powerHA 6.1 所需安装的fileset？

在测试环境中按PowerHA 6.1安装文档安装了PowerHA所需的cluster.es.client, cluster.es.server, and cluster.es.cspoc包，
运行lslpp -l|grep cluster显示结果如下：
bos.cluster.rte 6.1.6.1 COMMITTED Cluster Aware AIX
bos.cluster.solid 6.1.6.1 COMMITTED POWER HA Business Resiliency
cluster.es.client.clcomd 6.1.0.0 COMMITTED ES Cluster Communication
cluster.es.client.lib 6.1.0.0 COMMITTED ES Client Libraries
cluster.es.client.rte 6.1.0.0 COMMITTED ES Client Runtime
cluster.es.client.utils 6.1.0.0 COMMITTED ES Client Utilities
cluster.es.client.wsm 6.1.0.0 COMMITTED Web based Smit
cluster.es.cspoc.cmds 6.1.0.0 COMMITTED ES CSPOC Commands
cluster.es.cspoc.dsh 6.1.0.0 COMMITTED ES CSPOC dsh
cluster.es.cspoc.rte 6.1.0.0 COMMITTED ES CSPOC Runtime Commands
cluster.es.server.cfgast 6.1.0.0 COMMITTED ES Two-Node Configuration
cluster.es.server.diag 6.1.0.0 COMMITTED ES Server Diags
cluster.es.server.events 6.1.0.0 COMMITTED ES Server Events
cluster.es.server.rte 6.1.0.0 COMMITTED ES Base Server Runtime
cluster.es.server.testtool
cluster.es.server.utils 6.1.0.0 COMMITTED ES Server Utilities
cluster.msg.en_US.cspoc 6.1.0.0 COMMITTED HACMP CSPOC Messages - U.S.
cluster.msg.en_US.es.client
cluster.msg.en_US.es.server
bos.cluster.rte 6.1.6.1 COMMITTED Cluster Aware AIX
bos.cluster.solid 6.1.6.1 COMMITTED POWER HA Business Resiliency
cluster.es.client.clcomd 6.1.0.0 COMMITTED ES Cluster Communication
cluster.es.client.lib 6.1.0.0 COMMITTED ES Client Libraries
cluster.es.client.rte 6.1.0.0 COMMITTED ES Client Runtime
cluster.es.client.wsm 6.1.0.0 COMMITTED Web based Smit
cluster.es.cspoc.rte 6.1.0.0 COMMITTED ES CSPOC Runtime Commands
cluster.es.server.diag 6.1.0.0 COMMITTED ES Server Diags
cluster.es.server.events 6.1.0.0 COMMITTED ES Server Events
cluster.es.server.rte 6.1.0.0 COMMITTED ES Base Server Runtime
cluster.es.server.utils 6.1.0.0 COMMITTED ES Server Utilities
发现与正式环境相比，少了一个
mcr.rte 6.1.7.0 COMMITTED Metacluster Checkpoint and
请问一下，这个mcr.rte是做什么的？是必须的吗？要怎么样才能安装上？