MIRROR configuration parameter

Use the MIRROR configuration parameter to enable or disable mirroring for the database server.

onconfig.std value
MIRROR 0
values
0 = Disable mirroring

1 = Enable mirroring

takes effect
After you edit your onconfig file and restart the database server.

Usage

It is recommended that you mirror the root dbspaces and the critical data as part of initialization. Otherwise, leave mirroring disabled. If you later decide to add mirroring, you can edit your configuration file to change the parameter value.

You do not have to set the MIRROR configuration parameter to the same value on both database servers in the high-availability data-replication pair. You can enable or disable mirroring on either the primary or the secondary database server independently. Do not set the MIRROR configuration parameter to 1 unless you are using mirroring.


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