I ran into my first real problem with fileserver1 and 10.4 to 10.5.

This involved http://arstechnica.com/reviews/os/mac-os-x-10-5.ars/11
extended file attribute information being lost.

Here is an ls -l

-rwx------  1 daslab  staff   2224 Jun 24 11:12 O18label.bad
-rwx------  1 daslab  staff    542 Jun 24 10:26 O18_anskeys
-rw-r-r-@ 1 daslab  staff  45568 Jun 24 09:17 RetreatAbstract.doc
-rw-r-r-@ 1 daslab  staff  75776 Jun 23 15:11 Chemical Inventory.xls
-rwxrwxrwx@ 1 daslab  staff   2224 Jun 19 00:10 O18label

The first and last files are of interest. The first one will not open
correctly (in scifinder) the last works fine. The first one went through
fileserver1, the second used a thumb drive. I repeated the process using
netapp-filer03b and it worked correctly.

Note the bite counts are identical.