I wrote: [...]

It does indeed, but I don't think I believe it: the limit should be 254 per *volume*.

I've confirmed this by creating 254 qtrees in a /vol/test when there are plenty in other volumes as well. On attempting to "qtree create" the 255th, you get the error

qtree: cannot create more than 254 qtrees.

Chris Thompson University of Cambridge Computing Service, Email: cet1@ucs.cam.ac.uk New Museums Site, Cambridge CB2 3QG, Phone: +44 1223 334715 United Kingdom.