Thanks for your advice
I rebuilt the osd and haven't have this happened again.So it could be
corruption on the hdds.
2018-01-11
lin.yunfan
发件人：Konstantin Shalygin
发送时间：2018-01-09 12:11
主题：Re: [ceph-users] Bad crc causing osd hang and block all request.
收件人："ceph-users"
抄送
What could cause this problem?Is this caused by a faulty HDD?
what data's crc didn't match ?
This may be caused due faulty drive. Check your dmesg.
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Hi lists,
ceph version:luminous 12.2.2
The cluster was doing writing thoughput test when this problem happened.
The cluster health became error
Health check update: 27 stuck requests are blocked > 4096 sec (REQUEST_STUCK)
Clients can't write any data into cluster.
osd22 and osd40 are the osds wh
