Everyone a great god, and the recent need to test the ceph snapshot rollback corresponding rest - API interface, but there is no official provided, so you need to print is added to the source code, and then in a deployed environment rollback command, check the source invokes the method in the process of execution process, but I found after modify the source code, the generated binary file once to replace the original host/usr/bin directory of the binary file, osd will be down, would you please tell me what the solution to this?