检查 MetroCluster 配置

可以检查 MetroCluster 配置中的组件和关系是否正常工作。应该在初始配置之后以及对 MetroCluster 配置进行任何更改后进行检查，还应该在协商（计划内）切换或切回操作之前进行检查。

如果在一个或两个集群上短时间内发出两次 metrocluster check run 命令，可能会发生冲突，该命令可能无法收集所有数据。后续的 metrocluster check show 命令不会显示预期的输出。

检查配置：metrocluster check run

该命令作为后台作业运行，可能不会立即完成。

cluster_A::> metrocluster check show
Last Checked On: 9/13/2017 20:41:37

Component           Result
------------------- ---------
nodes               ok
lifs                ok
config-replication  ok
aggregates          ok
clusters            ok
5 entries were displayed.

显示最近一次 metrocluster check run 命令的更详细结果：metrocluster check aggregate show metrocluster check cluster show metrocluster check config-replication show metrocluster check lif show metrocluster check node show

metrocluster check show 命令显示最近一次 metrocluster check run 命令的结果。在使用 metrocluster check show 命令之前，应始终运行 metrocluster check run 命令，使显示的信息是最新信息。

以下示例显示了正常运行的四节点 MetroCluster 配置的 metrocluster check aggregate show 命令输出：

cluster_A::> metrocluster check aggregate show

Last Checked On: 8/5/2014 00:42:58 

Node                  Aggregate                  Check                      Result
---------------       --------------------       ---------------------      ---------
controller_A_1        controller_A_1_aggr0
                                                 mirroring-status           ok
                                                 disk-pool-allocation       ok
                                                 ownership-state            ok
                      controller_A_1_aggr1
                                                 mirroring-status           ok
                                                 disk-pool-allocation       ok
                                                 ownership-state            ok
                      controller_A_1_aggr2
                                                 mirroring-status           ok
                                                 disk-pool-allocation       ok
                                                 ownership-state            ok

                                            
controller_A_2        controller_A_2_aggr0
                                                 mirroring-status           ok
                                                 disk-pool-allocation       ok
                                                 ownership-state            ok
                      controller_A_2_aggr1
                                                 mirroring-status           ok
                                                 disk-pool-allocation       ok
                                                 ownership-state            ok
                      controller_A_2_aggr2
                                                 mirroring-status           ok
                                                 disk-pool-allocation       ok
                                                 ownership-state            ok

18 entries were displayed.

以下示例显示了正常运行的四节点 MetroCluster 配置的 metrocluster check cluster show 命令输出。表明集群已准备好在必要时执行协商切换。

Last Checked On: 9/13/2017 20:47:04

Cluster               Check                           Result
--------------------- ------------------------------- ---------
mccint-fas9000-0102
                      negotiated-switchover-ready     not-applicable
                      switchback-ready                not-applicable
                      job-schedules                   ok
                      licenses                        ok
                      periodic-check-enabled          ok
mccint-fas9000-0304
                      negotiated-switchover-ready     not-applicable
                      switchback-ready                not-applicable
                      job-schedules                   ok
                      licenses                        ok
                      periodic-check-enabled          ok
10 entries were displayed.

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