1:44 p.m.
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 < [ mailto:jaymef@gmail.com | 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 < [ mailto:fschmid@ubimet.com |
fschmid(a)ubimet.com ] > wrote:
BQ_BEGIN
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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