ycah, You're not doing anything wrong, what you're seeing is a combination of a couple of factors. 1. Isilon does not support/run the rquotad daemon, so quota commands from Linux distros won't return accurate results. 2. User quotas on Isilon although enforced do not report back the size of the quota as a directory limit on a mount, instead you see the size of the cluster as you've indicated.  Neither of these items stops the cluster from enforcing quota limits, however it does make those limits more obscure to your users.  So you have a few options. 1. Use hard directory quotas instead of user quotas, and be sure to set show available space as 'size of hard threshold'.  This means that you'll need to script out the directory quota creation, however, then when they are mounted the user can easily see their hard quota as the size of the volume mounted with a 'df -kh', rather than using quota. 2. Continue to use user quotas, because they are easier to automate, however configure advisory quotas and notifications, so that the cluster can automatically email users when they hit say 85%, and then again at maybe a soft boundary of 95% with a 7-day grace, and then email again, when they hit 100%.  You can do all of this in an email notification template.  And the beauty there is that they are customizable, so you can direct the users to contact the IT helpdesk if they need more space, and assuming you have AD or LDAP configured and populated with email addresses, you can have the cluster automatically send the notifications based on file ownership.  This means a single template could handle all of your user home directories.  I hope this helps, Chris Klosterman Senior Solution Architect EMC Isilon Offer & Enablement Team chris.klosterman[NAME].com twitter: [NAME]
My users would like to be able to check on their quota usage.. BEFORE they surpass their quotas.  There is a quota command with RHEL 6.x that is supposed to query the rpc.quota deamon running on the isilon to ascertain the current usage. i.e.  quota  -f /ifs/home quota: error while getting quota from isilon:/ifs/home for rreeder (id 50050): Connection refused.  Oh, it's not a 50050 error, that's my UID...   Anyway,  anyone gotten this to work?
Using Linux quota command pointing to an /ifs nfs mounted filesystem. 50050 
error.