MySQL automatically unloads when performing any of the following maintenance operations on NSS pools or volumes:
Rebuilding, verifying or repairing NSS pools that have volumes with a MySQL data folder.
Manually deactivating NSS pools or volumes that have a MySQL data folder.
Performing any NSS operation that deactivates a pool or a volume that has a MySQL data folder.
For more information about NSS pools and volumes, see Managing NSS Pools
and Managing NSS Volumes
in the NW 6.5 SP8: NSS File System Administration Guide.