We will now create a pool that we will use for cache tiering:
- Create a new pool with the name cache-pool and set crush_ruleset as 1 so that the new pool gets created on SSD disks:
# ceph osd pool create cache-pool 16 16 # ceph osd pool set cache-pool crush_ruleset 1
This is shown in the following screenshot:
- Make sure that your pool is created correctly, which means that it should always store all the objects on osd.0, osd.3, and osd.6.
- List the cache-pool for contents; since it's a new pool, it should not have any content:
# rados -p cache-pool ls
- Add a temporary object to the cache-pool to make sure it's storing the ...