Dear folks,
I had a strange situation with 3-node Ceph cluster on Luminous 12.2.12 with bluestore. Each machine has 5 OSDs on HDD, and each OSD uses a 30GB DB/WAL partition on SSD. At the beginning without much data, OSDs can quickly up if one node restarts.
Then I ran 4-day long stress tests with vdbench, and then I restarts one node, and to my surprise, OSDs on that node takes ca 15 minutes to turn into up state. How can i speed up the OSD UP process ?
thanks,
Samuel
huxiaoyu@xxxxxxxxxxxx
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