V$sql_monitor Has No Data
(Doc ID 2354130.1)
Last updated on MARCH 03, 2022
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- On 11.2.0.4 , not able to see real time SQL monitoring using v$sql_monitor:
- The environement was switched to standby on another server and then switched back again to this server
- On standby SQL monitor has works fine, but on primary which had the storage firmware upgraded, the v$sql_monitor is empty and monitoring SQL real time is not possible
- Database restart did not help.
Changes
Customer upgraded storage firmware and attached more disk tray.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |