[QUESTION]:Is the kubernetes volume metrics (e.g. 'kubelet_volume_stats_used_bytes', 'kubelet_volume_stats_available_bytes') supported on a Unity 300 about csm HOT 5 CLOSED

Hi @byrnes8 ,
Please find my analysis regarding your query:

1. Capabilities Supported by CSI-Unity Driver:

   • GET_VOLUME_STATS: Yes! Supported. Link
   • VOLUME_CONDITION: Yes! Supported. Link
   • These capabilities are supported only when volume health monitoring is enabled. Check the logic here.

2. Volume Health Monitoring:

   • For more information on enabling and disabling volume health monitoring on the controller and node side, visit:
     • Installation Guide
     • Volume Health Monitoring

3. Implementation Details:
   • NodeGetVolumeStats Implementation: Link
   • Controller Side Health Tracking and Reporting: Link
   • Read more details here.

4. Kubernetes Volume Metrics:

   • Regarding the support for Kubernetes volume metrics (e.g., 'kubelet_volume_stats_used_bytes', 'kubelet_volume_stats_available_bytes'), please refer to the struct returned in the response as per the standard: Link

5. Observability support

   • This is a valid point, All above data that I have shared is wrt health monitoring feature with the help of health monitor sidecar so if user will enable this (vol health monitoring) feature then we will be able to see all these stats after describing the PVC resource. For Observability support, yes your finding is correct that we don't have this support for csi-unity driver.

Thanks,
Adarsh

from csm.

Thank you Adarsh,

If possible can you keep this issue open, in case I have any queries on the above.

Thanks,
Séamus

from csm.

Sure.

Thank you Adarsh,

If possible can you keep this issue open, in case I have any queries on the above.

Thanks, Séamus

Sure

from csm.

Hi @byrnes8 ,

As the query is answered, closing this ticket.

You can reopen this ticket if you have any further queries.

If you have new query, you can open a new ticket.

Thanks,
Yamuna

from csm.

from csm.