NFS error in AIX when running RMAN backup to disk

channel ORA_DISK_1 disabled, job failed on it will be run on another channel
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_2 channel at 05/04/2016 21:01:22
ORA-19504: failed to create file "/dbfra/testdb11d/bbbb/BBBB/backupset/2016_05_04/o1_mf_nnndf_TAG20160504T210121_%u_.bkp"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 5
Additional information: 9


although the file system is presented in /etc/filesystems file.

/dbfra:
        dev             = "/dbfra"
        vfs             = nfs
        nodename        = 10.149.90.205
        mount           = true
        options         = bg,soft,intr,rsize=32768,wsize=32768,proto=tcp,sec=sys
        account         = false



resolved by add below parameter to pfile.

echo 'event="10298 trace name context forever, level 32"'  >>initBBBB.ora