OK, filed #32400 <https://github.com/kubernetes/kubernetes/issues/32400>.

On Thursday, September 8, 2016 at 4:48:21 PM UTC-7, Ian Lewis wrote:
>
> Nate,
>
> Go ahead and file an issue.
>
> On Fri, Sep 9, 2016, 08:15 Nate Rook <[email protected] <javascript:>> 
> wrote:
>
>> (I'm on GKE, but I don't think that's relevant here.)
>>
>> I recently ran into an issue where one of my nodes became unhealthy 
>> because its local disk ran out of inodes. It turned out all the Docker 
>> images were using up all my inodes. Deleting unused images freed up the 
>> vast majority of the inodes, making the node usable again.
>>
>> I see Kubernetes should be smart enough to garbage collect images 
>> <http://kubernetes.io/docs/admin/garbage-collection/#image-collection>, 
>> but it looks like this only fires if lots of disk space is used up. I had 
>> plenty of disk space, it was just inodes I was running out of. Is there a 
>> reason it doesn't garbage collect images on a disk with few remaining 
>> inodes, too?
>>
>> (I'd just file a bug, but I want to make sure my understanding of the 
>> situation is complete first.)
>>
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