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UCS B-Series Chassis

          CUCM  CUCM  CUCM CUCM CUCM                                                                 CUCM  CUCM  CUCM  CUCM  CUCM
                CUCM                                                                                       CUCM  CUCM  CUCM  CUCM
1 CUCM          CUCM                                        CUCM        High Availability  2 CUCM          CUCM  CUCM  CUCM  CUCM  High Availability
          CUCM  CUCM                                        CUCM          Reservation                CUCM  CUCM  CUCM  CUCM  CUCM    Reservation
          CUCM        Blade FailureCUCM                                                              CUCM
          CUCM  CUCM                                                                                       CUCM  CUCM  CUCM  CUCM  High Availability
                CUCM  CUCM                                                                           CUCM  CUCM  CUCM  CUCM  CUCM    Reservation
3 CUCM          CUCM                                              CUCM                                     CUCM  CUCM  CUCM  CUCM
          CUCM  CUCM                                              CUCM                     4 CUCM          CUCM  CUCM  CUCM  CUCM  High Availability
          CUCM                                                                                       CUCM                            Reservation
          CUCM  CUCM  CUCM CUCM CUCM                                                                 CUCM  CUCM  CUCM  CUCM  CUCM
                CUCM                                                                                       CUCM  CUCM  CUCM  CUCM
5 CUCM          CUCM  CUCM                                  CUCM  CUCM  High Availability            CUCM  CUCM  CUCM  CUCM  CUCM
          CUCM  CUCM  CUCM                                  CUCM  CUCM    Reservation                      CUCM  CUCM  CUCM  CUCM
          CUCM        CUCM                                  CUCM  CUCM                     6 CUCM
                      CUCM                                  CUCM  CUCM                               CUCM
7                                                                                                    CUCM
                      CUCM                                  CUCM  CUCM  High Availability
                      CUCM                                  CUCM  CUCM    Reservation
                      CUCM                                  CUCM  CUCM
                      CUCM                                  CUCM  CUCM

                Other Applications / Spare Blade                                           8               Other Applications / Spare Blade

 Each blade (1-6) belongs to the same VMware HA Cluster
 Each blade has a HA reservation setup to absorb application relocations
 Each blade in the HA cluster has similar performance profiles
 Upon blade failure, applications are reassigned compute resources

        ‒ Manually or Automatically
        ‒ Applications must boot after compute resource assignment

29© 2012 Cisco and/or its affiliates. All rights reserved.                                                                                   Cisco Confidential  29
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