The plex kernel state indicates the accessibility of the plex to the volume driver which monitors it.
No user intervention is required to set these states; they are maintained internally. On a system that is operating properly, all plexes are enabled.
The following plex kernel states are defined:
Maintenance is being performed on the plex. Any write request to the volume is not reflected in the plex. A read request from the volume is not satisfied from the plex. Plex operations and
The plex is online. A write request to the volume is reflected in the plex. A read request from the volume is satisfied from the plex. If a plex is sparse, this is indicated by the