Let's try to run some tests using the rados bench:
To run a 10 second write test to the pool RDB without cleanup, use the following command:
# rados bench -p rbd 10 write --no-cleanup
We get the following screenshot after executing the command:
You will notice my test actually ran for a total time of 17 seconds, this is due to running the test on VM's and extended time required to complete the write OPS for the test.
- Similarly, to run a 10 second sequential read test on the RBD pool, run the following: