df not reporting correct free space - hard link problems?

[Les Mikesell]

Neil Bird wrote:
> 
>   On my (ext3, LVM) drive on which I perform backups, I went to copy a 
> large directory and starting getting loads of out-of-space errors, even 
> though 'df' reports plenty of room, even to non-root users.
> 
> 
> $ df -h /usr/backup
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/mapper/sata0-backup
>                       464G  367G   88G  81% /usr/backup
> 
> .. but:
> 
> mv: cannot create regular file `blah': No space left on device

If you have a lot of small files you might run out of inodes before 
using all the space.  Try 'df -i'.

-- 
   Les Mikesell
    lesmikesell at gmail.com