If the new files need indirect blocks or extended attributes that don’t fit in 
the basic inode, additional metadata space would need to be allocated. There 
might be other reasons but these come to mind immediately.

  -- ddj
Dave Johnson

> On Jan 23, 2018, at 12:16 PM, Buterbaugh, Kevin L 
> <[email protected]> wrote:
> 
> Hi All,
> 
> I was under the (possibly false) impression that if you have a filesystem 
> where the system pool contains metadata only then the only thing that would 
> cause the amount of free space in that pool to change is the creation of more 
> inodes … is that correct?  In other words, given that I have a filesystem 
> with 130 million free (but allocated) inodes:
> 
> Inode Information
> -----------------
> Number of used inodes:       218635454
> Number of free inodes:       131364674
> Number of allocated inodes:  350000128
> Maximum number of inodes:    350000128
> 
> I would not expect that a user creating a few hundred or thousands of files 
> could cause a “no space left on device” error (which I’ve got one user 
> getting).  There’s plenty of free data space, BTW.
> 
> Now my system pool is almost “full”:
> 
> (pool total)           2.878T                                   34M (  0%)    
>     140.9M ( 0%)
> 
> But again, what - outside of me creating more inodes - would cause that to 
> change??
> 
> Thanks…
> 
> Kevin
> 
> —
> Kevin Buterbaugh - Senior System Administrator
> Vanderbilt University - Advanced Computing Center for Research and Education
> [email protected] - (615)875-9633
> 
> 
> 
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