In this blog post, you’ll learn more about the Sybase Error Cannot create/add DAS mirror to an existing DAS dbspace mirror. %1 and the reason for receiving this error
Sybase SQL Error Message
Cannot create/add DAS mirror to an existing DAS dbspace mirror. %1
Reason for this Error
Adding a DAS mirror to an existing DAS mirror is not allowed. Mirrors can only be add to a primary DAS dbspace file.