ceph集群状态行为干预

• ceph osd set [flag]
• ceph osd unset [flag]

flag

• noin： Prevents OSDs from being treated as in the cluster.
• noout： Prevents OSDs from being treated as out of the cluster.
• noup： Prevents OSDs from being treated as up and running.
• nodown： Prevents OSDs from being treated as down.
• full： Makes a cluster appear to have reached its full_ratio, and thereby prevents write operations.
• pause： Ceph will stop processing read and write operations, but will not affect OSD in, out, up or down statuses.
• nobackfil： Ceph will prevent new backfill operations.
• norebalance： Ceph will prevent new rebalancing operations.
• norecover： Ceph will prevent new recovery operations.
• noscrub： Ceph will prevent new scrubbing operations.
• nodeep-scrub： Ceph will prevent new deep scrubbing operations.*
• notieragent： Ceph will disable the process that is looking for cold/dirty objects to flush and evict.