Thanks for the reminder, I just got a wrong fsid in my ffs_susp_ioctl usage. Now it works well, that's awesome! Thanks again! -- View this message in context: http://freebsd.1045724.n5.nabble.com/About-Filesystem-freeze-thaw-in-freebsd-tp5989205p5992105.html Sent from the freebsd-fs mailing list archive at Nabble.com.