>dump/restore of many many gigabytes is burden some, but sometimes the
>only answer to this.  I wonder what UFS2 does to address this...

iirc, it allows you to make much bigger filesystems, thereby moving
the time at which you run out of free blocks (and have only fragments
left) far into the future.  ;-)

-- 
|-----< "CODE WARRIOR" >-----|
codewarrior@daemon.org             * "ah!  i see you have the internet
twofsonet@graffiti.com (Andrew Brown)                that goes *ping*!"
werdna@squooshy.com       * "information is power -- share the wealth."