For detailed monitoring I use Zabbix.  This way I get detailed metrics
on my hypervisors, VMs as well as my network storage.

If a machine starts generating large IO I get alerts highlighting the
responsible machine as well as the impacted services.  For example,  you
might get high IO on a VM but also the correlated high latency on
systems sharing the storage.

Sometimes users will report the the high latency, masking the real
problem so it's nice to have a holistic view of the entire environment.

Patrick.Dubois

On 2024-02-13 11:19, marek wrote:
> hi,
>
> i have prometheus based ovirt hosts monitoring (node_exporter,
> smartcl_exporter, ipmi_exporter)
>
> https://prometheus-community.github.io/ansible/branch/main/ and alerts
> from https://samber.github.io/awesome-prometheus-alerts/
>
> after i started this monitoring  i found that one VM is overloading
> local storage (so i must check IO limiting documentation as a homework
> :) )
>
> but my question is
>
> how do you monitor IO traffic per VM? (IOPS, read/write traffic,..)
>
> some qemu/libvirt exporter? some custom text file + node_exporter?
>
> thanks for tips
>
> Marek
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