ZFS'inodes' (as reported by 'df -i') running out?

[Ivan Voras]

Karl Pielorz wrote:
> 
> Hi All,
> 
> I originally posted this in freebsd-fs - but didn't get a reply... I
> have a number of systems (mostly 7.2-S/amd64) running ZFS. Some of these
> handle millions of files.
> 
> I've noticed recently, according to "df -i" I'm starting to run out of
> inodes on some of them (96% used).
> 
> e.g.
> 
> "
> Filesystem     iused    ifree %iused Mounted on
> vol/imap      1726396   69976   96%  /vol/imap
> "
> 
> 
> I know ZFS doesn't have inodes (think they're znodes), and is capable of
> handling more files than you can probably sensibly think about on a
> filesystem - but is "df -i" just getting confused, or do I need to be
> concerned?

AFAIK ZFS allocates inodes when needed so df -i reports the previously
allocated value. The number of available inodes should automatically
grow as you add more files.