n is a string with a maximum length of 32 characters.
SystemName is the name for the failover member you are configuring on this instance. This defaults to a combination of the system host name and the InterSystems IRIS® data platform instance name.
Mirror member names are converted to uppercase before storing. They cannot contain spaces, tabs, or the any of following characters
: [ ] # ; / * = ^ ~ ,
Changing This Parameter
On any of the Create a Mirror, Join as Failover, or Join as Async pages of the Management Portal (System Administration > Configuration > Mirror Settings), enter the Mirror Member Name.
Instead of using the Management Portal, you can change SystemName in the Config.MirrorMemberOpens in a new tab class (as described in the class reference) or by editing the CPF in a text editor (as described in the Editing the Active CPF section of the “Introduction to the Configuration Parameter File” chapter in this book).