Apple Xsan 1.4 - Manual (Page 117)

Chapter 4 Managing Clients and Users 117
Define SAN Users Consistently for Accurate Quotas
To be sure that Xsan user quota information is accurate, make sure user names and IDs
are consistent on all computers on the SAN. For more information, see “Set Up SAN
Users and Groups” on page 54.
Checking User Quota Use
You can use Xsan Admin to check file system quotas to see how much of their
allotment users and groups are using.
Hard quota
Soft quota