NFS inode count differs from ZFS

So, I've noticed an interesting behavior. My FreeNAS reports a huge number of inodes (~4B) for one of my filesystems, but my NFS client shows a much smaller number. At one point yesterday a tool that I'm using reported that the filesystem had 100% of it's inodes used. That appeared to be a transient issue as the number of available inodes reported when I checked are shown below.

The number of available inodes as reported by FreeNAS is larger and 2^32, and seems a bit arbitrary since the...

NFS inode count differs from ZFS