About the timing of the error of the Celerra product for Quota

In Celerra System environment performing user using in NFS and user group quote limit

Generally, as "handling of file "order

open --> read/write --> close

When "write function" was generally called a full case quote limit,an error occurs.
Which timing does the Celerra System environment performa notice of error (error handling) in?

・"0"(GB)
・Size setting except "0"

Is there the difference share of the procedure of the notice of error?

NFS Server & Client use CentOS

[NFS Server]

OS : CentOS release 5.10 (Final)

Kernel : 2.6.18-371.1.2.el5

NFS: nfs-utils-1.0.9-70.el5 /nfs-utils-lib-1.0.8-7.9.el5

[NFS Client]

OS : CentOS release 5.8 (Final)

Kernel : 2.6.18-308.el5

NFS :　nfs-utils-1.0.9-60.el5 / nfs-utils-lib-1.0.8-7.9.el5