CEPH - health HEALTH_WARN crush map has legacy tunables (require bobtail, min is firefly)
當用以下cmd查詢ceph的健康狀態時。
$ ceph -s
cluster 6462f5bb-f440-445c-a5ff-e77a7ca38ed6
health HEALTH_WARN
crush map has legacy tunables (require bobtail, min is firefly)
monmap e1: 1 mons at {ceph-mon=192.168.100.2:6789/0}
election epoch 1, quorum 0 ceph-mon
osdmap e79: 3 osds: 3 up, 3 in
pgmap v172285: 1080 pgs, 15 pools, 43160 kB data, 350 objects
280 MB used, 8901 MB / 9182 MB avail
1080 active+clean
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# 可以嘗試下列指令,恩為可能無法map device,更動過crush演算法。
$ ceph osd crush tunables firefly
$ ceph osd crush tunables default
$ ceph osd crush tunables optimal
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