Solution : https://service.sap.com/sap/support/notes/368890 (SAP Service marketplace login required)
Key words :
terms asynchronous iomultiple database writersdisk_async_iotape_async_iodb_writer_processesdbwr_io_slaves reason, multiple database writers, asynchronous io supported, user level threads, ora parameter _tru64_directio_disabled, _tru64_directio_disabled=truethis applies, caused performance problems, file system access, unix buffer cache, os releases higher
Related Notes :
| 394018 | Oracle & Direct IO on Tru64 UNIX V5.X |
| 362060 | Current patch set for Oracle 8.1.7 |