Known Open Source Issues
On openEuler 20.03 LTS SP1, CentOS 8.1, and Ubuntu 18.04, Ceph 14.2.8 may have a clock rollback fault, causing Ceph Monitor Down. See the following figure:

This fault is caused by a bug with the kernel clock. Consequently, the results obtained by calling get_time twice are not monotonically increasing.

Then an assert error in the monitor occurs:

Currently, this bug has been fixed by the author and incorporated into the master branch, but it has not eliminated in the N version.
Parent topic: Feature Description