On Sep 20, 2005, at 11:56 PM, David Laight wrote:

> You are (probably) too young......
>
> The RSX-11M filesystem [1] had every disk block allocated to a file,
> including the metadata. Searching for free space, someone found these
> large files hidden in the system directory and deleted them.  They
> then had to revert to the disk archive!

It doesn't take an old-timer to be familiar with metadata-in-files  
file systems... HFS+ also puts metadata into files.

-- thorpej