OEM Chart Shows Bad IO Response Time Not Corroborated by Operating System Statistics
(Doc ID 2215352.1)
Last updated on JULY 29, 2021
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Upon review of OEM Charts for bad IO response time as well as underlying views: GV$ASM_DISKGROUP_STAT / GV$ASM_DISK_STAT, it is clear that those values do not correlate to the same data as reported by AIX Unix IO data such as iostat, sar etc. In short, reported OEM statistics are not corroborated at DB and/or OS level.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |