Deployed Ussuri bundle with a Ceph cluster. dpkg -l | grep ceph ------------------- ii ceph 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 distributed storage and file system ii ceph-base 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 common ceph daemon libraries and management tools ii ceph-common 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 common utilities to mount and interact with a ceph storage cluster ii ceph-mds 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 metadata server for the ceph distributed file system ii ceph-mgr 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 manager for the ceph distributed file system ii ceph-mgr-modules-core 15.2.7-0ubuntu0.20.04.1~cloud0 all ceph manager modules which are always enabled ii ceph-mon 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 monitor server for the ceph storage system ii ceph-osd 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 OSD server for the ceph storage system ii libcephfs2 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 Ceph distributed file system client library ii python3-ceph-argparse 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 Python 3 utility libraries for Ceph CLI ii python3-ceph-common 15.2.7-0ubuntu0.20.04.1~cloud0 all Python 3 utility libraries for Ceph ii python3-cephfs 15.2.7-0ubuntu0.20.04.1~cloud0 amd64 Python 3 libraries for the Ceph libcephfs library ceph versions ------------- { "mon": { "ceph version 15.2.7 (88e41c6c49beb18add4fdb6b4326ca466d931db8) octopus (stable)": 1 }, "mgr": { "ceph version 15.2.7 (88e41c6c49beb18add4fdb6b4326ca466d931db8) octopus (stable)": 1 }, "osd": { "ceph version 15.2.7 (88e41c6c49beb18add4fdb6b4326ca466d931db8) octopus (stable)": 2 }, "mds": {}, "overall": { "ceph version 15.2.7 (88e41c6c49beb18add4fdb6b4326ca466d931db8) octopus (stable)": 4 } } ceph -s ------- cluster: id: b2057bcc-7566-11eb-aef9-fa163eafd8bf health: HEALTH_OK services: mon: 1 daemons, quorum juju-f0f46b-bionic-ussuri-0 (age 3m) mgr: juju-f0f46b-bionic-ussuri-0(active, since 3m) osd: 3 osds: 3 up (since 54s), 3 in (since 54s) data: pools: 2 pools, 95 pgs objects: 0 objects, 0 B usage: 3.0 GiB used, 27 GiB / 30 GiB avail pgs: 1.053% pgs not active 94 active+clean 1 clean+premerge+peered progress: PG autoscaler decreasing pool 2 PGs from 100 to 32 (0s) [............................] Enabled balancer and do I/O --------------------------- ceph mgr module enable balancer ceph balancer on ceph osd set-require-min-compat-client luminous ceph balancer mode upmap ceph balancer status ceph osd pool create test 128 128 rados bench -p test 10 write --no-cleanup for pg in 2.12 2.72 2.73 2.74 2.75 2.76 2.77; do ceph pg deep-scrub $pg done After installing new packages ============================ ii ceph 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 distributed storage and file system ii ceph-base 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 common ceph daemon libraries and management tools ii ceph-common 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 common utilities to mount and interact with a ceph storage cluster ii ceph-mds 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 metadata server for the ceph distributed file system ii ceph-mgr 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 manager for the ceph distributed file system ii ceph-mgr-modules-core 15.2.8-0ubuntu0.20.04.1~cloud0 all ceph manager modules which are always enabled ii ceph-mon 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 monitor server for the ceph storage system ii ceph-osd 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 OSD server for the ceph storage system ii libcephfs2 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 Ceph distributed file system client library ii python3-ceph-argparse 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 Python 3 utility libraries for Ceph CLI ii python3-ceph-common 15.2.8-0ubuntu0.20.04.1~cloud0 all Python 3 utility libraries for Ceph ii python3-cephfs 15.2.8-0ubuntu0.20.04.1~cloud0 amd64 Python 3 libraries for the Ceph libcephfs library ceph versions { "mon": { "ceph version 15.2.8 (bdf3eebcd22d7d0b3dd4d5501bee5bac354d5b55) octopus (stable)": 1 }, "mgr": { "ceph version 15.2.8 (bdf3eebcd22d7d0b3dd4d5501bee5bac354d5b55) octopus (stable)": 1 }, "osd": { "ceph version 15.2.8 (bdf3eebcd22d7d0b3dd4d5501bee5bac354d5b55) octopus (stable)": 3 }, "mds": {}, "overall": { "ceph version 15.2.8 (bdf3eebcd22d7d0b3dd4d5501bee5bac354d5b55) octopus (stable)": 5 } }