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Standard Edition High Availability(SEHA) FAQ (Doc ID 2895233.1)

Last updated on SEPTEMBER 05, 2023

Applies to:

Oracle Database - Standard Edition - Version and later
Information in this document applies to any platform.


The purpose of this note is to supplement the SEHA information available in Standard Edition 19.7 and above.

Questions and Answers

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In this Document
Questions and Answers
 1: Can I use WSFC in an environment where SEHA is configured?
 2: Can I manage third-party features such as HULFT, IIS FTP, and Windows folder sharing in a SEHA configuration environment?
 3: Does SEHA have connect-time failover and Transparent Application Failover capabilities?
 4: When database is down in SEHA environment, is it failed over to the wait node. Is the downtime only due to DB failover?
 5. Can I back up SEHA online?
 6. Will SEHA require more downtime than RAC for node failures?
 7. Where is the documentation and documentation about SEHA?
 8. SEHA supported on virtualized environments Hyper-V?
 9. In a SEHA configuration, are there any restrictions on disabling UAC?
 10. Are there any special restrictions on the number of characters or characters available in the listener name in a SEHA environment?
 11. What port number does the network heartbeat use in a SEHA configuration?
 12. Does the MGMT disk group store GIMR and Oracle Clusterware backup files?
 13. In a SEHA configuration, is a GIMR or MGMT disk group mandatory?
 14. Where is the documentation that explains the limitations of OracleSEHA configuration?
 15. When the size of disk group used for a MGMTDB increases?
 16. What is the effect if the free diskgroup used for MGMTDB is exhausted?
 17. Does the SEHA configuration also limit the number of CPU threads available to 16?
 18. Is it allow to use ACTION_SCRIPT with SEHA?
 19. Can I configure SEHA on 3 nodes?
 Supported version

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