Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

Note: To verify caching, always check the setting of the flag qio_cache_enable
using vxtunefs, along with the individual cache advisories for each file.
To display the current cache advisory settings for a file
◆
Use the qioadmin command with the -P option as follows:
$ /opt/VRTS/bin/qioadmin -P filename /mount_point
For example, to display the current cache advisory setting for the file dbfilein
the /db01file system:
$ /opt/VRTS/bin/qioadmin -P dbfile /db01
dbfile,OFF
87Improving DB2 database performance with Veritas Cached Quick I/O
Enabling and disabling Cached Quick I/O for individual files