文档解释 ORA-15278: external redundancy diskgroup requires at least one regular disk Cause: An attempt was made to create an external redundancy dis……

文档解释 ORA-15491: volume redundancy conflicts with disk region options Cause: Non-mirrored volumes erroneously contained the MIRRORHOT or MIRRORCO……

文档解释 ORA-15471: volume redundancy incompatible with diskgroup redundancy Cause: An ADD VOLUME command specified a volume redundancy that was inc……