[TriLUG] Reclaiming inodes

[Peter Neilson via TriLUG]

Sure looks like the fs somehow wasn't provisioned with enough inodes when  
it was created. My Ubuntu Trusty system has 58M of them, of which I'm  
using 2.4M. Make a better fs and copy to it, I guess.

On Thu, 28 Sep 2017 09:48:32 -0400, Thomas Delrue via TriLUG  
<trilug at trilug.org> wrote:

> I'm in a bit of a bind and have never seen this before so if anyone can
> explain to me what is happening, that would be great:
>
> I have a machine that keeps reporting that it's run out of disk space.
> So I do the usual "df -h" and get this:
> username at host ~ $ df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/root        12G  3.9G  7.1G  36% /
> devtmpfs        997M     0  997M   0% /dev
> tmpfs           999M     0  999M   0% /dev/shm
> tmpfs           999M  9.5M  990M   1% /run
> tmpfs           5.0M     0  5.0M   0% /run/lock
> tmpfs           999M     0  999M   0% /sys/fs/cgroup
>
> But it reports that it has no more disk space, so I dig a little deeper  
> and I
> find that I could also run df with the -i (inodes) flag, which gives me  
> this:
>
> username at host ~ $ df -hi
> Filesystem     Inodes IUsed IFree IUse% Mounted on
> /dev/root        735K  735K     0  100% /
> devtmpfs         250K  1.4K  248K    1% /dev
> tmpfs            250K     1  250K    1% /dev/shm
> tmpfs            250K  1.2K  249K    1% /run
> tmpfs            250K     3  250K    1% /run/lock
> tmpfs            250K    16  250K    1% /sys/fs/cgroup
>
> I appear to have "run out of inodes"? Is there a way to reclaim them?
>
> Thanks
> Thomas