HE Vm using the web ui, it has to be
> saved also on the OVF_STORE to make it permanent for further reboot.
> Martin can you please elaborate here?
>
>
> Is there a better way to do what I'm trying to do, ie, should
> I setup ovirtmgmt on the public em1 interface, and then
> create the "storage" network after the fact for connecting to
> the datastores and such. Is that even possible, or
> required? I was thinking that it would be better for
> migrations and other management functions to happen on the
> faster 10G network, but if the HostedEngine doesn't need to
> be able to connect to the storage network maybe it's not
> worth the effort?
>
> Eventually I want to setup LACP on the storage network, but
> I had to wipe the servers and reinstall from scratch the last
> time I tried to set that up. I was thinking that it was
> because I setup the bonding before installing oVirt, so I
> didn't do that this time.
>
> Here are my /etc/sysconfig/network-scripts/ifcfg-* files in
> case I did something wrong there (I'm more familiar with
> Debian/Ubuntu network setup than CentOS)
>
> ifcfg-eth0: (ovirtmgmt aka storage)
> ----------------
> BROADCAST=192.168.130.255
> NETMASK=255.255.255.0
> BOOTPROTO=static
> DEVICE=eth0
> IPADDR=192.168.130.179
> ONBOOT=yes
> DOMAIN=public.net <http://public.net>
> ZONE=public
> IPV6INIT=no
>
>
> ifcfg-eth1: (vmNet aka Internet)
> ----------------
> BROADCAST=192.168.1.255
> NETMASK=255.255.255.0
> BOOTPROTO=static
> DEVICE=eth1
> IPADDR=192.168.1.179
> GATEWAY=192.168.1.254
> ONBOOT=yes
> DNS1=192.168.1.1
> DNS2=192.168.1.2
> DOMAIN=public.net <http://public.net>
> ZONE=public
> IPV6INIT=no
>
> _______________________________________________
> Users mailing list
> Users(a)ovirt.org <mailto:Users@ovirt.org>
> http://lists.ovirt.org/mailman/listinfo/users
> <http://lists.ovirt.org/mailman/listinfo/users>
>
>
>
>
>
> --
>
> SANDRO BONAZZOLA
>
> ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
>
> Red Hat EMEA <https://www.redhat.com/>
>
> <https://red.ht/sig>
> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
>
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<p>Hi Everyone,</p>
<p> Just an update, I installed a new Ubuntu guest VM and it was
doing the same thing regarding the network going down, then I
disabled IPv6 and it's been fine for the past 10-15 minutes. So
the issue seems to be IPv6 related, and I don't need IPv6 so I can
just turn it off. The eth1 NIC disappearing is still worrisome
though.<br>
</p>
<br>
<div class="moz-cite-prefix">On 2017-04-10 07:13 AM, Charles Tassell
wrote:<br>
</div>
<blockquote
cite="mid:208a3a45-ad2a-4cea-82c1-474553cff236@gmail.com"
type="cite">
<meta content="text/html; charset=utf-8"
http-equiv="Content-Type">
<div class="moz-cite-prefix">Hi Everyone,<br>
<br>
Thanks for the help, answers below.<br>
<br>
On 2017-04-10 05:27 AM, Sandro Bonazzola wrote:<br>
</div>
<blockquote
cite="mid:CAPQRNT=w+P46u+Qter3-6yKPVqYogoErLWB66keLBQt7Up0KqA@mail.gmail.com"
type="cite">
<div dir="ltr">Adding Simone and Martin, replying
inline.<br>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Apr 10, 2017 at 10:16 AM,
Ondrej Svoboda <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:osvoboda@redhat.com"
target="_blank">osvoboda(a)redhat.com</a>&gt;</span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div>Hello Charles,<br>
<br>
</div>
<div>First, can you give us more information regarding
the duplicated IPv6 addresses? Since you are going
to reinstall the hosted engine, could you make sure
that NetworkManager is disabled before adding the
second vNIC (and perhaps even disable IPv6 and
reboot as well, so we have a solid base and see what
makes the difference)?<br>
</div>
</div>
</blockquote>
</div>
</div>
</div>
</blockquote>
I disabled NetworkManager on the hosts (systemctl disable
NetworkManager ; service NetworkManager stop) before doing the
oVirt setup and rebooted to make sure that it didn't come back
up. Or are you referring to on the hosted engine VM? I just
removed and re-added the eth1 NIC in the hosted engine, and this
is what showed up in dmesg:<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: [1af4:1000] type 00
class 0x020000<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x10: [io
0x0000-0x001f]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x14: [mem
0x00000000-0x00000fff]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x20: [mem
0x00000000-0x00003fff 64bit pref]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: reg 0x30: [mem
0x00000000-0x0003ffff pref]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 6: assigned [mem
0xc0000000-0xc003ffff pref]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 4: assigned [mem
0xc0040000-0xc0043fff 64bit pref]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 1: assigned [mem
0xc0044000-0xc0044fff]<br>
[Mon Apr 10 06:46:43 2017] pci 0000:00:08.0: BAR 0: assigned [io
0x1000-0x101f]<br>
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: enabling
device (0000 -> 0003)<br>
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: irq 35 for
MSI/MSI-X<br>
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: irq 36 for
MSI/MSI-X<br>
[Mon Apr 10 06:46:43 2017] virtio-pci 0000:00:08.0: irq 37 for
MSI/MSI-X<br>
[Mon Apr 10 06:46:43 2017] IPv6: ADDRCONF(NETDEV_UP): eth1: link
is not ready<br>
[Mon Apr 10 06:46:43 2017] IPv6: eth1: IPv6 duplicate address
fe80::21a:4aff:fe16:151 detected!<br>
<br>
Then when the network dropped I started getting these:<br>
<br>
[Mon Apr 10 06:48:00 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!<br>
[Mon Apr 10 06:48:00 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!<br>
[Mon Apr 10 06:49:51 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!<br>
[Mon Apr 10 06:51:40 2017] IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe16:151 detected!<br>
<br>
The network on eth1 would go down for a few seconds then come back
up, but networking stays solid on eth0. I disabled NetworkManager
on the HE VM as well to see if that makes a difference. I also
disabled IPv6 with sysctl to see if that helps. I'll install a
Ubuntu VM on the cluster later today and see if it has a similar
issue.<br>
<br>
<br>
<blockquote
cite="mid:CAPQRNT=w+P46u+Qter3-6yKPVqYogoErLWB66keLBQt7Up0KqA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_extra">
<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div><br>
What kind of documentation did you follow to install
the hosted engine? Was it this page? <a
moz-do-not-send="true"
href="https://www.ovirt.org/documentation/how-to/hosted-engine/"
target="_blank">https://www.ovirt.org/<wbr>documentati...
If so, could you file a bug against VDSM networking
and attach /var/log/vdsm/vdsm.log and supervdsm.log,
and make sure they include the time period from
adding the second vNIC to rebooting?<br>
<br>
</div>
<div>Second, even the vNIC going missing after reboot
looks like a bug to me. Even though eth1 does not
exist in the VM, can you see it defined for the VM
in the engine web GUI?<br>
</div>
</div>
</blockquote>
<div><br>
</div>
<div>If the HE vm configuration wasn't flushed to the
OVF_STORE yet, it make sense it disappeared on restart.</div>
<div><br>
</div>
<div> </div>
</div>
</div>
</div>
</blockquote>
The docs I used were
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="https://access.redhat.com/documentation/en-us/red_hat_virtuali...
which someone on the list pointed me to last week as being more
up-to-date than what was on the website (the docs on the website
don't seem to mention that you need to put the HE on it's own
datastore and look to be more geared towards bare-metal engine
rather than the VM self hosted option.)<br>
<br>
When I went back into the GUI and looked at the hosted engine
config the second NIC was listed there, but it wasn't showing up
in lspci on the VM. I removed the NIC in the GUI and re-added it,
and the device appeared again on the VM. What is the proper way
to "save" the state of the VM so that the OVF_STORE gets updated?
When I do anything on the HE VM that I want to test I just type
"reboot", but that powers down the VM. I then login to my host
and run "hosted-engine --vm-start" which restarts it, but of
course the last time I did that it restarted without the second
NIC.<br>
<br>
<blockquote
cite="mid:CAPQRNT=w+P46u+Qter3-6yKPVqYogoErLWB66keLBQt7Up0KqA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_extra">
<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div><br>
</div>
<div>The steps you took to install the hosted engine
with regards to networking look good to me, but I
believe Sandro (CC'ed) would be able to give more
advice.<br>
<br>
Sandro, since we want to configure bonding, would
you recommend to install the engine physically
first, move it to a VM, according to the following
method, and only then reconfigure networking? <a
moz-do-not-send="true"
href="https://www.ovirt.org/documentation/self-hosted/chap-Migrating...
target="_blank">https://www.ovirt.org/<wbr>documentati...
</div>
</blockquote>
<div><br>
</div>
<div><br>
</div>
<div>I don't see why a diret HE deployment couldn't be
done. Simone, Martin can you help here?</div>
<div> </div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div><br>
<br>
</div>
<div>Thank you,<br>
</div>
<div>Ondra<br>
</div>
</div>
<div class="HOEnZb">
<div class="h5">
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Apr 10, 2017 at
8:51 AM, Charles Tassell <span
dir="ltr"><<a
moz-do-not-send="true"
href="mailto:ctassell@gmail.com"
target="_blank">ctassell(a)gmail.com</a>&gt;</span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">Hi Everyone,<br>
<br>
Okay, I'm again having problems with getting
basic networking setup with oVirt 4.1 Here is
my situation. I have two servers I want to
use to create an oVirt cluster, with two
different networks. My "public" network is a
1G link on device em1 connected to my Internet
feed, and my "storage" network is a 10G link
connected on device p5p1 to my file server.
Since I need to connect to my storage network
in order to do the install, I selected p5p1
has the ovirtmgmt interface when installing
the hosted engine. That worked fine, I got
everything installed, so I used some ssh-proxy
magic to connect to the web console and
completed the install (setup a Storage domain
and create a new network vmNet for VM
networking and added em1 to it.)<br>
<br>
The problem was that when I added a second
network device to the HostedEngine VM (so that
I can connect to it from my public network) it
would intermittently go down. I did some
digging and found some IPV6 errors in the
dmesg (IPv6: eth1: IPv6 duplicate address
2001:410:e000:902:21a:4aff:fe1<wbr>6:151
detected!) so I disabled IPv6 on both eth0 and
eth1 in the HostedEngine and rebooted it. The
problem is that when I restarted the VM, the
eth1 device was missing.<br>
<br>
So, my question is: Can I add a second NIC
to the HostedEngine VM and make it stick, or
will it be deleted whenever the engine VM is
restarted? </blockquote>
</div>
</div>
</div>
</div>
</blockquote>
<div><br>
</div>
<div>When you change something in the HE Vm using the web
ui, it has to be saved also on the OVF_STORE to make it
permanent for further reboot.</div>
<div>Martin can you please elaborate here?</div>
<div><br>
</div>
<div><br>
</div>
<div> </div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="HOEnZb">
<div class="h5">
<div class="gmail_extra">
<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">Is there a better way
to do what I'm trying to do, ie, should I
setup ovirtmgmt on the public em1 interface,
and then create the "storage" network after
the fact for connecting to the datastores and
such. Is that even possible, or required? I
was thinking that it would be better for
migrations and other management functions to
happen on the faster 10G network, but if the
HostedEngine doesn't need to be able to
connect to the storage network maybe it's not
worth the effort?<br>
<br>
Eventually I want to setup LACP on the
storage network, but I had to wipe the servers
and reinstall from scratch the last time I
tried to set that up. I was thinking that it
was because I setup the bonding before
installing oVirt, so I didn't do that this
time.<br>
<br>
Here are my /etc/sysconfig/network-scripts<wbr>/ifcfg-*
files in case I did something wrong there (I'm
more familiar with Debian/Ubuntu network setup
than CentOS)<br>
<br>
ifcfg-eth0: (ovirtmgmt aka storage)<br>
----------------<br>
BROADCAST=192.168.130.255<br>
NETMASK=255.255.255.0<br>
BOOTPROTO=static<br>
DEVICE=eth0<br>
IPADDR=192.168.130.179<br>
ONBOOT=yes<br>
DOMAIN=<a moz-do-not-send="true"
href="http://public.net" rel="noreferrer"
target="_blank">public.net</a><br>
ZONE=public<br>
IPV6INIT=no<br>
<br>
<br>
ifcfg-eth1: (vmNet aka Internet)<br>
----------------<br>
BROADCAST=192.168.1.255<br>
NETMASK=255.255.255.0<br>
BOOTPROTO=static<br>
DEVICE=eth1<br>
IPADDR=192.168.1.179<br>
GATEWAY=192.168.1.254<br>
ONBOOT=yes<br>
DNS1=192.168.1.1<br>
DNS2=192.168.1.2<br>
DOMAIN=<a moz-do-not-send="true"
href="http://public.net" rel="noreferrer"
target="_blank">public.net</a><br>
ZONE=public<br>
IPV6INIT=no<br>
<br>
______________________________<wbr>_________________<br>
Users mailing list<br>
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href="mailto:Users@ovirt.org"
target="_blank">Users(a)ovirt.org</a><br>
<a moz-do-not-send="true"
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