IBM HyperSwap and Multi-site HA/DR for IBM FlashSystem A9000 and A9000R

Multi-site scenarios

This chapter describes failure scenarios and recovery steps (failback). The following topics are covered:

•7.1, “Failure and recovery of the storage system that is serving the primary volume or CG” on page 126

•7.2, “Primary volume or CG loses target” on page 139

•7.3, “DR test at secondary volume site” on page 143

•7.4, “Primary and Secondary volume or CG failure” on page 146

•7.5, “Quorum Witness failures” on page 156

7.1 Failure and recovery of the storage system that is serving the primary volume or CG

This section describes ...