Increased Waits for 'log file sync' and 'LGWR wait for redo copy' Following Failover with MTTR Advisory set to ON
Last updated on SEPTEMBER 19, 2016
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
- Following failover to identical hardware, there is an increase in "log file sync" and "LGWR wait for redo copy"
- MTTR Advisory is set to the ON state.
- Alert log shows log file sync scheduling delay:
The host crashed due to a hardware issue and failed over to another cluster. MTTR Advisory is switched from READY to the ON state.
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