Slow I/O On HP Unix
(Doc ID 457063.1)
Last updated on MARCH 03, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 8.1.7.0 and laterHP-UX PA-RISC (32-bit)
HP OpenVMS Alpha
HP-UX Itanium
HP Tru64 UNIX
HP-UX PA-RISC (64-bit)
HP OpenVMS VAX
Symptoms
Disk utility output shows 100% usage for disk continously:
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| 1. Use the O/S striping software |
| 2. Use Direct IO |
| mincache and convosync |
| Parameters in Oracle influencing the use of Direct IO |
| 3. Concurrent I/O |
| "-o cio" |
| References |