On Sat, Jan 6, 2024 at 12:02 AM Peter <petersun@raksmart.com> wrote:

Thanks for ressponse! Yes, it is in use

"watcher=10.1.254.51:0/1544956346 client.39553300 cookie=140244238214096" this is indicating the client is connect the image. I am using fio perform write task on it.

I guess it is the feature not enable correctly or setting somewhere incorrect. Should I restart any process after modifying Ceph config?

Any thought?

You haven't answered my question on versions. Given "rbd: invalid config key: ..." errors, it's very plausible that the cache is not enabled correctly or even not supported at all. Thanks, Ilya