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

2 Managing Kernel Tunables Using Kctune
2.1 NFS Client Tunables
Table 2.1-1 lists the NFS client tunables. The last column specifies which ONCplus version first
introduced the tunable.
Table 2.1-1 NFS Client Tunables
Kctune Tunable Name Range Default
value
Units ONCplus
Version
nfs_async_timeout
0 to MAXINT 6000 Milliseconds B.11.31_LR
nfs_disable_rddir_cache
0 or 1 0 Boolean B.11.31_LR
nfs_enable_write_behind
0 or 1 0 Boolean B.11.31_LR
nfs_nacache
0 to MAXINT 0 Hash Queues B.11.31_LR
nfs_nrnode
0 to MAXINT 0 Entries B.11.31_LR
nfs_write_error_interval
0 to MAXINT 5 Seconds B.11.31_LR
nfs_write_error_to_cons_only
0 or 1 0 Boolean B.11.31_LR
nfs2_async_clusters
1 to MAXINT 1 Requests B.11.31_LR
nfs2_bsize
8192 to MAXINT
(The value must be a
power of 2.)
8192 Bytes B.11.31_LR
nfs2_cots_timeo
0 to MAXINT 600 Tenths of a
second
B.11.31_LR
nfs2_do_symlink_cache
0 or 1 1 Boolean B.11.31_LR
nfs2_dynamic
0 or 1 1 Boolean B.11.31_LR
nfs2_lookup_neg_cache
0 or 1 1 Boolean B.11.31_LR
nfs2_max_threads
0 to nkthread/5 8 Threads B.11.31_LR
nfs2_nra
0 to MAXINT 4 Requests B.11.31_LR
nfs2_shrinkreaddir
0 or 1 0 Boolean B.11.31_LR
nfs3_async_clusters
0 to MAXINT 1 Requests B.11.31_LR
nfs3_bsize
4096 to MAXINT
(The value must be a
power of 2.)
32768 Bytes B.11.31_LR
nfs3_cots_timeo
10 to MAXINT 600 Tenths of a
second
B.11.31_LR
nfs3_do_symlink_cache
0 or 1 1 Boolean B.11.31_LR
nfs3_dynamic
0 or 1 0 Boolean B.11.31_LR
nfs3_enable_async_directio_read
0 or 1 0 Boolean B.11.31_08
nfs3_enable_async_directio_write
0 or 1 0 Boolean B.11.31_08
nfs3_jukebox_delay
100 to MAXINT 1000 Seconds B.11.31_LR
nfs3_lookup_neg_cache
0 or 1 1 Boolean B.11.31_LR
nfs3_max_async_directio_requests
8 to 64 8 Boolean B.11.31_08
nfs3_max_threads
0 to nkthread/5 8 Threads B.11.31_LR
nfs3_max_transfer_size
4096 to MAXINT 1048576 Bytes B.11.31_LR
nfs3_max_transfer_size_clts
4096 to MAXINT 32768 Bytes B.11.31_LR
nfs3_max_transfer_size_cots
4096 to MAXINT 1048576 Bytes B.11.31_LR