Haven’t do any fio test for single disk , but did fio for the ceph cluster, actually the cluster has 12 nodes, and each node has same disks(means, 2 nvmes for cache, and 3 ssds as osd, 4 hdds also as osd). Only two nodes has such problem. And these two nodes are crash many times(at least 4 times). The others are good. So it strange. This cluster has run more than half years. Thanks, zx
在 2021年2月22日，下午6:37，Marc <Marc@f1-outsourcing.eu> 写道：
Don't you have problems, just because the Samsung 970 PRO is not suitable for this? Have you run fio tests to make sure it would work ok?
https://yourcmc.ru/wiki/Ceph_performance https://docs.google.com/spreadsheets/d/1E9-eXjzsKboiCCX-0u0r5fAjjufLKayaut_F...
-----Original Message----- Sent: 22 February 2021 03:16 users@ceph.io> Subject: [ceph-users] Re: Ceph nvme timeout and then aborting
Thanks for you reply!
Yes, it a Nvme, and on node has two Nvmes as db/wal, one for ssd(0-2) and another for hdd(3-6). I have no spare to try. It’s very strange, the load not very high at that time. and both ssd and nvme seems healthy.
If cannot fix it. I am afraid I need to setup more nodes and set out remove these OSDs which using this Nvme?
Thanks, zx
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