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## 3.4 Installing the VM Recovery Manager HA solution 

The VM Recovery Manager HA solution provides HA management for IBM Power Systems servers with PowerVM virtualization. After you plan the implementation of the VM Recovery Manager HA solution, you can install the VM Recovery Manager HA software. The VM Recovery Manager HA solution uses other subsystems such as HMC and VIOSs that must exist in your production environment. 

The VM Recovery Manager HA software can be enabled when you have the following subsystems in your production environment: 

GLYPH<SM590000> VIOS Version 3.1.0.1 or later must be installed on all VIOS partitions that are part of the host group. Host Monitor (HM), which is a key component of the VM Recovery Manager HA solution, is installed on the VIOS by default. The HM component is enabled and used when you install the VM Recovery Manager HA filesets. The VM Recovery Manager HA solution requires two VIOS per host. 

GLYPH<SM590000> HMC V9 R 9.1.0 or later must be used to manage all hosts that are part of the cluster. 

Figure 3-4 shows the components of VM Recovery Manager HA. 

<img src='content_image/1013060.jpg'>

