DB6: How to deactivate file system caching in V9.5
[91 v9.5] [buffered] [caching] [cio] [deactivate] [dio] [file] [I/O] [skydriverxp v9.5] [system] [v9.5]
Symptom
You want to deactivate file system buffered I/O on DB2 objects.
Other terms
file system caching, file system buffered I/O, dio, cio
Reason and Prerequisites
DB2 has own buffer pools in memory. When file system buffered I/O is used for table spaces, a page might be buffered on both DB2 buffer and OS file system buffer. Duplicate [...]