Database - RAC/Scalability (MOSC)

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19c RAC on X8 : What happens to a session when rebooting a db node ?

in Database - RAC/Scalability (MOSC) 3 commentsAnswered ✓

Hi ,

As part of the OS patching of our Exadata X8 hosting 19c databases in RAC
db nodes must reboot one by one while ensuring high availability.
My question is:
If a db node dbn1 needs to reboot and on this db node there is a session performing several serial transactions (insert, update, delete) in progress,
what happens ? Transactions will be lost ? Or replayed on the 2nd db node dbn2 still available ?

Is a cut-off felt by the user ?

Thanks
DG

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