Host Unable to Converge With Management Plane
Problem
- There are multiple processes that are running the
vgs
command and are stuck.
- Hostagent is stuck executing at executing fetch_volumes_present.py extension
- This extension of Hostagent /opt/pf9/hostagent/extensions/fetch_volumes_present.py returns a list of volumes present on the host.
- The
vgs
command is stuck on lvmetad service to provide info for Volume Group [Volume Group ID]
Environment
- Platform9 Managed OpenStack - v3.6.0 and Higher
- pf9-hostagent
Cause
The cause of lvm2-lvmetad.service becoming unresponsive is not known.
Resolution
- Restart the lvm2-lvmetad.service
- Confirm the service is active.
- After restarting the LVM metadata daemon(metadata cache service for LVM) now we can run commands successfully.
Additional Information
Directly read devices for VG metadata without lvmetad.
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