3377
MySQLERRORNotableInnoDB / TablespacesHIGH confidence
Tablespace cannot be encrypted
Production Risk
Low — DDL fails; no change to the tablespace.
How to reproduce
trigger — this will error
trigger — this will error
ALTER TABLESPACE innodb_system ENCRYPTION='Y';
expected output
ERROR 3377 (HY000): This tablespace cannot be encrypted.
Fix
Enable system tablespace encryption at startup
Enable system tablespace encryption at startup
-- Add to my.cnf: innodb_sys_tablespace_encrypt=ON
Why this works
System tablespace encryption is a server startup option, not a runtime DDL operation.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3377 ER_TABLESPACE_CANNOT_BE_ENCRYPTED
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