Managing NFS and KRPC Kernel Configurations in HP-UX 11i v3 (762807-001, March 2014)

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