Tuesday, September 22, 2020

RMAN-04022: target database mount id % does not match channel's mount id %

Symptom:

  When we run rman target / and run  "crosscheck archivelog all", we hit an error

RMAN-04022: target database mount id ****  does not match channel's mount id ***

Solution:

   It is quite possible the DB is duplicated with rman. The default channel is still on the old one which is not the current DB. To specifically allocate a disk channel to fix it

run

{

allocate channel disk1 device type disk;

crosscheck archivelog all;

}

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