# pwd
/var/data
# vzquota on 100001
# cd test/test
# vzquota off 100001
vzquota : (error) Quota off syscall for id 100001: Device or resource busy
vzquota : (error)       Possible reasons:
vzquota : (error)       - Container's root is not unmounted
vzquota : (error)       - there are opened files inside container's root/private area
vzquota : (error)       - your current working directory is inside a container directory
vzquota : (error)         root/private area
vzquota : (error)       Currently used file(s):
/var/data/test/test
# vzquota off 100001 -f
# cd -
# vzquota on 100001
vzquota : (warning) quota usage is invalid for id 100001, recalculating disk usage...
#