Issue : ORA-00600: internal error code, arguments: [kzckmumkm: input mkm size] TDE keystore backup 12.2
Cause :
The issue happens where there is an Incorrect AUTO_LOGIN wallet already present there, thus the Backup of the current keystore fails.
Solution :
Recreating the AUTO_LOGIN keystore again and backing up the keystore then.
SQL> ADMINISTER KEY MANAGEMENT BACKUP KEYSTORE USING 'ORACDB4' FORCE KEYSTORE IDENTIFIED BY EXTERNAL STORE TO '+RECOC1/ORACDB4/KEYSTORE/';
Keystore Altered.
Cause :
The issue happens where there is an Incorrect AUTO_LOGIN wallet already present there, thus the Backup of the current keystore fails.
Solution :
Recreating the AUTO_LOGIN keystore again and backing up the keystore then.
SQL> ADMINISTER KEY MANAGEMENT BACKUP KEYSTORE USING 'ORACDB4' FORCE KEYSTORE IDENTIFIED BY EXTERNAL STORE TO '+RECOC1/ORACDB4/KEYSTORE/';
Keystore Altered.