Re: Allocating inodes from a single block

[Eric Sandeen <sandeen@xxxxxxxxxxx>]

Chris Wedgwood wrote:
> On Tue, Jul 17, 2007 at 11:11:50AM -0700, Michael Nishimoto wrote:
> 
>> Filesystem free space becomes fragmented over time.  It's possible
>> for total free space to be a decent size and still not have a chunk
>> large enough to allocate new inodes.
> 
> by default there is a restriction that indoes shouldn't consume more
> that 25% of the total space
> 
> see the mkfs.xfs man-page for details, search for 'maxpct'
> 
> for existing filesystems you can use xfs_db to rewrite this value

The problem is that inodes are allocated in "clusters" of blocks.

If your free blocks aren't such that they can form a cluster, I think
you're out of luck when trying to allocate new inodes if your existing
clusters are full.

-Eric