1:57 a.m.
Hello Florian,
Thanks for checking the patch and posting the bug.
You need to restart vdsmd and supervdsmd.
It should not affect running VM/s, but you always have a risk that
something unexpected can happen. Perhaps try it on a host and then proceed
with others.
Thanks,
Edy.
On Tue, Sep 4, 2018 at 9:45 AM, Florian Schmid <fschmid(a)ubimet.com> wrote:
Hello Edward,
I have applied the patch and it looks very good!
vdsm-client Host getStats ->
...
"enp9s0.88": {
"rxErrors": "0",
"name": "enp9s0.88",
"tx": "1226",
"txDropped": "0",
"sampleTime": 1536043097.701361,
"rx": "98642",
"txErrors": "0",
"state": "up",
"speed": "10000",
"rxDropped": "0"
},
...
Bridge devices still have only 1000 configured:
"vm-int-dev": {
"rxErrors": "0",
"name": "vm-int-dev",
"tx": "578",
"txDropped": "0",
"sampleTime": 1536043097.701361,
"rx": "27843284",
"txErrors": "0",
"state": "up",
"speed": "1000",
"rxDropped": "0"
},
One important question:
I want to apply this patch without upgrading all hosts, because this is a
huge task.
When I apply that patch only to this particular file, which service do I
need to restart?
I have restarted now all three vdsm services, but I think, I can't do that
while VMs are running on the hosts, do I?
LG Florian
------------------------------
*Von: *"Florian Schmid" <fschmid(a)ubimet.com>
*An: *"edwardh" <edwardh(a)redhat.com>
*CC: *"users" <users(a)ovirt.org>
*Gesendet: *Dienstag, 4. September 2018 08:32:09
*Betreff: *[ovirt-users] Re: Wrong network threshold limit warnings on
4.2.5
Hello Edward,
raised a bug report: https://bugzilla.redhat.com/show_bug.cgi?id=1625098
I will try your patch.
LG Florian
------------------------------
*Von: *"Edward Haas" <ehaas(a)redhat.com>
*An: *"p staniforth" <P.Staniforth(a)leedsbeckett.ac.uk>, "Florian
Schmid" <
fschmid(a)ubimet.com>
*CC: *"users" <users(a)ovirt.org>
*Gesendet: *Montag, 3. September 2018 16:42:25
*Betreff: *Re: Wrong network threshold limit warnings on 4.2.5
Indeed looks like a nasty bug.
Could you please open a bug on this? https://tinyurl.com/ya7crjhf
If you can, could you also verify the fix? https://gerrit.ovirt.org/#/c/
94132/
Thanks,
Edy.
On Mon, Sep 3, 2018 at 2:32 PM, Staniforth, Paul <
P.Staniforth(a)leedsbeckett.ac.uk> wrote:
> Hello Edward,
>
> I am also seeing this problem, it's on our
> ovirtmgmt.
>
>
> cat /sys/class/net/eno49/speed
> 10000
>
>
>
> cat /sys/class/net/eno49.20/speed
> 10000
>
>
>
> cat /sys/class/net/ovirtmgmt/speed
> cat: /sys/class/net/ovirtmgmt/speed: Invalid argument
>
>
> vdsm-client Host getStats ->
> ...
>
> "eno49": {
> "rxErrors": "0",
> "name": "eno49",
> "tx": "3456777",
> "txDropped": "0",
> "sampleTime": 1535974190.687987,
> "rx": "121362321",
> "txErrors": "0",
> "state": "up",
> "speed": "10000",
> "rxDropped": "2"
> },
>
> "eno49.20": {
> "rxErrors": "0",
> "name": "eno49.20",
> "tx": "3384452",
> "txDropped": "0",
> "sampleTime": 1535974190.687987,
> "rx": "115884579",
> "txErrors": "0",
> "state": "up",
> "speed": "1000",
> "rxDropped": "0"
> },
>
> "ovirtmgmt": {
> "rxErrors": "0",
> "name": "ovirtmgmt",
> "tx": "3383804",
> "txDropped": "0",
> "sampleTime": 1535974190.687987,
> "rx": "115710919",
> "txErrors": "0",
> "state": "up",
> "speed": "1000",
> "rxDropped": "0"
> },
>
>
> Regards,
>
> Paul S.
>
> ------------------------------
> *From:* Florian Schmid <fschmid(a)ubimet.com>
> *Sent:* 03 September 2018 11:44
> *To:* edwardh(a)redhat.com
> *Cc:* users
> *Subject:* [ovirt-users] Re: Wrong network threshold limit warnings on
> 4.2.5
>
> Hi Edward,
>
> I got some alarms today from a server and I have checked your command
> there. (not at the time the issue happened!!)
> Hosts are on latest patch level CentOS 7.5 and oVirt 4.2.5
>
> Example:
> cat /sys/class/net/enp9s0/speed
> 10000
>
> cat /sys/class/net/enp9s0.80/speed
> 10000
>
> cat /sys/class/net/vm-int-nfs/speed
> cat: /sys/class/net/vm-int-nfs/speed: invalid argument <- this is
> the bridge for the VMs
>
> vdsm-client Host getStats ->
> ...
> "enp9s0": {
> "rxErrors": "0",
> "name": "enp9s0",
> "tx": "3335325754762",
> "txDropped": "0",
> "sampleTime": 1535970960.602359,
> "rx": "5916567956502",
> "txErrors": "0",
> "state": "up",
> "speed": "10000",
> "rxDropped": "0"
> },
> ...
> "enp9s0.80": {
> "rxErrors": "0",
> "name": "enp9s0.80",
> "tx": "3180024039398",
> "txDropped": "0",
> "sampleTime": 1535970960.602359,
> "rx": "5669421065686",
> "txErrors": "0",
> "state": "up",
> "speed": "1000",
> "rxDropped": "0"
> },
> ...
> "vm-int-nfs": {
> "rxErrors": "0",
> "name": "vm-int-nfs",
> "tx": "508",
> "txDropped": "0",
> "sampleTime": 1535970960.602359,
> "rx": "4428568",
> "txErrors": "0",
> "state": "up",
> "speed": "1000",
> "rxDropped": "0"
> },
> ...
>
> As you see here, vdsm is reporting the wrong speed for the vlan devices.
>
> BR Florian Schmid
>
>
> ------------------------------
> *Von: *"Edward Haas" <ehaas(a)redhat.com>
> *An: *"Jayme" <jaymef(a)gmail.com>, "Florian Schmid"
<fschmid(a)ubimet.com>
> *CC: *"users" <users(a)ovirt.org>, "Alona Kaplan"
<alkaplan(a)redhat.com>
> *Gesendet: *Montag, 3. September 2018 11:38:25
> *Betreff: *Re: [ovirt-users] Re: Wrong network threshold limit warnings
> on 4.2.5
>
> If you manage to recreate this, please collect a few samples from what
> the hypervisor reports back:
> Run the command: vdsm-client Host getStats
>
> Engine is calculating based on this information the rate.
> (and the agent collects it from /sys/class/net/<device>/statistics/)
>
> Please also mention on what OS you are running the hosts.
>
> Thanks,
> Edy
>
>
> On Fri, Aug 31, 2018 at 5:35 PM, Jayme <jaymef(a)gmail.com> wrote:
>
>> I've been seeing these warnings myself, on 1Gb ovirtmanagement
>> (glusterFS is 10Gbe backend). I haven't correlated to network graphs yet
>> but I don't know what would be happening on my management network that
>> would be exhausting 1Gb network.
>>
>> On Fri, Aug 31, 2018 at 3:27 AM Florian Schmid <fschmid(a)ubimet.com>
>> wrote:
>>
>>> Good morning,
>>>
>>> since we have upgraded to version 4.2.5, we get a lot of warnings about
>>> network interface exceeded defined threshold limits.
>>>
>>> For example:
>>> Aug 31, 2018, 7:54:05 AM
>>> Host xxx has network interface which exceeded the defined threshold
>>> [95%] (enp9s0.80: transmit rate[100%], receive rate [12%])
>>>
>>> This is a 10 Gbit interface and on our monitoring software, which is
>>> getting network statistics every 10s, the bandwidth of TX was 150 Mbit
>>> maximum at this time, so far away from being 100%.
>>>
>>> Could it be, that the engine detected the wrong interface speed or
>>> there is a calculation error?
>>> In the engine for this host, I have 10000 Mbps for all interfaces.
>>>
>>> I have checked now all those warnings on our different hosts and they
>>> happen every time, we go over 100 Mbit and this is for sure quite often...
>>>
>>> Can I maybe disable these warnings, because we have it anyway in our
>>> monitoring software?
>>>
>>> If you need any logs, please ask.
>>>
>>> BR Florian Schmid
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>>
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