Re: XFS holding onto disk memory

[Steve Lord <lord@xxxxxxx>]

On Wed, 2003-03-26 at 13:16, Eric Sandeen wrote:
> > Is this expected behavior?  Is there a way to recover the on disk memory
> > without unmounting the filesystem?
> 
> XFS dynamically allocates inodes as they are requested, but they are
> never freed.  Even unmounting won't get this back for you.
> 
> So if you fill your disk with 0-length files, the space allocated
> for inodes will always & forever be allocated for those inodes.
> 
> (compare this to ext2, where inode space is permanently allocated
> at mkfs time).
> 
> You can use xfs_growfs to change the % of the disk which can be used
> for inodes, though.
> 
> -Eric

And we do have freeing of inodes working in house.

Steve

-- 

Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx