New database in Mirror

Question

Oliver Wilms · May 19, 2020

#High Availability #InterSystems IRIS for Health

If I set up a Mirror and add a new database to the mirror, do I need to create the new database on every single member of the mirror or will it automatically appear on Mirror members? How about HSCUSTOM database, which already got created when installing IRIS?

Discussion (1)2

Oliver Wilms · May 19, 2020

Only a local database on the current primary failover member can be added to a mirror; it is added on the primary first,
then on the backup, and then on any desired async members. All mirrored databases must be journaled.
You must add the same set of mirrored databases to both the primary and backup failover members, as well as to any DR
async members.

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