# Intro

The reference to these commands is from Sébastien Han Blog Post “Ceph: validate that the RBD cache is active” and the rbd man Page. For more posts about Ceph, take a look at Sébastien Han Blog.

# Requisite - RBD image for running the Benchmarks

To be able to run a rbd benchmark, you need to create an image. The command to create an image for this would be:

## Notes

• To use random IO instead of sequential IO pattern, change the --io-pattern flag value to rand.

Have Fun!