Managing hosts
As a storage administrator, you can enable or disable maintenance mode for a host in the IBM Storage Ceph Dashboard. The maintenance mode ensures that shutting down the host, to perform maintenance activities, does not harm the cluster.
In addition to removing hosts, you can also remove hosts using Start Drain and Remove options in the IBM Storage Ceph Dashboard.
Prerequisites
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A running IBM Storage Ceph cluster.
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Dashboard is installed.
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Hosts, Ceph Monitors, and Ceph Manager Daemons are added to the storage cluster.