Figure 2-2 through Figure 2-4 show paired volume configuration examples when Real Time SAN Replication is used on a HiRDB/Single Server.

Items common to Figures 2-2 through 2-4

• HiRDB identifier: HRD1
• Unit identifier: UNT1
• Server name: sds1
• MASTER: Master directory RDAREA
• DDIC: Data dictionary RDAREA
• DDIR: Data directory RDAREA
• USER: User RDAREA
• LOG_nx: System log file
  n: Indicates a generation between 1 and 6. x: A and B indicate system A and system B files, respectively.
  
• SPD_nx: Synchronization point dump file
  n: Indicates a generation between 1 and 6. x: A and B indicate system A and system B files, respectively.
  
• USTS_nx: Unit status files
  n: Indicates a generation between 1 and 6. x: A and B indicate system A and system B files, respectively.
  
• SSTS_nx: Server status files
  n: Indicates a generation between 1 and 6. x: A and B indicate system A and system B files, respectively.
  
• LUnn: Pair volume name
  n: A number (1 through 16) indicating that paired volume names having the same number are formed into a paired volume.
  
• The meanings of the items in the figure are as follows:
  

  

  Figure 2-2 Paired volume configuration example (all synchronous method)

  

  Figure 2-3 Paired volume configuration example (all asynchronous method)

  

  Figure 2-4 Paired volume configuration example (hybrid method)