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Don Burleson Blog 







Oracle 11.2 new v$ dnfs views

Oracle Database Tips by Donald BurlesonFebruary 11, 2015

Oracle release 11.2 has introduced nee dnfs (direct NFS or Direct Network File System) for information about process connections to NFS filesystems.

v$dnfs_channels:  The channels dedicated to each direct NFS mount

v$dnfs_files:  This displays all process files that are opened through direct NFS.

v$dnfs_servers:  These are the NFAS servers connected via direct NFS and includes information on server name (hostname) mount point and directory name.

v$dnfs_stats:  Here are the Direct BFS stats columns kept for each AWR snapshot:

pnum              Oracle process number that statistics are relevant to
nfs_null            Null
nfs_getattr        Get attributes
nfs_setattr        Set attributes
nfs_lookup       Lookup object
nfs_access       Access object
nfs_readlink     Read link
nfs_read           Read file
nfs_write          Write file
nfs_create        Create file
nfs_mkdir         Make directory
nfs_symlink     Symbolic link
nfs_mknod       Make node
nfs_remove      Remove file
nfs_rmdir         Remove directory
nfs_rename      Rename
nfs_link            Link
nfs_readdir       Read directory
nfs_readdirplus Read directory plus
nfs_fsstat         File system status
nfs_fsinfo         File system information
nfs_pathconf    Path configuration
nfs_commit      Commit





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