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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