During instance startup, MirrorMember specifies a nonsharded instance’s role when it joins a mirror. MirrorMember should be one of the following values:
primary — the primary failover member.
backup — the backup failover member.
drasync — a DR async member.
Using This Parameter
In conjunction with other parameters, MirrorMember can be used to deploy mirrored stand-alone instances and distributed cache cluster data servers using the configuration merge feature.
For an existing instance, changes to this parameter would typically be made by changing the mirror’s configurationOpens in a new tab.
ArbiterURL, to identify the arbiter used by the mirror the instance is a member of.
MirrorPrimary, to specify the host of the mirror primary, if the instance is joining as a backup or DR async.
MirrorSetName, to specify the name of the mirror the instance is creating or joining.
MirrorSSLDir, to identify the location of the instance’s mirror SSL configuration.