Managing NFS and KRPC Kernel Configuration in HP-UX11i v3 (March 2013)

1 Introduction ...................................................................................................................................... 4
2 Managing Kernel Tunables Using Kctune ............................................................................................. 5
2.1 NFS Client Tunables ................................................................................................................... 5
2.1.1 nfs_async_timeout................................................................................................................ 6
2.1.2 nfs_disable_rddir_cache ....................................................................................................... 7
2.1.3 nfs_enable_write_behind ...................................................................................................... 8
2.1.4 nfs_nacache ....................................................................................................................... 8
2.1.5 nfs_nrnode ......................................................................................................................... 9
2.1.6 nfs_write_error_interval ........................................................................................................ 9
2.1.7 nfs_write_error_to_cons_only .............................................................................................. 10
2.1.8 nfs2_async_clusters............................................................................................................ 10
2.1.9 nfs2_bsize ........................................................................................................................ 11
2.1.10 nfs2_cots_timeo ............................................................................................................... 12
2.1.11 nfs2_do_symlink_cache .................................................................................................... 13
2.1.12 nfs2_dynamic ................................................................................................................. 14
2.1.13 nfs2_lookup_neg_cache ................................................................................................... 14
2.1.14 nfs2_max_threads ........................................................................................................... 15
2.1.15 nfs2_nra ......................................................................................................................... 15
2.1.16 nfs2_shrinkreaddir ........................................................................................................... 16
2.1.17 nfs3_async_clusters.......................................................................................................... 17
2.1.18 nfs3_bsize ...................................................................................................................... 18
2.1.19 nfs3_cots_timeo ............................................................................................................... 20
2.1.20 nfs3_do_symlink_cache .................................................................................................... 20
2.1.21 nfs3_dynamic ................................................................................................................. 21
2.1.22 nfs3_enable_async_directio_read ...................................................................................... 22
2.1.23 nfs3_enable_async_directio_write ..................................................................................... 22
2.1.24 nfs3_jukebox_delay ......................................................................................................... 23
2.1.25 nfs3_lookup_neg_cache ................................................................................................... 24
2.1.26 nfs3_max_async_directio_requests .................................................................................... 24
2.1.27 nfs3_max_threads ........................................................................................................... 25
2.1.28 nfs3_max_transfer_size .................................................................................................... 26
2.1.29 nfs3_max_transfer_size_clts .............................................................................................. 28
2.1.30 nfs3_max_transfer_size_cots ............................................................................................. 29
2.1.31 nfs3_nra ......................................................................................................................... 31
2.1.32 nfs3_pathconf_disable_cache ........................................................................................... 31
2.1.33 nfs4_async_clusters.......................................................................................................... 32
2.1.34 nfs4_bsize ...................................................................................................................... 33
2.1.35 nfs4_cots_timeo ............................................................................................................... 34
2.1.36 nfs4_do_symlink_cache .................................................................................................... 35
2.1.37 nfs4_lookup_neg_cache ................................................................................................... 36
Managing NFS and KRPC Kernel
Configurations in HP-UX 11i v3