HP JFS 3.3 and HP OnLineJFS 3.3 VERITAS File System 3.3 System Administrator's Guide

34 Chapter1
The VxFS File System
Extended mount Options
applications.
The default datainlog option to mount greatly improves the
performance of small synchronous writes.
The convosync=dsync option to mount improves the performance of
applications that require synchronous data writes but not synchronous
inode time updates.
NOTE The use of the convosync=dsync option violates POSIX semantics.
NOTE The datainlog and convosync options are available only with the
optional HP OnLineJFS product.