Stopping nsrck L6

I've seen in command guide.

"Checks done at a higher level generally take longer than checks at a lower level.
Checks at a higher level provide a more thorough checking of the online file index.
Level 7 is used when the online file index on disk needs to add in file index data
recovered from backup media. The nsrck program is restartable at any time during its
execution. Therefore, it can survive system crashes or exhaustion of resources without
losing data."

Which seems to imply it is safe to stop. Not sure though, if I stop it manually with a CTRL+C, the next time I run the nsrck -L6, will it continue from where it stopped, or start from the beginning.

I've also seen this:

"–m Invokes consistency checks to detect and remove inconsistent records from the
media database. If inconsistent records are detected, the occurences will be
recorded in the daemon log. If inconsistent save set records are detected and
removed, then nsrck -X should be run to remove the associated index records
from the client’s online file index.

This option must only be run when the NetWorker server is idle, as the media
database will be unresponsive while performing the consistency checks. This
option performs the same operations that are invoked at startup after an
improper media database shutdown is detected"

Would that apply to just the -m option, or also the -L6. In which case, the process should be stopped to allow backups to continue running?