Veritas Storage Foundation™ for Oracle 5.0.1 Administrator's Guide

For example:
# /opt/VRTS/bin/vxtunefs /db01
The vxtunefs command displays output similar to the following:
Filesystem i/o parameters for /db01
read_pref_io = 2097152
read_nstream = 1
read_unit_io = 2097152
write_pref_io = 2097152
write_nstream = 1
write_unit_io = 2097152
pref_strength = 10
buf_breakup_size = 2097152
discovered_direct_iosz = 262144
max_direct_iosz = 1048576
default_indir_size = 8192
qio_cache_enable = 1
write_throttle = 0
max_diskq = 33554432
initial_extent_size = 8
max_seqio_extent_size = 2048
max_buf_data_size = 8192
hsm_write_prealloc = 0
read_ahead = 1
inode_aging_size = 0
inode_aging_count = 0
fcl_maxalloc = 222425088
fcl_keeptime = 0
fcl_winterval = 3600
fcl_ointerval = 600
oltp_load = 0
The vxtunefs(1) manual pages contain a complete description of vxtunefs
parameters and the tuning instructions.
See the vxtunefs(1) manual page.
Determining candidates for Cached Quick I/O
Determining which files can benefit from Cached Quick I/O is an iterative process
that varies with each application. For this reason, you may need to complete the
107Using Veritas Cached Quick I/O
Determining candidates for Cached Quick I/O